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CoStar Group

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Employees 1001-5000
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FY2009 Annual Report · CoStar Group
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FUel FoR 
CoMMeRCIal 
Real eSTaTe

2009 Annual Report

 
 
 
 
Commercial  real  estate  professionals  are  the  
driving force behind CoStar’s commitment to being 
the complete solution for information, analytics,  
marketing  and  more.  It  gives  them  more  control  
over the deal. And that, in turn, drives their success.

The DRIvInG 
FoRCe BehInD 
SUCCeSS

CoStar subscribers are always thinking about the 
deal.  So  are  we.  That’s  why  we’re  dedicated  to 
providing  everything  our  subscribers  need  to  go 
after  more  prospects,  find  more  properties  and 
close more deals—faster than the competition.

ALWAYS 
WORKING
IN DEAL-TIME

FINANCIAL 
HIGHLIGHTS

In thousands, except per share data

2005

2006

2007

2008

2009

Operations

Revenues
Net income
Net income per share-diluted
Weighted average outstanding shares-diluted

$134,338
$6,457
$0.34
19,007

$158,889
$12,410
$0.65
19,165

$192,805
$15,951
$0.82
19,404

$212,428
$24,623
$1.26
19,550

$209,659
$18,693
$0.94
19,925

Balance Sheet

Cash, cash equivalents and investments
Total assets
Stockholders’ equity

$134,185
$248,059
$224,796

$158,148
$275,437
$250,110

$187,426
$321,843
$281,805

$224,590
$334,384
$303,421

$255,698
$404,579
$359,006

Five-Year Revenue Growth ($ in millions)

Comparison of Quarterly EBITDA and Net Income ($ in millions)

250

200

150

100

50

0

'05

'06

'07

'08

'09

20

15

10

5

0

EBITDA

NET INCOME

Q1 2008

Q2 2008

Q3 2008

Q4 2008 

Q1 2009

Q2 2009

Q3 2009

Q4 2009

Reconciliation of Quarterly EBITDA with 2008-2009 Quarterly Net Income ($ in millions)

2008

2009

Q1  

Q2  

Q3  

Q4  

Q1  

Q2  

Q3  

Q4 

Net income 

$5.0  

 $5.4  

 $6.6  

 $7.5  

 $6.1  

 $4.6 

 $4.3 

 $3.6  

Purchase amortization 

 1.8  

 1.9  

 1.8  

 1.7  

Depreciation and other amortization 

2.5  

 2.5  

 2.4  

 2.3  

 1.4  

 2.2  

 1.2  

 1.5  

 2.2  

 2.1  

 1.6 

 2.3 

Interest income, net 

 (1.9) 

 (1.3) 

 (0.9) 

 (0.8) 

 (0.4) 

 (0.3) 

 (0.2) 

 (0.2)

Income tax expense, net 

 4.1  

 4.3  

 5.6  

 6.0  

 5.1  

 3.9  

 2.9  

 2.6 

EBITDA 

 $11.5  

 $12.8  

 $15.5  

 $16.7  

 $14.4  

 $11.6  

 $10.6  

 $9.9 

 
“ 

CoStar has experienced tremendous  

growth over the past 20-plus years to become 

the industry standard for commercial real 

estate information. While we have come 

far and enjoyed much success, I see great 

opportunity in an improving economic 

environment to add new clients and expand 

our business in key areas to generate 

consistently higher revenue and achieve 
higher, organic earnings growth.”

CoStar Group CEO Andrew C. Florance standing in front of the unique 
visual installation at CoStar headquarters. This display captures the 
hundreds  of  thousands  of  listing  updates,  reported  lease  and  sales 
transactions, and property searches taking place in CoStar’s compre-
hensive  database  of  commercial  real  estate  information  every  day, 
and displaying it as it happens.

In  2009,  CoStar  Group  performed  exceptionally 
well under what can only be described as very challenging 
circumstances.  The  company  demonstrated  the  absolute 
strength and resilience of our business model and the value 
of  our  comprehensive,  proprietary  database  by  generating 
consistently high revenue and strengthening the company’s 
balance  sheet  throughout  the  year.  We  also  continued  to 
take advantage of our strong financial position to invest in a 
number of growth opportunities that we expect will expand 
our industry-leading market position and build shareholder 
value over the long term.

Among  the  most  significant  of  the  investments  we  made 
in  2009  were  the  acquisitions  of  Property  and  Portfolio 
Research,  Inc.  (PPR)  and  Resolve  Technology,  Inc.  Both 
expand  CoStar’s  presence  in  the  finance  and  investment 
information  
segments  of  the  commercial  real  estate 
for  
market,  offering  additional,  value-added  options 
accessing  and  analyzing  the  commercial  real  estate 
information CoStar provides.  

The global economy appears to be beginning to emerge from 
the recent prolonged downturn. We believe there will be a 
significant opportunity as the economy and market conditions 
improve to capitalize on our existing research assets and the 
investments we have made.  We intend to keep CoStar at the 
forefront  of  this  opportunity  and  position  the  company  for 
additional high-margin revenue growth.  

Our  products  and  services  continue  to  serve  as  an 
indispensable resource for our subscribers. As a result, our 
core  business  continued  to  perform  well  throughout  the 
year, adding $31.1 million in cash to our balance sheet. At 
the end of 2009, the company had a total of $255.7 million 
in cash, cash equivalents and investments on hand, and no 
long-term debt obligations. 

As  signs  of  economic  recovery  began  to  emerge  over  the 
second  half  of  the  year,  we  saw  a  significant  improvement 
in  our  business,  including  a  strong  increase  in  net  new 
subscribers  and  customer  renewal  rates,  an  increase  in 
average  contract  value  and,  most  importantly,  a  return  to 
positive quarterly net sales growth in the fourth quarter.

These  improvements,  combined  with  continued  successful 
integration  of  our  recent  acquisitions  of  PPR  and  Resolve  
and  disciplined  operating  performance  across  our  entire 
organization,  resulted  in  a  record  amount  of  quarterly 
revenue in the fourth quarter of 2009 totaling $54.6 million. 
This  exceeds  the  previous  quarterly  revenue  high-water 
mark for the company of $53.8 million achieved in the third 
quarter of 2008. I believe the fact that our company continued 
to generate earnings, attract new subscribers and achieve 
high renewal rates through a period when many of our clients 
endured extreme economic duress is a further testament to 
the exceptional value of our products and services.

Throughout  the  year,  CoStar  Group  continued  to  balance 
investments  with  earnings,  generating  $18.7  million 
in  earnings  on  $209.7  million  in  revenue  in  2009.  We 
delivered  solid  earnings  even  after  making  investments 
throughout the year, including growing our sales force and 
research  organization,  rolling  out  the  highly  successful  
Showcase.com  service,  and  expanding  our  investment 
product  platform  through  the  strategic  acquisitions  of 
PPR and Resolve Technology. Together with the sequential 
quarterly improvement in our business over the second half 
of 2009, we believe the company enjoys a very strong financial 
position  and  remains  well  positioned  to  take  advantage  of 
developing market opportunities.

DEMAND FOR COSTAR’S INFORMATION FUELS SUBSCRIBER SITE GROWTH

Subscriber Sites

18,000

16,000

14,000

12,000

10,000

8,000

6,000

4,000

2,000

0

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

Growth In Total CoStar Group Subscriber Sites Per Year

Throughout the United States and United Kingdom, an entire  
industry has coalesced around CoStar as its primary information source.  
The total number of CoStar subscription client sites nearly doubled over the 
past five years and totaled more than 16,000 at the end of 2009.

During the year, CoStar Group’s financial performance was 
recognized  by  Forbes  magazine,  which  named  CoStar  one 
of “America’s 200 Best Small Companies” in its November 
2,  2009  issue.  In  an  accompanying  article  entitled  Small-
Cap Gems, our company was highlighted as an example of 
a company with a strong balance sheet and market position 
that  had  managed  to  thrive  despite  difficult  economic 
conditions. 

Forbes based its rankings on earnings growth, sales growth 
and return on equity in the past 12 months and over a five-
year period. It reported that CoStar Group’s sales grew 18%, 
earnings per share rose 110% and return on equity increased 
7% on average during the five-year period it analyzed. 

All  of  us  at  CoStar  were  certainly  gratified  by  this  presti-
gious recognition. For shareholders, I believe this indepen-
dent  assessment  also  validates  the  growth  strategy  we’ve 
pursued over the past two decades to assemble the largest 
aggregation of commercial property information within a re-
search database system anywhere in the world. The amount 
and detail of information in our database, and the fact that  
it  is  continuously  updated  through  our  proactive,  ongoing  
research, offers tremendous value for our subscribers.    

With signs of an initial economic recovery at hand, the com-
pany is now focused on leveraging our extensive data, strong 
balance sheet and highly effective sales channel in ways that 
can further enhance the value of our services to subscribers. 
In doing so, we expect to generate significant future revenue 
and deliver long-term value to our shareholders.

Strategic Acquisitions

For more than 20 years, CoStar has focused on expanding 
our research and market coverage to offer the most com-
prehensive  source  of  commercial  real  estate  information 
available  online.  With  our  comprehensive  research  cover-
age largely completed across the U.S., we are increasingly 
focused on opportunistic acquisitions that can help our sub-
scribers do more with the enormous amount of information 
CoStar makes available to them.

With the acquisition of PPR in July 
of  2009,  we  fulfilled  our  goal  of 
acquiring a leading provider of real 
estate analytics, market forecasts 
and credit risk analysis.

PPR’s suite of analytic tools provides strategic, market and 
asset-level  analysis  in  support  of  portfolio  management, 
acquisitions, dispositions and asset management activities. 
Additionally,  PPR  provides  risk  management  analysis, 
including identification of market risks and a framework for 
understanding mortgage credit defaults, produced by a team 
of economists and market analysts.

Acquiring  PPR  provided  CoStar  with  the  expertise  and  ca-
pacity to support our client’s growing demand for premium 
analytic  services,  supported  by  our  detailed  building-lev-
el,  research-verified  information.  The  combination  also 
strengthens PPR’s already successful business by enhanc-
ing its analysis and forecasting capabilities through access 
to  CoStar’s  extensive  research  database  and  making  its  
services available across our much larger customer base.

Recent  events  have  heightened  interest  among  investors, 
lenders, appraisers and government agencies to incorporate 
more accurate forecasts and risk analysis in debt and equity 
investments involving commercial real estate assets. Com-
bining the insight and analysis provided by PPR’s economists 
and analysts with CoStar’s unmatched research capabilities 
enables CoStar to offer what we believe to be the best pos-
sible solution for helping clients better understand risk and 
return in commercial real estate investing. 

With  the  widespread  deterioration  in  asset  values  we’ve 
seen across most commercial property types and markets 
over the past two years, demand for this expert insight and 
analysis among investors and lenders continues to grow and 
makes this combination more compelling than ever.

Following the PPR acquisition, CoStar announced the second 
acquisition  of  the  year,  acquiring  Resolve  in  October  2009. 
Resolve’s  clients  include  some  of  the  leading  real  estate 
advisory and investment management firms, REITs, pension 
funds,  life  insurance  companies,  and  other  institutional 
investors with large commercial real estate holdings in their 
investment portfolios. 

Resolve’s  software  helps  investment  managers  optimize 
performance  and  maximize  investor  returns  in  their  com-
mercial property portfolios. By integrating data from numer-
ous  disconnected  systems  and  spreadsheets  into  a  single 
data  warehouse  or  dashboard,  the  software  automatically 
consolidates historical, budget and pro-forma financial and 
property information, providing greater insight and reporting 
capabilities for investment managers. 

Resolve’s  products  also  tie  together  information  related 
to  assets,  debt  and  partnerships  so  clients  can  quickly 
understand  the  impact  on  performance  and  returns.  The 
software facilitates the analysis of historical and forecasted 
performance of investments and enables ‘what-if’ scenarios 
to  further  refine  investment  strategy  and  optimize  the 
performance of real estate portfolios.

Executing Our Growth Strategy

As  with  PPR,  the  acquisition  of  Resolve  is  consistent  with 
the growth strategy we have pursued to acquire successful 
businesses  that  offer  complementary  capabilities  that  can 
be enhanced through the integration with CoStar’s data. We  
also look for companies capable of achieving stronger revenue 
growth by having their services marketed through CoStar’s 
extensive sales channels to our broader client base.

We  have  already  begun  to  realize  value  from  these 
investments  less  than  one  year  since  acquiring  them. 
Together, PPR and Resolve accounted for approximately $9 
million  of  the  company’s  total  revenue  for  2009.  Not  only 
does this strong performance reflect the solid fundamental 
business of each firm, it also includes the first of many cross-
selling opportunities we expect to pursue. Clients of all three 
firms understand and appreciate the strategic value of these 
acquisitions,  and  are  eagerly  awaiting  new  applications, 
insights  and  tools  we  plan  to  provide  as  a  single,  unified 
source.

We  believe  the  current  environment  provides  an  excellent 
opportunity to continue our growth strategy. And, similar to 
PPR and Resolve, we intend to pursue acquisitions that meet 
our criteria and possess what we believe to be the greatest 
potential for supporting long-term revenue growth. CoStar’s 
strong balance sheet puts us in a very favorable position for 
taking advantage of opportunities that have the potential to 
become major contributors to our future success.

Another cornerstone of our growth strategy can be found in 
supporting the organic growth of new products and services 
that leverage CoStar’s comprehensive data and thousands of 
client relationships. 

RESHApING THE MARKETpLACE

Expert Advice

Interpretive 
Analysis

Market Data

H
T
P
E
D
L
A
C
I
T
Y
L
A
N
A

Client-Supplied 
Portfolio Data

PPR

CoStar Group 

Resolve
GEOGRAPHIC FOCUS

Expert Advice

Interpretive 
Analysis

Market Data

H
T
P
E
D
L
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C
I
T
Y
L
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N
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Client-Supplied 
Portfolio Data

CoStar Group 

GEOGRAPHIC FOCUS

Property-Specific

Sub-Market

Market

Macro

Property-Specific

Sub-Market

Market

Macro

CoStar is reshaping the analytic marketplace for commercial real estate. Through the acquisition of Property and Portfolio Research and Resolve Technology,  
we now offer the most comprehensive coverage of micro and macro information insight. 

 
 
SHOWCASE SUBSCRIBER GROWTH 
MORE THAN DOUBLED IN 2009

Adding Scale to Achieve a  
Sharper Competitive Edge

10,000

8,000

6,000

4,000

Q1 2009

Q2 2009

Q3 2009

Q4 2009

SHOWCASE.COM Subscribers

Our  innovative  Showcase.com  service  experienced  excep-
tional  growth  during  the  year.  In  fact,  the  total  number  of 
Showcase  subscribers  more  than  doubled  during  2009.  At 
year-end,  more  than  8,800  brokers  were  marketing  their 
listings  through  Showcase.com.  Even  more  impressive, 
Showcase.com  continued  to  gain  market  share  and  attract 
subscribers at a time when the number of people paying to use 
competitive services has fallen. 

Following its successful debut and surge in subscriber counts 
in the U.S., Showcase.com became the company’s first inte-
grated  international  software  product  as  we  launched  the  
service in the United Kingdom in the first quarter of 2010. 

We also continue to invest in and roll out enhanced versions  
of  our  subscription  information  products.  These  enhance-
ments provide even more ways to use CoStar’s information 
to analyze trends, identify market risk and forecast future 
investment performance more accurately. 

We believe these and other analytic tools we are bringing to 
the market enhance the value of becoming and remaining a 
CoStar subscriber, support our long-term subscriber growth 
and directly contribute to our high renewal rates.

One  critically  important  but  often  overlooked  area  of  our 
business is the tremendous competitive advantage resulting 
from  CoStar’s  advanced  research  operation.  Our  intensive, 
highly evolved processes produce an unprecedented amount 
of information each and every business day and are directly 
responsible for the quality and scope of the information so 
highly valued by our subscribers. 

By refining our processes over more than 20 years and by 
effectively  using  more  technology  to  extend  our  advantage 
in aggregating mountains of information, CoStar’s ongoing 
research serves to continuously strengthen our competitive 
position, making it extremely difficult to approach the quality 
and scale of information we manage on a daily basis.

In  2009,  CoStar’s  research  team  continued  to  expand  our 
database  to  unprecedented  levels.  Having  already  doubled 
in size over the previous three years, our research database 
added a total of 726,000 gross new listings over the course 
of 2009, providing a wealth of potential revenue-generating 
opportunities for our subscribers. In addition to dominating 
the for-lease market, our for-sale listings included property 
valued at $523 billion in the U.S. at year-end 2009, a distinct 
advantage over the next closest competitor.

Because of the integrated nature of our research, we’re able 
to  monitor  and  track  these  listings,  potentially  resulting 
in  hundreds  of  thousands  of  future  tenants,  comparable 
transactions, renewal dates and effective rents that may be 
added  to  our  database,  further  enhancing  the  value  of  the 
information we offer. 

CoStar’s research operation actively collects these interre-
lated pieces of information in the course of conducting more 
than  three  million  telephone  interviews  and  driving  more 
than one million miles canvassing markets each year, pro-
viding what we believe to be by far the most complete picture 
of activity in the market. 

 
 
A CLEAR AND DISTINCT ADvANTAGE

Millions
4.0

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

Growth In The Total Number Of  Properties In CoStar’s Database (In Millions) Per Year

Our business is information. More information means more opportunity  
for our subscribers. And with more than 3.6 million properties in our  
database, no one offers more research-verified information on commercial 
real estate than CoStar. Our success is due to the constant innovation  
we bring to our research, and our unique ability to provide the tools and 
information resources commercial real estate professionals need to  
compete in an ever-changing marketplace.

As  much  as  this  growth  speaks  to  the  strength  of  our 
research processes and the value we provide our customers 
today, it is just as much about the continued value we expect 
to provide CoStar subscribers tomorrow as we position our 
information to become the primary source of accurate and 
complete analytics for commercial real estate.

positioned for  
Accelerated Growth

With  signs  of  a  strengthening  economy  and  the  positive 
trends in our business at the end of 2009, I believe we have 
turned the corner in this business cycle. While we fully ap-
preciate the challenges our business and the overall econo-
my face, we are also confident of the heightened prospects 
for our business in 2010 and beyond.  

Our  confidence  is  based  on  the  underlying  strength  of 
our  business  model,  our  strong  financial  position  and  the 
opportunities created by the investments we made in 2009. 
In the coming months, we plan to leverage these strengths 
to  meet  the  challenges  of  today’s  market  to  generate 
consistently  higher  revenue  and  achieve  higher,  organic 
earnings growth.

CoStar has experienced tremendous growth over the past 20-
plus years to become the industry standard for commercial 
real estate information. While we have come far and enjoyed 
much  success,  I  believe  we  are  still  in  the  early  stages  of 
penetrating  the  total  market  potential  for  our  industry  in 
the U.S. and Europe. I see great opportunity in an improving 
economic  environment  to  add  new  clients  and  expand  our 
business in key areas, such as those presented by PPR and 
Resolve,  while  leveraging  the  relatively  fixed  costs  of  our 
research across multiple markets. 

While  the  global  economy  has  been  on  ‘pause’  for  much 
of  2008  and  2009,  we  took  the  opportunity  ahead  of  the 
expected recovery to invest in and expand our business on 
a number of fronts. We grew and top-graded our sales force 
and added staff to our research team to ensure the quality 
of our data. We invested in growing the subscriber base of 
the  successful  new  Showcase.com  product.  We  acquired 
and are integrating PPR’s advanced analytic and forecasting 
capabilities  and  Resolve  Technology’s  advanced  software 
with CoStar’s extensive information database.

If our experience emerging from previous downturns over the 
past two decades is any indication, we expect the investments 
we  have  made  in  preparation  for  the  recovery  will  provide 
shareholders  with  substantial  returns  as  the  economy 
strengthens. Our information plays a crucial role for those 
engaged  in  the  business  of  marketing,  leasing,  analyzing, 
valuing, buying and selling commercial real estate. As that 
activity once again returns to the market, we expect demand 
for CoStar’s information, marketing and analytic services to 
increase as well, supporting sustained, high-margin growth 
in our business.

Andrew C. Florance
Chief Executive Officer
CoStar Group

 
Q&A

ANDREW C. FLORANCE

Chief Executive Officer
CoStar Group

CoStar  Group  made  a  number  of  strategic  
investments in its business during 2009, perhaps 
none more significant than the acquisitions 
of  Property  and  Portfolio  Research  (PPR),  a  
leading provider of real estate analytics, market 
forecasts and credit risk analysis, and Resolve 
Technology,  whose  software  enables  invest-
ment managers to optimize performance and 
maximize investor returns in their commercial 
property  portfolios.  On  the  following  pages, 
CoStar Group CEO Andrew Florance outlines 
how the two acquisitions fit into the company’s 
growth strategy and discusses the impact both 
are expected to have on CoStar’s platform.

Acquisitions have been a key part of CoStar’s 
growth strategy. What is the current acquisition 
strategy and what types of companies are you 
focused on acquiring? 

integrated 

Acquisitions  are  a  fundamental  part  of  our  overall  
growth  strategy  to  expand  our  business  across  different 
product lines, markets and business segments within the 
commercial real estate industry, with a focus on building 
and  growing 
information,  marketing  and 
analytic  services.  Once  we  acquire  companies,  we  seek 
to  use  our  competitive  advantages  to  create  long-term  
value. This includes applying CoStar’s subscription-based 
business  model,  providing  access  to  our  comprehensive 
research  database,  and  integrating  the  new  product  or  
service  across  CoStar’s  extensive  sales  channel  and 
technology  platform  to  grow  revenue  and 
increase 
profitability.  At  the  same  time,  we’re  able  to  draw 
on  the  capabilities  of  the  acquired  companies  to 
help  us  penetrate  and  grow  market  share  in  new  

segments  and 
industry  classes.  In  the  coming  
years,  we  plan  to  integrate  PPR  and  Resolve  Technology  
into our business, using these strategies to increase their 
respective profitability and drive CoStar’s growth.

We  plan  to  continue  to  identify  attractive  acquisition 
targets  that  meet  our  criteria.  The  current  economic 
environment has generated a greater number of acquisition  
opportunities  at  a  more  reasonable  valuation  than  we 
have  seen  in  the  past,  and  we  believe  CoStar  is  well 
positioned, financially and operationally, to take advantage 
of  opportunities  as  they  present  themselves.  Similar  to 
PPR and Resolve, we intend to pursue firms that meet our 
criteria  and  possess  what  we  believe  to  be  the  greatest 
potential for supporting our long-term revenue growth.

How do the acquisitions of PPR and Resolve  
Technology fit into CoStar’s growth strategy?

Much of our focus in the past has been on expanding our 
geographic  coverage  and  incorporating  new  property 
types  in  order  to  increase  the  size  of  our  database.  Now 
that  we  have  firmly  established  this  unparalleled  data 
resource,  our  acquisition  strategy  is  focused  on  making 
highly  leveraged  investments  against  this  core  asset, 
adding products and services that offer more ways to use 
and  analyze  the  information  in  our  database  and  create 
more  value  for  our  clients.  In  the  case  of  PPR,  we  have  
a  team  of  highly  capable  and  respected  economists 
providing  applied  research  in  commercial  real  estate,  
acting in a strategic advisory capacity for clients with real 
estate  equity  and  debt  investments.  Providing  access  to 
the  industry’s  most  comprehensive  information  source  
enhances  PPR’s  financial  modeling  and  forecasting 
abilities,  and  enables  them  to  extend  their  expert  
analysis across more markets and expand their consulting 
practice.  Also,  as  part  of  CoStar,  we  can  efficiently 
offer  PPR’s  expertise  through  our  sales  channel  to  the  
approximately  1,000  firms  that  fit  the  client  profile  for 

PPR’s services, significantly scaling up from the number 
of clients they serve.

Similarly,  Resolve  also  offers  new  ways  to  leverage  our 
information.  Today,  clients  can  use  Resolve’s  software  to 
aggregate  their  internal  information  from  a  wide  variety  
of  different  repositories  --  accounting  systems,  property 
management  systems,  a  discounted  cash-flow  system, 
partnership  structure  systems  --  and  aggregate  all  that 
information into a single, unified data warehouse. Our goal 
is  to  integrate  CoStar’s  information  with  Resolve’s  soft-
ware,  enabling  clients  to  utilize  CoStar’s  comprehensive 
building and tenant data and PPR’s market research when 
analyzing  their  specific  portfolio  or  investment  situation. 
Imagine the additional insight and value from being able to 
incorporate all the information we have on their buildings, 
on  their  markets,  and  on  competitive  properties  in  their 
internal portfolio analysis.

What impact will these acquisitions have  
on the potential market for CoStar’s information?

Ten  years  ago,  CoStar  was  focused  almost  entirely  on 
the  commercial  real  estate  brokerage  market.  At  that 
time,  approximately  80%  of  our  revenue  was  derived 
from  brokerage  firms.  That  market  segment  is  still  very 
important  to  our  business,  but  today  it  accounts  for 
less  than  50%  of  our  total  revenue.  Having  successfully 
expanded our research and diversified our client base, we 
now  serve  a  much  larger  and  broader  potential  market 
for commercial real estate information, including lenders, 
appraisers, 
investment  
advisors,  government  agencies,  property  owners  and  
many  more.  PPR’s  consulting  expertise  and  Resolve’s 
specialized  software  enable  us  to  make  our  solutions 
much more relevant to those with debt, equity or ownership 
interests  in  commercial  property  assets,  as  well  as 
government  agencies,  advisors  and  service  providers. 
We  believe  we  can  further  diversify  our  client  base  and 
significantly  increase  our  market  penetration  among 

investors,  REITs, 

institutional 

the  property  ownership  and  lending  segments  through  
these acquisitions.

Our  investments  in  PPR  and  Resolve  also  enable  us 
to  drive  additional  demand  and 
leverage  revenue 
across  all  our  markets.  When  we  invest  in  opening  a 
specific  market  such  as  Richmond,  Virginia;  Spokane, 
Washington;  or  Bristol,  England,  the  majority  of  revenue 
we  generate  from  that  investment  most  likely  comes 
from  subscribers  located  in  that  market,  or  from  those 
who  have  an  invested  interest  in  commercial  property 
there.  When  we  invest  in  companies  like  Resolve  and 
PPR, we can generate revenue and value across our entire 
platform,  in  the  U.S.,  in  Europe,  and  elsewhere.  With 
these investments, we can leverage our entire platform to 
offer value to large numbers of our clients, regardless of  
their location.

How has CoStar been able to continue to generate 
strong revenue in such a challenging economic 
environment?

The severity of the downturn has had a very adverse effect 
on many of our clients. Fortunately, they continue to turn 
to  CoStar’s  products  as  an  indispensable  resource  that 
directly supports their ability to complete transactions and 
generate  revenue.  In  terms  of  productivity,  we  estimate 
that using our service can free up hundreds of hours per 
year that can be devoted to closing transactions, advising 
clients  and  other  revenue-generating  activities.  Demand 
for  CoStar’s  information  among  certain  businesses  has 
actually  increased  during  this  downturn.  For  example, 
certain  investment  funds  are  interested  in  researching 
the  market  and  analyzing  the  potential  for  opportunistic 
investment  in  distressed  property.  Federal,  state  and  
local government regulatory agencies required to monitor 
market conditions have become clients or expanded their 
subscriptions, as have accounting and other firms involved 
in  tax  appeal  work  resulting  from  the  steep  decline  in 
property values. Demand for CoStar’s high quality research 

and information is very durable, and not nearly as volatile 
as fluctuations in the commercial real estate market.

Also  we’re  seeing  a  great  deal  of  interest  from  those 
who may not have placed much value in gaining a better 
understanding  of  risk  in  investment  and  debt  portfolios 
in the past but now have a changed perception regarding 
commercial  real  estate.  Where  they  now  perceive 
volatility and risk, they want more information on what is 
happening in their markets and in their portfolios. With the 
reintroduction of negative cycles in real estate investment, 
we’re  finding  many  new  customers  for  our  information, 
and  we  believe  having  PPR  and  Resolve  will  further 
advance  CoStar’s  business  in  this  area.  Finally,  having 
largely completed the geographic coverage of the U.S. in 
our research database, we believe these investments are 
poised to deliver high margin earnings from additional 
incremental revenue.

ABOUT 
COSTAR

Standing from Left to Right: Frank Simuro, Craig Gomez, 
Andrew  Florance,  John  Stanfill,  Frank  Carchedi.  Seated 
Left  to  Right:  Daniel  Kimball,  Susan  Jeffress,  Jonathan 
Coleman, Brian Radecki, Jennifer Kitchen, Dean Violagis.

SHAREHOLDER INFORMATION

Stock Listing:

Symbol: CSGP, NASDAQ Listed

Transfer Agent and Registrar:

American Stock Transfer & Trust Co.

59 Maiden Lane

New York, NY 10038

Independent Auditors:

Ernst & Young LLP

8484 Westpark Drive

McLean, VA 22102

 CORpORATE INFORMATION

Corporate Office:

CoStar Group, Inc.

1331 L Street, NW

Washington, DC 20005

Investor Relations:

Brian J. Radecki 

Chief Financial Officer

(301) 664-9132

Timothy J. Trainor

Communications Director

(301) 280-7695

CoStar Group, Inc. (Nasdaq: CSGP) is the number one provider of information, 
marketing  and  analytic  services  to  commercial  real  estate  professionals  in 
the  United  States  and  the  United  Kingdom.  CoStar’s  suite  of  services  offers 
customers  access  via  the  Internet  to  the  most  comprehensive  database  of 
commercial  real  estate  information  throughout  the  U.S.,  as  well  as  in  the 
United  Kingdom  and  France.  Headquartered  in  Washington  DC,  CoStar  has 
approximately  1,400  people  working  for  the  company  worldwide,  including 
the  largest  professional  research  organization  in  the  industry.  For  more 
information, visit http://www.costar.com.

 
 
 
 
 
 
UNITED STATES 
SECURITIES AND EXCHANGE COMMISSION 
Washington, D.C. 20549 

FORM 10-K 

ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF 
THE SECURITIES EXCHANGE ACT OF 1934 

For the fiscal year ended December 31, 2009 

Commission file number 0-24531 

CoStar Group, Inc. 
(Exact name of registrant as specified in its charter) 

Delaware 
(State or other jurisdiction of incorporation or organization) 

52-2091509 
(I.R.S. Employer Identification No.) 

2 Bethesda Metro Center, 10th Floor 
Bethesda, Maryland 20814 
(Address of principal executive offices) (zip code) 

(301) 215-8300 
Registrant’s telephone number, including area code 

Securities registered pursuant to Section 12(b) of the Act: 

Title of Each Class 
Common Stock, $.01 par value 

Name of Each Exchange on Which Registered 
NASDAQ Global Select Market 

Securities registered pursuant to Section 12(g) of the Act: 
None 

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.  Yes   No  

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Exchange Act. Yes    No  

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act 
of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject 
to such filing requirements of the past 90 days. Yes    No  

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data 
File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or 
for such shorter period that registrant was required to submit and post such files.) Yes    No  

Indicate  by  check  mark  if  disclosure  of  delinquent  filers  pursuant  to  Item  405  of  Regulation  S-K  is  not  contained  herein,  and  will  not  be 
contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 
10-K or any amendment to this Form 10-K.     

Indicate  by  check  mark  whether  the  registrant  is  a  large  accelerated  filer,  an  accelerated  filer,  a  non-accelerated  filer,  or  a  smaller  reporting 
company.  See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Securities 
Exchange Act of 1934.  

Large accelerated filer   
Non-accelerated filer   

Accelerated filer   
Smaller reporting company   

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).  Yes   No   

Based  on the  closing  price  of  the  common  stock  on  June  30, 2009  on the  Nasdaq  Stock  Market,  Nasdaq  Global  Select  Market,  the  aggregate 
market value of registrant’s common stock held by non-affiliates of the registrant was approximately $641 million. 

As of February 19, 2010, there were 20,581,462 shares of the registrant’s common stock outstanding. 

DOCUMENTS INCORPORATED BY REFERENCE 
Portions of the registrant’s definitive proxy statement, which is expected to be filed with the Securities and Exchange Commission within 120 

days after the end of the registrant’s fiscal year ended December 31, 2009, are incorporated by reference into Part III of this Report. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PART I 
Item 1. 
Item 1A. 
Item 1B. 
Item 2. 
Item 3. 
Item 4. 

PART II 
Item 5. 

Item 6. 
Item 7. 
Item 7A. 
Item 8. 
Item 9. 
Item 9A. 
Item 9B. 

PART III 
Item 10. 
Item 11. 
Item 12. 

Item 13. 
Item 14. 

PART IV 
Item 15. 

TABLE OF CONTENTS 

Business ............................................................................................................................................  3 
Risk Factors ......................................................................................................................................  15 
Unresolved Staff Comments .............................................................................................................  21 
Properties ..........................................................................................................................................  21 
Legal Proceedings .............................................................................................................................  22 
Submission of Matters to a Vote of Security Holders ......................................................................  22 

Market for the Registrant’s Common Stock, Related Stockholder Matters and Issuer 

Purchases of Equity Securities ......................................................................................................  23 
Selected Consolidated Financial and Operating Data .......................................................................  26 
Management’s Discussion and Analysis of Financial Condition and Results of Operations ...........  27 
Quantitative and Qualitative Disclosures about Market Risk ...........................................................  41 
Financial Statements and Supplementary Data .................................................................................  42 
Changes in and Disagreements with Accountants on Accounting and Financial Disclosure ...........  42 
Controls and Procedures ...................................................................................................................  42 
Other Information .............................................................................................................................  43 

Directors, Executive Officers and Corporate Governance ................................................................  44 
Executive Compensation ..................................................................................................................  44 
Security Ownership of Certain Beneficial Owners and Management and Related 

Stockholder Matters.......................................................................................................................  44 
Certain Relationships and Related Transactions, and Director Independence ..................................  44 
Principal Accountant Fees and Services ...........................................................................................  44 

Exhibits and Financial Statement Schedules ....................................................................................  44 
Signatures .........................................................................................................................................  46 
Index to Exhibits ...............................................................................................................................  47 
Index to Consolidated Financial Statements .....................................................................................  F-1 

2 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Item 1. 

Business  

PART I 

(In  this  report,  the  words  “we,”  “our,”  “us,”  “CoStar”  or  the  “Company”  refer  to  CoStar  Group,  Inc.  and  its 
direct and indirect subsidiaries. This report also refers to our websites, but information contained on those sites is 
not part of this report). 

CoStar Group, Inc., a Delaware corporation, is the number one provider of information, marketing and analytic 
services  to the commercial real estate industry in the United States (“U.S.”) and United Kingdom (“U.K.”) based on 
the fact that we offer the most comprehensive commercial real estate database available, have the largest research 
department in the industry, provide more information, marketing and analytic services than any of our competitors 
and  believe  we  generate  more  revenues  than  any  of  our  competitors.  CoStar’s  integrated  suite  of  services  offers 
customers online access to the most comprehensive database of commercial real estate information, which has been 
researched and verified by our team of researchers, currently covering the U.S., as well as London and other parts of 
the  U.K.  and  parts  of  France.  Prior  to  2007,  CoStar  operated  within  one  segment.  Due  to  the  increased  size, 
complexity and funding requirements associated with our international expansion, in 2007 we began to manage our 
business  geographically  in  two  operating  segments,  with  our  primary  areas  of  measurement  and  decision-making 
being the U.S. and International, which includes the U.K. and France. 

Since  our  founding  in  1987,  CoStar’s  strategy  has  been  to  provide  commercial  real  estate  professionals  with 
critical  knowledge  to  explore  and  complete  transactions,  by  offering  the  most  comprehensive,  timely  and 
standardized  information  on  U.S.  commercial  real  estate.  As  a  result  of  our  January  2003  acquisition  of  Focus 
Information  Limited (now, CoStar U.K. Limited), June 2004 acquisition of Scottish Property Network, December 
2006 acquisition of Grecam S.A.S., February 2007 acquisition of Property Investment Exchange Limited, and July 
2009 acquisition of Property and Portfolio Research, Inc. (“PPR”) and its wholly owned U.K. subsidiary, Property 
and Portfolio Research Ltd. (“PPR UK”) we have extended our offering of comprehensive commercial real estate 
information to include London and other parts of the U.K. and parts of France.  Information about CoStar’s revenues 
from, and long-lived assets located in, foreign countries is included in Notes 2 and 12 to our consolidated financial 
statements. CoStar’s revenues, net income, assets and liabilities, broken out by segment are set forth in Note 12 to 
our  consolidated  financial  statements.    Information  about  risks  attendant  to  our  foreign  operations  is  included  in 
“Item 7A. Quantitative and Qualitative Disclosures about Market Risk.”   

We deliver our content to our U.S. customers primarily via an integrated suite of online service offerings that 
includes information about space available for lease, comparable sales information, tenant information, information 
about properties for sale, internet marketing services, property information for clients’ websites, information about 
industry  professionals  and  their  business  relationships,  analytic  information,  data  integration,  and  industry  news.  
We also provide market research and analysis for commercial real estate investors and lenders via our PPR service 
offerings.  We  have  created  and  are  continually  improving  a  standardized  information  platform  where  the 
commercial real estate industry and related businesses can continuously interact and easily facilitate transactions due 
to the efficient exchange of accurate information we have supplied. 

We have a number of assets that provide a unique foundation for our standardized platform, including the most 
comprehensive proprietary database in the industry; the largest research department in the industry; proprietary data 
collection,  information  management  and  quality  control  systems;  a  large  in-house  product  development  team;  a 
broad suite of web-based information, marketing and analytic services; a large team of analysts and economists and 
a  large  base  of  clients.  Our  database  has  been  developed  and  enhanced  for  more  than  22  years  by  a  research 
department that makes thousands of daily database updates. In addition to our internal efforts to grow the database, 
we have obtained and assimilated over 51 proprietary databases.   

We intend to continue to grow our standardized platform of commercial real estate information, marketing and 
analytic services.  In 2004, we began research for a 21-market U.S. expansion effort.  By the end of the first quarter 
of 2006, we had successfully launched service in each of those 21 markets.  In addition, following our acquisition of 
National Research Bureau in  January 2005, we launched various research initiatives as  part of our expansion into 
real estate information for retail properties.  We launched the new retail component of our flagship product, CoStar 
Property Professional, in May 2006.  In July 2006,  we announced our  intention to commence actively researching 

3 

 
 
 
 
 
 
 
commercial properties in approximately 81 new Core Based Statistical Areas (“CBSAs”) across the U.S. in an effort 
to expand the geographical coverage of our service offerings, including our new retail service. In the fourth quarter 
of 2007, we released our CoStar Property Professional service in the 81 new CBSAs across the U.S.  In 2008,  we 
released  CoStar  Showcase,  an  internet  marketing  service  that  provides  commercial  real  estate  professionals  the 
opportunity to make their listings accessible to all visitors to our public website, www.CoStar.com.  

During  the  second  half  of  2009,  as  part  of  our  strategy  for  providing  subscribers  with  tools  for  conducting 
primary research and analysis on commercial real estate, we expanded subscribers’ capabilities to use our database 
of  research-verified  commercial  property  information  to  conduct  in-depth  analysis  and  generate  online  reports  of 
trends in sales and leasing activity.  Furthermore, in July 2009, we added analytic and market forecasting services to 
our  platform  of  research  and  marketing  services  with  our  acquisition  of  PPR  and  in  October  2009  we  acquired 
Resolve Technology, Inc., (“Resolve Technology”) adding business intelligence and portfolio management software 
used by institutional real estate investment companies.  

We also intend to continue to grow and expand the coverage of our service offerings within our International 
segment.    In  December  2006,  our  U.K.  subsidiary,  CoStar  Limited,  acquired  Grecam  S.A.S.,  a  provider  of 
commercial property information and market-level surveys, studies and consulting services, located in Paris, France.  
In February 2007, CoStar Limited also acquired Property Investment Exchange Limited, a provider of commercial 
property information and operator of an online investment property exchange located in London, England.  Our July 
2009 acquisition of PPR and PPR UK also expanded the market research capabilities of our U.K. operations.  CoStar 
intends to integrate its U.K. and French operations more fully with its U.S. operations and eventually to introduce a 
consistent international platform of service offerings.  Further information about CoStar’s acquisitions is included in 
Note 3 to our consolidated financial statements.      

We intend to introduce a consistent worldwide platform of service offerings.  Following our acquisitions of PPR 
and Resolve Technology in 2009, we began integrating their respective product and service offerings with our own, 
including the services we have successfully integrated following our prior acquisitions.  In 2007, we introduced the 
“CoStar  Group”  as  the  brand  encompassing  our  worldwide  operations.    We  believe  that  our  recent  U.S.  and 
International expansion and integration efforts have created a platform for long-term growth. 

Our  subscription-based  information  services,  consisting  primarily  of  CoStar  Property  Professional,  CoStar 
Tenant, CoStar COMPS Professional and FOCUS services, currently generate more than 95% of our total revenues. 
Our contracts for our subscription-based information services typically have a minimum term of one year and renew 
automatically. Upon renewal, subscription contract rates may increase in accordance with contract provisions or as a 
result  of  contract  renegotiations.  To  encourage  clients  to  use  our  services  regularly,  we  generally  charge  a  fixed 
monthly amount for our subscription-based services rather than fees based on actual system usage. Contract rates are 
based  on  the  number  of  sites,  number  of  users,  organization  size,  the  client’s  business  focus,  geography  and  the 
number of services to which a client subscribes. Our subscription clients generally pay contract fees on a monthly 
basis, but in some cases may pay us on a quarterly or annual basis.   

Industry Overview  

The market for commercial real estate information  and analysis is vast based on the variety, volume and value 
of transactions related to commercial real estate. Each transaction has multiple participants and multiple information 
requirements, and in order to facilitate transactions, industry participants must have extensive, accurate and current 
information  and  analysis.  Members  of  the  commercial  real  estate  and  related  business  community  require  daily 
access to current data such as space availability, properties for sale, rental rates, vacancy rates, tenant movements, 
sales comparables, supply, new construction, absorption rates and other important market developments to carry out 
their  businesses  effectively.  Market  research  (including  historical  and  forecast  conditions)  and  applied  analytics 
have also become instrumental to the success of commercial real estate industry participants operating in the current 
economic  environment.  There  is  a  strong  need  for  an  efficient  marketplace,  where  commercial  real  estate 
professionals  can  exchange  information,  evaluate  opportunities  using  standardized  data  and  interpretive  analyses, 
and interact with each other on a continuous basis. 

4 

 
 
 
 
 
 
 
 
A large number of parties involved in the commercial real estate and related business community make use of 

the services we provide in order to obtain information they need to conduct their businesses, including: 

Sales and leasing brokers 
Property owners 
Property managers 

• 
• 
• 
•  Design and construction professionals 
•  Real estate developers 
•  Real estate investment trust managers 
• 
Investment bankers 
•  Commercial bankers 
•  Mortgage bankers 
•  Mortgage brokers 
•  Retailers 

Pension fund managers 

•  Government agencies 
•  Mortgage-backed security issuers 
•  Appraisers 
• 
•  Reporters 
•  Tenant vendors 
•  Building services vendors 
•  Communications providers 
• 
• 
• 

Insurance companies’ managers 
Institutional advisors 
Investors and asset managers 

The commercial real estate and related business community generally has operated in an inefficient marketplace 
because  of  the  fragmented  approach  to  gathering  and  exchanging  information  within  the  marketplace.  Various 
organizations,  including  hundreds  of  brokerage  firms,  directory  publishers  and  local  research  companies,  collect 
data on specific  markets and  develop software to analyze the information they have  independently  gathered. This 
highly fragmented  methodology  has resulted in duplication of effort in the collection and analysis of information, 
excessive  internal  cost  and  the  creation  of  non-standardized  data  containing  varying  degrees  of  accuracy  and 
comprehensiveness, resulting in a formidable information gap. 

The  creation  of  a  standardized  information  platform  for  commercial  real  estate  requires  an  infrastructure 
including a standardized database, accurate and comprehensive research capabilities, experienced analysts, easy to 
use technology and intensive participant interaction. By combining its extensive database, over 975 researchers and 
outside contractors, experienced team of analysts and economists, technological expertise and broad customer base, 
we believe that we have created such a platform. 

The  U.S.  and  global  economies  have  changed  adversely  over  the  past  year  or  more,  and  the  commercial  real 
estate industry has been negatively impacted.  The commercial real estate market has seen a reduction in property 
sales  and  leasing  activity,  lower  absorption  rates,  climbing  vacancy  rates  and  decreases  in  rental  rates  and  sales 
prices.  The full extent of the impact of our current financial crisis is not yet clear.  As our customers continue to 
look  for  ways  to  reduce  spending,  we  may  continue  to  see  reduced  demand  for  our  information,  marketing  and 
analytic services.  However, we believe that even in a weakened economy there is a continuing need for accurate, 
standardized  commercial  real  estate  information,  marketing  and  analytic  services.    We  believe  that  access  to 
continuously  researched  and  verified  commercial  real  estate  information  becomes  even  more  valuable  in  a  down 
market,  as  industry  players  assess  where  market  conditions  are  heading,  how  their  businesses  should  adapt, 
determine what properties are worth, and try to market their properties, among other things.  Moreover, outsourcing 
the labor-intensive task of conducting basic real estate research may result in cost savings for our clients. 

CoStar’s Comprehensive Database  

CoStar has spent more than 22 years building and acquiring a database of commercial real estate information, 
which  includes  information  on  leasing,  sales,  comparable  sales,  tenants,  and  demand  statistics,  as  well  as  digital 
images. 

As of January 29, 2010, our database of real estate information covered the U.S., as well as London, England 

and other parts of the U.K. and parts of France, and contained: 

•  More than 1.4 million sale and lease listings; 
•  Approximately 3.7 million total properties; 
•  Approximately 10.5 billion square feet of sale and lease listings; 
•  Approximately 7.2 million tenants; 
•  Approximately 1.6 million sales transactions valued in the aggregate at approximately $3.4 trillion; 

and 

5 

 
 
 
 
 
 
 
 
 
•  More than 9.5 million digital attachments, including building photographs, aerial photographs, plat 

maps and floor plans. 

This highly complex database is comprised of hundreds of data fields, tracking such categories as: 

Site and zoning information 

•  Location 
• 
•  Building characteristics 
• 
Space availability 
•  Tax assessments 
•  Ownership 
Sales and lease comparables 
• 
• 
Space requirements 
•  Number of retail stores  

For-sale information 
Income and expense histories 

•  Mortgage and deed information 
• 
• 
•  Tenant names 
•  Lease expirations 
•  Contact information 
•  Historical trends 
•  Demographic information 
•  Retail sales per square foot 

CoStar Research 

We  have  developed  a  sophisticated  data  collection  organization  utilizing  a  multi-faceted  research  process.  In 
2009, our full time researchers and contractors drove millions of miles, conducted hundreds of thousands of on-site 
building inspections, and conducted millions of interviews of brokers, owners and tenants. 

Research  Department.  As  of  January  29,  2010,  we  have  approximately  975  commercial  real  estate  research 
professionals and outside contractors performing research.  Our research professionals undergo an extensive training 
program  so  that  we  can  maintain  consistent  research  methods  and  processes  throughout  our  research  department. 
Our  researchers  collect  and  analyze  commercial  real  estate  information  through  millions  of  phone  calls,  e-mails, 
internet updates and faxes each  year, in addition to field inspections, public records review,  news  monitoring and 
direct mail. Each researcher is responsible for maintaining the accuracy and reliability of database information. As 
part  of  their  update  process,  researchers  develop  cooperative  relationships  with  industry  professionals  that  allow 
them to gather useful information. Because of the importance commercial real estate professionals place on our data 
and our prominent position in the industry, many of these professionals routinely take the initiative and proactively 
report available space and transactions to our researchers.   

CoStar has an extensive field research effort that includes physical inspection of properties in order to research 

new markets, find additional inventory, photograph properties and verify existing information.  

CoStar utilizes 146 high-tech field research vehicles in 39 states and the U.K. Of these vehicles, 99 are custom-
designed  energy  efficient  hybrid  cars  that  are  equipped  with  computers,  proprietary  Global  Positioning  System 
tracking  software,  high  resolution  digital  cameras  and  handheld  laser  instruments  to  help  precisely  measure 
buildings,  geo-code  them  and  position  them  on  digital  maps.    Some  of  our  researchers  also  use  custom-designed 
trucks  with  the  same  equipment  as  well  as  pneumatic  masts  that  extend  up  to  an  elevation  of  twenty-five  feet  to 
allow for unobstructed building photographs from “birds-eye” views.  Each CoStar vehicle uses wireless technology 
to  track  and  transmit  field  data.  A  typical  site  inspection  consists  of  photographing  the  building,  measuring  the 
building, geo-coding the building, capturing “For Sale” or “For Lease” sign information, counting parking spaces, 
assessing  property  condition  and  construction,  and  gathering  tenant  information.  Certain  researchers  canvass 
properties, interviewing tenants suite by suite. In addition, many of our field researchers are photographers who take 
photographs of commercial real estate properties to add to CoStar’s database of digital images.   

Data and Image Providers. We license a small portion of our data and images from public record providers and 
third party data sources. Licensing agreements with these entities provide for our use of a variety of commercial real 
estate  information,  including  property  ownership,  tenant  information,  demographic  information,  maps  and  aerial 
photographs,  all  of  which  enhance  various  CoStar  services.  These  license  agreements  generally  grant  us  a  non-
exclusive license to use the data and images in the creation and supplementation of our information, marketing and 
analytic services and include what we believe are standard terms, such as a contract term ranging from one to five 
years, automatic renewal of the contract and fixed periodic license fees or a combination of fixed periodic license 
fees plus additional fees based upon our usage. 

6 

 
 
 
 
 
 
 
 
 
Management  and  Quality  Control  Systems.  Our  research  processes  include  automated  and  non-automated 
controls to ensure the integrity of the data collection process. A large number of automated data quality tests check 
for potential errors, including occupancy date conflicts, available square footage greater than building area, typical 
floor space greater than land area and expired leases. We also  monitor changes to critical fields of information to 
ensure  all  information  is  kept  in  compliance  with  our  standard  definitions  and  methodology.  Our  non-automated 
quality control procedures include: 

• 
• 
• 
• 

calling our information sources on recently updated properties to re-verify information; 
performing periodic research audits and field checks to determine if we correctly canvassed buildings; 
providing training and retraining to our research professionals to ensure accurate data compilation; and 
compiling measurable performance metrics for research teams and managers for feedback on data quality. 

Finally, one of the most important and effective quality control measures we rely on is feedback provided by the 

commercial real estate professionals using our data every day. 

Proprietary Technology 

As of January  29, 2010, CoStar had a staff of  122 product development, database and network professionals.  
CoStar’s information technology professionals focus on developing new services for our customers and delivering 
research automation tools that improve the quality of our data and increase the efficiency of our research analysts.  

Our  information  technology  team  is  responsible  for  developing  and  maintaining  CoStar  products,  including 
CoStar Property Professional, CoStar COMPS, CoStar Tenant, CoStar Showcase, CoStar Commercial MLS, CoStar 
Connect, FOCUS, SPN, Shopproperty,  PPR products and services,  Resolve  Portfolio Maximizer and  Request.  In 
2007, to better support our retail customers, we added significant features to CoStar Property Professional including 
tenant  proximity  and  demographic  search  capability,  mapping  layers,  detailed  retail  tenant  information  and 
demographics.  In 2008, CoStar released CoStar Showcase, an internet marketing service that provides commercial 
real  estate  professionals  the  opportunity  to  make  their  listings  accessible  to  all  visitors  to  our  public  website, 
www.CoStar.com. 

Our information technology team is responsible for developing the infrastructure necessary to support CoStar’s 
business  processes,  our  comprehensive  database  of  commercial  real  estate  information,  marketing  and  analytic 
services  and  our  extensive  image  library.  The  team  implements  technologies  and  systems  that  introduce  efficient 
workflows and controls that increase the production capacity of our research teams and improve the quality of our 
data.  Over the  years, the team  has developed data collection and quality control  mechanisms that  we believe are 
unique to the commercial real estate industry. The team continues to develop and modify our enterprise information 
management  system  that  integrates  CoStar  sales,  research,  field  research,  customer  support  and  accounting 
information.  We use this system to maintain our commercial real estate research information, manage contacts with 
the commercial real estate community, provide research workflow automation and conduct daily automated quality 
assurance  checks.  In  addition,  our  information  technology  team  has  also  developed  fraud-detection  technology  to 
detect and prevent unauthorized access to our services.  

Our  information  technology  professionals  also  maintain  the  servers  and  network  components  necessary  to 
support CoStar services and research systems.  Our encrypted virtual private network provides remote researchers 
and salespeople secure access to CoStar applications and network resources. CoStar maintains a comprehensive data 
protection  policy  that  provides  for  use  of  encrypted  data  fields  and  off-site  storage  of  all  system  backups,  among 
other protective measures.  CoStar’s services are continually monitored in an effort to ensure our customers fast and 
reliable access.   

Services 

Our  suite  of  information,  marketing  and  analytic  services  is  branded  and  marketed  to  our  customers.  Our 
services  are  derived  from  a  database  of  building-specific  information  and  offer  customers  specialized  tools  for 
accessing,  analyzing  and  using  our  information.  Over  time,  we  expect  to  enhance  our  existing  information, 
marketing  and  analytic  services  and  develop  additional  services  that  make  use  of  our  comprehensive  database  to 
meet the needs of our existing customers as well as potential new categories of customers. 

7 

 
 
 
 
 
 
 
 
 
Our various information, marketing and analytic services are described in detail in the following paragraphs as 

of January 29, 2010: 

CoStar Property Professional®   CoStar Property Professional, or “CoStar Property,” is the Company’s flagship 
service. It provides subscribers a comprehensive inventory of office, industrial, retail and multifamily properties and 
land in markets throughout the U.S., including for-lease and for-sale listings, historical data, building photographs, 
maps and floor plans. Commercial real estate professionals use CoStar Property to identify available space for lease, 
evaluate leasing and sale opportunities, value assets and position properties in the marketplace. Our clients also use 
CoStar Property to analyze market conditions by calculating current vacancy rates, absorption rates or average rental 
rates,  and  forecasting  future  trends  based  on  user  selected  variables.  CoStar  Property  provides  subscribers  with 
powerful map-based search capabilities as well as a user controlled, password protected extranet (or electronic “file 
cabinet”) where brokers may share space surveys and transaction-related documents online, in real time, with team 
members. When used together with CoStar Connect, CoStar Property enables subscribers to share space surveys and 
transaction-related  documents  with  their  clients,  accessed  through  their  corporate  website.  CoStar  Property,  along 
with all of CoStar’s other core information, marketing and analytic services, is delivered solely via the internet.   

CoStar  COMPS  Professional®      CoStar  COMPS  Professional,  or  “COMPS  Professional,”  provides 
comprehensive  coverage  of  comparable  sales  information  in  the  U.S.  commercial  real  estate  industry.  It  is  the 
industry’s  most  comprehensive  database  of  comparable  sales  transactions  and  is  designed  for  professionals  who 
need to research property comparables, identify market trends, expedite the appraisal process and support property 
valuations.  COMPS  Professional  offers  subscribers  numerous  fields  of  property  information,  access  to  support 
documents  (e.g.,  deeds  of  trust)  for  new  comparables,  demographics  and  the  ability  to  view  for-sale  properties 
alongside sold properties in three formats – plotted on a map, aerial image or in a table. 

CoStar  Tenant®      CoStar  Tenant  is  a  detailed  online  business-to-business  prospecting  and  analytical  tool 
providing  commercial  real  estate  professionals  with  the  most  comprehensive  commercial  real  estate-related  U.S. 
tenant  information  available.  CoStar  Tenant  profiles  tenants  occupying  space  in  commercial  buildings  across  the 
U.S.  and  provides  updates  on  lease  expirations  -  one  of  the  service’s  key  features  -  as  well  as  occupancy  levels, 
growth rates and numerous other facts. Delivering this information via the internet allows users to target prospective 
clients quickly through a searchable database that identifies only those tenants meeting certain criteria. 

CoStar Showcase®   CoStar Showcase offers commercial real estate professionals a simple way to get their for-
sale and for-lease listings in front of a broad internet audience who search on Google, Yahoo, Bing, Showcase.com 
and Costar.com to find commercial properties.  When customers sign up for CoStar Showcase, their listings become 
accessible to visitors to  Showcase.com and Costar.com, who can search those listings for free.  To drive traffic to 
CoStar  Showcase  subscriber  listings,  CoStar  invests  in  Google,  Yahoo  and  Bing  keyword  based  pay-per-click 
advertising to capture the high volume traffic of users actively searching for commercial properties on those search 
engines.  As part of their CoStar Showcase subscription, subscribers also receive customized  websites  for each of 
their  brokers  that  displays  their  bio,  photo,  contact  information  and  updated  listings  that  they  can  use  to  promote 
their services. CoStar Showcase can be purchased as a firm-wide annual subscription by firms who want all of their 
brokers to be able to access the service, or it can be purchased  by individual brokers  on a  month-to-month basis.  
When individual brokers sign up for CoStar Showcase, they also receive access to CoStar Commercial MLS. 

CoStar Property Express®   CoStar Property Express provides access, via an annual subscription, to a “light” or 
scaled down version of CoStar Property. Commercial real estate professionals use CoStar Property Express to look 
up and search for-lease and for-sale listings in CoStar’s comprehensive national database. CoStar Property Express 
provides base building information, photos, floor plans, maps and a limited number of reports.  

CoStar Listings Express®   CoStar Listings Express provides access via an annual subscription to a listings only 
version of CoStar Property Express.  Commercial real estate professionals use CoStar Listings Express to look up 
and  search  for  lease  and  for  sale  listings  in  CoStar’s  comprehensive  national  database.    CoStar  Listings  Express 
provides base building information, photos, floor plans, maps and a limited number of reports on only properties that 
are either for lease or for sale.  CoStar Listings Express does not provide information on fully leased properties, as 
found in CoStar Property Professional and CoStar Property Express. 

8 

 
 
 
 
 
 
 
CoStar  COMPS  Express®      CoStar  COMPS  Express  provides  users  with  immediate,  subscription  free  access 
with payment by credit card to the CoStar COMPS Professional system on a report-by-report basis. Subscribers also 
use this on-demand service to research comparable sales information outside of their subscription markets. 

CoStar  Connect®      CoStar  Connect  allows  commercial  real  estate  firms  to  license  CoStar’s  technology  and 
information  to  market  their  U.S.  property  listings  on  their  corporate  websites.  Customers  enhance  the  quality  and 
depth  of  their  listing  information  through  access  to  CoStar’s  database  of  content  and  digital  images.  The  service 
automatically  updates  via  the  CoStar  Property  database  and  manages  customers’  online  property  information, 
providing comprehensive listings coverage and significantly reducing the expense of building and maintaining their 
websites’ content and functionality.  

CoStar  Commercial  MLS®      CoStar  Commercial  MLS  is  the  industry’s  most  comprehensive  collection  of 
researched  for  sale  listings.    CoStar  Commercial  MLS  draws  upon  CoStar’s  large  database  of  digital  images  and 
includes  office,  industrial,  multifamily  and  retail  properties,  as  well  as  shopping  centers  and  raw  land.    CoStar 
Commercial  MLS  represents  an  efficient  means  for  sellers  to  market  their  properties  to  a  large  audience  and  for 
buyers to easily identify target properties.   

CoStar  Advertising®      CoStar  Advertising  offers  property  owners  a  highly  targeted  and  cost  effective  way  to 
market  a  space  for  lease  or  a  property  for  sale  directly  to  the  individuals  looking  for  that  type  of  space  through 
interactive  advertising.  Our  advertising  model  is  based  on  varying  levels  of  exposure,  enabling  the  advertiser  to 
target  as  narrowly  or  broadly  as  its  budget  permits.  With  the  CoStar  Advertising  program,  when  the  advertiser’s 
listings appear in a results set, they receive priority positioning and are enhanced to stand out. The advertiser can 
also purchase exposure in additional submarkets, or the entire market area so that this ad will appear even when this 
listing would not be returned in a results set. 

CoStar  Professional  Directory®      CoStar  Professional  Directory,  a  service  available  exclusively  to  CoStar 
Property Professional subscribers, provides detailed contact information for approximately 1.3 million commercial 
real  estate  professionals,  including  specific  information  about  an  individual’s  current  and  prior  activities  such  as 
completed  transactions,  current  landlord  representation  assignments,  sublet  listings,  major  tenants  and  owners 
represented  and  local  and  national  affiliations.    Commercial  real  estate  brokers  can  input  their  biographical 
information and credentials and upload their photo to create personal profiles.  Subscribers use CoStar Professional 
Directory  to  network  with  their  peers,  identify  and  evaluate  potential  business  partners,  and  maintain  accurate 
mailing lists of other industry professionals for their direct mail marketing efforts. 

CoStar  Market  Report™      The  CoStar  Market  Report  provides  in-depth  current  and  historical  analytical 
information covering office, industrial and retail properties across the U.S.  Published quarterly, each market report 
includes  details  such  as  absorption  rates,  vacancy  rates,  rental  rates,  average  sales  prices,  capitalization  rates, 
existing  inventory  and  current  construction  activity.  This  data  is  presented  using  standard  definitions  and 
calculations developed by CoStar, and offers real estate professionals critical and unbiased information necessary to 
make  intelligent  commercial  real  estate  decisions.  CoStar  Market  Reports  are  available  to  CoStar  Property 
Professional subscribers at no additional charge. 

Metropolis™      The  Metropolis  service  is  a  single  interface  that  combines  commercial  real  estate  data  from 
multiple  information  providers  into  a  comprehensive  resource.  The  Metropolis  service  allows  a  user  to  input  a 
property address and then view detailed information on that property from multiple information providers, including 
CoStar services. This  technology offers commercial real estate professionals a simple and convenient  solution  for 
integrating  a  wealth  of  third  party  information  and  proprietary  data,  and  is  currently  available  for  the  Southern 
California markets. 

PPR®   Our subsidiary PPR, and its U.K. subsidiary, PPR UK, offer products and services designed to meet the 
research needs of commercial real estate investors and lenders. PPR covers metropolitan areas throughout the United 
States,  the  U.K.,  Europe,  and  Asia,  with  offerings  including  historical  and  forecast  market  data  and  analysis  by 
market  and  property  type,  and  services  including  access  to  PPR’s  analysts,  economists,  and  strategists  to  develop 
and deliver custom research solutions. 

9 

 
 
 
 
 
 
Resolve  Portfolio  Maximizer®      Resolve  Portfolio  Maximizer  is  an  industry  leading  real  estate  portfolio 
management software solution. Resolve Portfolio Maximizer allows users to model partnership structures, calculate 
waterfall  distributions  and  fees,  model  and  analyze  debt  obligations,  and  create  multiple  “what  if”  scenarios  for 
alternative investment decisions. 

Request™      Request  is  the  first  business  intelligence  software  solution  built  specifically  for  managing 
commercial  real  estate  investments.  Request  helps  users  eliminate  some  of  the  difficulties  of  consolidating  real 
estate  investment  data  from  disparate  sources  and  facilitates  standardization  of  information  presentation  and 
reporting  across  an  organization.  Request  also  provides  a  platform  for  users  to  develop  business  intelligence  and 
reporting capabilities. 

FOCUS™      CoStar’s  U.K.  subsidiary,  CoStar  U.K.  Limited,  offers  several  services;  its  primary  service  is 
FOCUS.  FOCUS  is  a  digital  online  service  offering  information  on  the  U.K.  commercial  real  estate  market.  This 
service seamlessly links data on individual properties and companies across the U.K., including comparable sales, 
available space, requirements, tenants, lease deals, planning information, socio-economics and demographics, credit 
ratings, photos and maps. 

SPN™   SPN provides users online access to a comprehensive database of information for properties located in 

Scotland, including available space, comparable sales and lease deals. 

Propex™      Propex  gives  users  access  to  the  commercial  property  investment  market.  It  is  used  by  U.K. 
investment agencies and professional investors and is a secure online exchange through which investment deals may 
be introduced. It is a primary channel for the distribution of live transaction data and property research data in the 
U.K.  investment  market.    Propex  also  provides  private  investors  with  a  gateway  into  the  commercial  property 
investment market. It is a free-access listing website, which provides details of commercial property investments. It 
is used by U.K. agencies to sell investments suitable for the private investor. 

Shopproperty.co.uk™      Shopproperty  is  a  listing  database  of  available  retail  units  across  the  U.K.  on  a  free-
access website.  Shopproperty.co.uk is the only specialist listing website with fully licensed Goad street-trader plans. 

Grecam™   Our French subsidiary, Grecam S.A.S., provides commercial real estate information throughout the 
Paris region through its Observatoire Immobilier D’ Entreprise (“OIE”) service offering.  The OIE service provides 
commercial property availability and transaction information to its subscribers through both an online service and 
market reports. 

Clients 

We draw clients from across the commercial real estate and related business community. Commercial real estate 
brokers have traditionally formed the largest portion of CoStar clients, however, we also provide services to owners, 
landlords, financial institutions, retailers, vendors, appraisers, investment banks, governmental agencies, and other 
parties involved in commercial real estate. The following  chart lists U.S. and U.K. clients  that are  well  known or 
have the highest annual subscription fees in each of the various categories, each as of January 29, 2010. 

10 

 
 
 
 
 
 
 
 
 
 
Brokers 

Lenders, Investment Bankers 

Institutional Advisors, Asset Managers 

CB Richard Ellis 
CB Richard Ellis — U.K. 
Colliers 
Colliers Conrad Ritblat Erdman — U.K. 
Cushman & Wakefield 
Cushman & Wakefield  — U.K. 
Weichert Commercial Brokerage 
Jones Lang LaSalle 
Jones Lang LaSalle — U.K. 
Grubb & Ellis 
Gerald Eve — U.K. 
Drivers Jonas — U.K. 
Lambert Smith Hampton — U.K. 
Charles Dunn Company, Inc. 
Marcus & Millichap 
Mohr Partners 
Newmark & Company Real Estate 
CRESA Partners 
Studley 
Coldwell Banker Commercial NRT 
UGL Equis 
FirstService Williams 
Cassidy Turley BRE Commercial 
Binswanger 
Re/Max 
Carter  
USI Real Estate Brokerage Services 
DAUM Commercial Real Estate Services   
HFF 
U.S. Equities Realty 
Sperry Van Ness 
DTZ — U.K. 
Savillis Commercial — U.K. 
NB Real Estate — U.K. 
GVA Grimley — U.K. 
Vail Williams — U.K. 

  Deutsche Bank 
  Wells Fargo 
  JP Morgan Chase Bank 
  Key Bank 
  TD Bank 
  Citibank 
  AEGON USA Realty Advisors, Inc. 
  Capmark Financial Group, Inc. 
  East West Bank 
  Q10 Bonneville Mortgage Company 

  BlackRock 
  Prudential  
  Prudential — U.K. 
  Metropolitan Life 

ING Clarion Partners 
  Duke Realty Corporation 
  USAA Real Estate Company 
  NorthMarq Capital 
  AEW Capital Management LP 
  Progressive Casualty Insurance Co. 

Owners, Developers 

Appraisers, Accountants 

  Hines 
  LNR Property Corp 
  Shorenstein Company, LLC 
  Tishman Speyer 
  Manulife Financial 

Industrial Developments International (IDI) 

  Land Securities — U.K. 

Integra 
  Deloitte 
  Marvin F. Poer  
  KPMG 
  GE Capital 
  PGP Valuation 
  Thomson Reuters 

Retailers 

Government Agencies 

  Nationwide Insurance 

In-N-Out Burger 

  Merle Norman Cosmetics, Inc. 
  Massage Envy 
  7-Eleven 
  Dollar General Corporation 
  Walgreens 
  Town Fair Tire 
  Rent-A-Center 
  Spencer Gifts LLC 

  U.S. General Services Administration 
  County of Los Angeles 

Internal Revenue Service 

  City of Chicago 
  Cook County Assessor’s Office 
  U.S. Department of Housing and  

  Urban Development 

  Corporation of London — U.K. 
  Federal Reserve Bank of New York 
  Federal Deposit Insurance Corporation 

REITs  

Simon Property Group, Inc. 
Brandywine Realty Trust 
Brookfield Properties 
Boston Properties  
Liberty Property Trust 
Kimco Realty Corporation 
Vornado Realty Trust 

Property Managers 

  Transwestern Commercial Services 
  Lincoln Property Company 
  PM Realty Group 
  Navisys Group 
  Osprey Management Company 
  Leggat McCall Properties 
  Asset Plus Corporation 

Vendors 

  Turner Construction Company 
  Kastle Systems  
  Comcast Corporation 
  ADT Security 
  Cox Communications, Inc. 
  DirectTV 
  Verizon Communications, Inc. 

11 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
For the years ended December 31, 2007, 2008 and 2009, no single client accounted for more than 5% of our 

revenues.  

Sales and Marketing 

As of January 29, 2010, we had 276 sales, marketing and customer support employees, with the majority of our 
direct  sales  force  located  in  field  sales  offices.  Our  sales  teams  are  primarily  located  in  25  field  sales  offices 
throughout  the  U.S.  and  in  London,  England;  Manchester,  England;  Glasgow,  Scotland  and  Paris,  France.    Our 
inside  sales  team  is  located  in  our  Bethesda,  Maryland  office.  This  team  prospects  for  new  clients  and  performs 
service demonstrations exclusively by telephone and over the internet to support the direct sales force.   

Our  local  offices  typically  serve  as  the  platform  for  our  in-market  sales,  customer  support  and  field  research 
operations for their respective regions. The sales force is responsible for selling to new prospects, training new and 
existing clients, providing ongoing customer support, renewing existing client contracts and identifying cross-selling 
opportunities. In addition, the sales force has primary front line responsibility for customer care. 

Our sales strategy is to aggressively attract new clients, while providing ongoing incentives for existing clients 
to  subscribe  to  additional  services.  We  actively  manage  client  accounts  in  order  to  retain  clients  by  providing 
frequent  service  demonstrations  as  well  as  company-client  contact  and  communication.    We  place  a  premium  on 
training new and existing client personnel on the use of our services so as to promote maximum client utilization and 
satisfaction with our services. Our strategy also involves entering into multi-year, multi-market license agreements 
with our larger clients.   

We  seek  to  make  our  services  essential  to  our  clients’  businesses.  To  encourage  clients  to  use  our  services 
regularly, we generally charge a fixed monthly amount for our subscription-based services rather than fees based on 
actual system usage. Contract rates are generally based on the number of sites, number of users, organization size, 
the  client’s  business  focus,  geography  and  the  number  of  services  to  which  a  client  subscribes.  Our  subscription 
clients generally pay contract fees on a monthly basis, but in some cases may pay us on a quarterly or annual basis.  
In addition, through CoStar COMPS Express, clients can access our database of commercial real estate information 
without a subscription on a pay per use basis. 

Our customer service and support staff is charged with ensuring high client satisfaction by providing ongoing 

customer support.  

Our  primary  marketing  methods  include:  service  demonstrations;  face  to  face  networking;  web-based 
marketing;  direct  marketing;  communication  via  our  corporate  website  and  news  services;  participation  in  trade 
show and industry events; print advertising in trade magazines and other business publications; client referrals; and 
CoStar  Advisor™,  the  Company’s  newsletter,  which  is  distributed  to  our  clients  and  prospects.  Web-based 
marketing and direct marketing are the most cost-effective means for us to find prospective clients. Our web-based 
marketing efforts include paid advertising with major search engines and commercial real estate news sites and our 
direct  marketing  efforts  include  direct  mail,  email  and  telemarketing,  and  make  extensive  use  of  our  unique, 
proprietary  database.  Once  we  have  identified  a  prospective  client,  our  most  effective  sales  method  is  a  service 
demonstration. We use various forms of advertising to build brand identity and reinforce the value and benefits of 
our services. We also sponsor and attend local association activities and events, and attend and/or exhibit at industry 
trade  shows  and  conferences  to  reinforce  our  relationships  with  our  core  user  groups,  including  industry-leading 
events for commercial brokers and retail and financial services institutions. 

In May 2008, we released CoStar Showcase®, an internet marketing service that provides commercial real estate 
professionals the opportunity to make their listings available to all visitors to our public websites, www.CoStar.com 
and  Showcase.com,  and  allows  each  visitor  to  search  those  property  listings  for  free.  CoStar  Showcase  draws 
additional traffic to our website through searches on Google, Yahoo, and Bing. Commercial real estate listings are 
derived  from  our  database and  are researched  and verified  by  CoStar  researchers.   CoStar  Showcase  subscribers 
need  only  designate  their  listings  for  inclusion  in  the  free  property  search  tool.  In  addition,  CoStar  Showcase 
customers who have not subscribed for our other services, serve as leads for additional cross-selling opportunities. 

12 

 
 
 
 
 
 
 
 
Competition 

The market for information, marketing and analytic services generally is competitive and rapidly changing. In 
the  commercial  real  estate  industry,  the  principal  competitive  factors  for  commercial  real  estate  information, 
marketing and analytic services and providers are: 

• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 
• 

quality and depth of the underlying databases;  
ease of use, flexibility, and functionality of the software;  
timeliness of the data;  
breadth of geographic coverage and services offered;  
client service and support;  
perception that the service offered is the industry standard;  
price;  
effectiveness of marketing and sales efforts;  
proprietary nature of methodologies, databases and technical resources; 
vendor reputation;  
brand loyalty among customers; and  
capital resources.  

We compete directly and indirectly for customers with the following categories of companies: 

• 

• 

• 

• 

• 

online  services  or  websites  targeted  to  commercial  real  estate  brokers,  buyers  and  sellers  of  commercial 
real  estate  properties,  insurance  companies,  mortgage  brokers  and  lenders,  such  as  LoopNet,  Inc., 
Cityfeet.com, 
Information  Limited,  officespace.com,  MrOfficeSpace.com, 
TenantWise, Inc., WorkplaceIQ and RealPoint LLC; 

Inc.,  Reed  Business 

publishers  and  distributors  of  information,  marketing  and  analytic  services,  including  regional  providers 
and national print publications, such as Black’s Guide, CBRE Economic Advisors, Marshall & Swift, Yale 
Robbins, Inc., Reis, Inc., Real Capital Analytics, Inc. and The Smith Guide, Inc.; 

locally controlled real estate boards, exchanges or associations sponsoring property listing services and the 
companies  with  whom  they  partner,  such  as  Xceligent,  Catalyst,  the  National  Association  of  Realtors, 
CCIM Institute, Society of Industrial and Office Realtors (SIOR) the Commercial Association of Realtors 
Data Services and the Association of Industrial Realtors (AIR); 

in-house research departments operated by commercial real estate brokers; and 

public record providers.  

As  the  commercial  real  estate  information,  marketing  and  analytic  services  marketplace  develops,  additional 
competitors  (including  companies  which  could  have  greater  access  to  data,  financial,  product  development, 
technical,  analytic  or  marketing  resources  than  we  do)  may  enter  the  market  and  competition  may  intensify.  For 
example,  the  National  Association  of  Realtors  and  Bloomberg  L.P.  have  moved  into  the  commercial  real  estate 
information business and intend to compete with us in the commercial real estate information space.  Similarly, a 
company  like  Google,  which  has  a  far-reaching  web  presence  and  substantial  data  aggregation  capabilities,  could 
easily  enter  the  commercial  real  estate  marketing  arena,  something  Google  has  already  done  with  residential  real 
estate. While we believe that we have successfully differentiated ourselves from existing competitors, competition 
could materially harm our business. 

13 

 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
Proprietary Rights  

To  protect  our  proprietary  rights  in  our  methodologies,  database,  software,  trademarks  and  other  intellectual 

property, we depend upon a combination of: 

• 
• 
• 
• 
• 

trade secret, copyright, trademark, database protection and other laws;  
nondisclosure, noncompetition and other contractual provisions with employees and consultants;  
license agreements with customers;  
patent protection; and  
technical measures.  

We  seek  to  protect  our  software’s  source  code,  our  database  and  our  photography  as  trade  secrets  and  under 
copyright  law.  Although  copyright  registration  is  not  a  prerequisite  for  copyright  protection,  we  have  filed  for 
copyright  registration  for  many  of  our  databases,  photographs,  software  and  other  materials.  Under  current  U.S. 
copyright  law,  the  arrangement  and  selection  of  data  may  be  protected,  but  the  actual  data  itself  may  not  be.  In 
addition, with respect to our U.K. databases, certain database protection laws provide additional protections of these 
databases. We license our services  under license agreements that  grant our clients  non-exclusive, non-transferable 
licenses.  These  agreements  restrict  the  disclosure  and  use  of  our  information  and  prohibit  the  unauthorized 
reproduction or transfer of the information, marketing and analytic services we license. 

We  also  attempt  to  protect  the  secrecy  of  our  proprietary  database,  our  trade  secrets  and  our  proprietary 
information  through  confidentiality  and  noncompetition  agreements  with  our  employees  and  consultants.  Our 
services also include technical measures designed to discourage and detect unauthorized copying of our intellectual 
property.  We  have  established  an  internal  antipiracy  team  that  uses  fraud-detection  technology  to  continually 
monitor our services to detect and prevent unauthorized access, and we actively prosecute individuals and firms that 
engage in this unlawful activity. 

We have filed trademark applications to register trademarks for a variety of names for CoStar services and other 
marks, and have obtained registered trademarks for a variety of our marks, including “CoStar,” “COMPS,” “CoStar 
Property,” “CoStar Tenant,” “CoStar Showcase” and “CoStar Group.” Depending upon the jurisdiction, trademarks 
are generally  valid as long as they are in use and/or their registrations are properly  maintained and they  have  not 
been  found  to  become  generic.    We  consider  our  trademarks  in  the  aggregate  to  constitute  a  valuable  asset.    In 
addition, we have filed several patent applications covering certain of our methodologies and software and currently 
have  one  patent  in  the  U.K.  which  expires  in  2021  covering,  among  other  things,  certain  of  our  field  research 
methodologies, and six patents in the U.S. which expire in 2020, 2021, 2022, 2023 (2 patents) and 2025, covering, 
among  other  things,  critical  elements  of  CoStar’s  proprietary  field  research  technology  and  mapping  tools.    We 
regard  the  rights  under  our  patents  as  valuable  to  our  business  but  do  not  believe  that  our  business  is  materially 
dependent on any single patent.  

Employees 

As  of  January  29,  2010,  we  employed  1,438  employees.  None  of  our  employees  are  represented  by  a  labor 

union. We have experienced no work stoppages. We believe that our employee relations are excellent. 

Available Information 

Our  investor  relations  internet  website  is  http://www.costar.com/investors.aspx.  The  reports  we  file  with  or 
furnish  to  the  Securities  and  Exchange  Commission,  including  our  annual  report,  quarterly  reports  and  current 
reports, are available free of charge on our internet website as soon as reasonably practicable after we electronically 
file such material with, or furnish it to, the Securities and Exchange Commission. You may review and copy any of 
the information we file with the Securities and Exchange Commission at the Commission's Public Reference Room 
at  100  F  Street,  NE,  Washington,  DC  20549.  You  may  obtain  information  regarding  the  operation  of  the  Public 
Reference Room by calling the SEC at 1-800-SEC-0330.  The Securities and Exchange Commission maintains an 
internet site that contains reports, proxy and information statements, and other information regarding issuers that file 
electronically with the Commission at http://www.sec.gov. 

14 

 
 
 
 
 
 
 
 
 
 
Item 1A.  Risk Factors 

Cautionary Statement Concerning Forward-Looking Statements 

We  have  made  forward-looking  statements  in  this  Report  and  make  forward-looking  statements  in  our  press 
releases  and  conference  calls  that  are  subject  to  risks  and  uncertainties.  Forward-looking  statements  include 
information  that  is  not  purely  historic  fact  and  include,  without  limitation,  statements  concerning  our  financial 
outlook for 2010 and beyond, our possible or assumed future results of operations generally, and other statements 
and information regarding assumptions about our revenues, EBITDA, fully diluted net income, taxable income, cash 
flow from operating activities, available cash, operating costs, amortization expense, intangible asset recovery, net 
income per share, diluted net income per share, weighted-average outstanding shares, capital and other expenditures, 
effective  tax  rate,  equity  compensation  charges,  future  taxable  income,  purchase  amortization,  financing  plans, 
geographic  expansion,  acquisitions,  contract  renewal  rate,  capital  structure,  contractual  obligations,  legal 
proceedings and claims, our database, database growth, services and facilities, employee relations, future economic 
performance, our ability to liquidate or realize our long-term investments, management’s plans, goals and objectives 
for future operations, and growth and markets for our stock. Sections of this Report which contain forward-looking 
statements include “Business,” “Risk Factors,” “Properties,” “Legal Proceedings,” “Management’s Discussion and 
Analysis  of  Financial  Condition  and  Results  of  Operations,”  “Quantitative  and  Qualitative  Disclosures  About 
Market Risk,” “Controls and Procedures” and the Financial Statements and related Notes. 

Our  forward-looking  statements  are  also  identified  by  words  such  as  “believes,”  “expects,”  “thinks,” 
“anticipates,”  “intends,”  “estimates”  or  similar  expressions.  You  should  understand  that  these  forward-looking 
statements  are  estimates  reflecting  our  judgment,  beliefs  and  expectations,  not  guarantees  of  future  performance. 
They  are  subject  to  a  number  of  assumptions,  risks  and  uncertainties  that  could  cause  actual  results  to  differ 
materially from those expressed or implied in the forward-looking statements. The following important factors, in 
addition  to  those  discussed  or  referred  to  under  the  heading  “Risk  Factors,”  and  other  unforeseen  events  or 
circumstances,  could  affect  our  future  results  and  could  cause  those  results  or  other  outcomes  to  differ  materially 
from those expressed or implied in our forward-looking statements: general economic conditions; commercial real 
estate market conditions; changes or consolidations within the commercial real estate industry; customer retention; 
our  ability  to  attract  new  clients;  our  ability  to  sell  additional  services  to  existing  clients;  competition;  foreign 
currency fluctuations; our ability to identify, acquire and integrate acquisition candidates; our ability to obtain any 
required financing on favorable terms; global credit market conditions affecting investments; our ability to integrate 
our U.S. and international product offerings; our ability to continue to expand successfully; our ability to effectively 
penetrate the market for retail real estate information and gain acceptance in that market; our ability to control costs; 
litigation;  changes  in  accounting  policies  or  practices;  release  of  new  and  upgraded  services  by  us  or  our 
competitors; data quality; development of our sales force; employee retention; technical problems with our services; 
managerial  execution;  changes  in  relationships  with  real  estate  brokers  and  other  strategic  partners;  legal  and 
regulatory issues; and successful adoption of and training on our services. 

Accordingly, you should not place undue reliance on forward-looking statements, which speak only as of, and 
are based on information available to us on, the date of this Report. All subsequent written and oral forward-looking 
statements  attributable  to  us  or  any  person  acting  on  our  behalf  are  expressly  qualified  in  their  entirety  by  the 
cautionary statements contained or referred to in this section. We do not undertake any obligation to update any such 
statements or release publicly any revisions to these forward-looking statements to reflect events or circumstances 
after the date of this Report or to reflect the occurrence of unanticipated events. 

Risk Factors 

A continuing decline or consolidation in the commercial real estate industry may decrease customer demand 
for  our  services.  A  continuing  decline  in  the  commercial  real  estate  industry’s  leasing  activity,  rental  rates  and 
absorption  rates  or  a  sustained  downturn  in  the  commercial  real  estate  market’s  for  sale  activity  may  continue  to 
hamper  our  ability  to  generate  revenues  and  may  lead  to  more  cancellations  by  our  current  or  future  customers, 
either of which could cause our revenues to decline and reduce our profitability. A depressed commercial real estate 
market  has  a  negative  impact  on  our  core  customer  base,  which  could  decrease  demand  for  our  information, 
marketing  and  analytic  services.  Also,  companies  in  this  industry  are  consolidating,  often  in  order  to  reduce 
expenses.  Consolidation,  or  other  cost-cutting  measures  by  our  customers,  may  lead  to  more  cancellations  of  our 

15 

 
 
 
 
 
 
information, marketing and analytic services by our customers, reduce the number of our existing clients, reduce the 
size of our target market or increase our clients’ bargaining power, all of which could cause our revenues to decline 
and reduce our profitability. 

Negative general economic conditions could increase our expenses and reduce our revenues. Our business and 
the commercial real estate industry are particularly affected by negative trends in the general economy. The success 
of  our  business  depends  on  a  number  of  factors  relating  to  general  global,  national,  regional  and  local  economic 
conditions,  including  perceived  and  actual  economic  conditions,  recessions,  inflation,  deflation,  exchange  rates, 
interest  rates,  taxation  policies,  availability  of  credit,  employment  levels,  and  wage  and  salary  levels.  Negative 
general  economic  conditions  could  continue  to  adversely  affect  our  business  by  reducing  our  revenues  and 
profitability.  Further, continuing bank failures and freezing of the credit markets generally, other adverse national 
and global economic events, as well as any significant terrorist attack, are likely to have a further dampening effect 
on  the  economy  in  general,  which  could  negatively  affect  our  financial  performance  and  our  stock  price.  Market 
disruptions  may  also  contribute  to  extreme  price  and  volume  fluctuations  in  the  stock  market  that  may  affect  our 
stock price for reasons unrelated to our operating performance.  In addition, a significant increase in inflation could 
increase our expenses more rapidly than expected, the effect of which may not be offset by corresponding increases 
in revenue. Conversely, deflation resulting in a decline of prices could reduce our revenues.  In the current economic 
environment, it is difficult to predict whether we will experience significant inflation or deflation in the near future. 
A significant increase in either could have an adverse effect on our results of operations. As a result of the negative 
economic  conditions  that  have  persisted  for  more  than  a  year,  we  have  seen  increased  customer  cancellations, 
reductions  of  services  and  failures  to  timely  pay  amounts  due  to  us.    If  we  continue  to  experience  greater 
cancellations and more reductions of services and failures to timely pay and we do not acquire new clients or sell 
new  services  to  our  existing  clients,  our  revenues  may  decline  and  our  financial  position  would  be  adversely 
affected.  

Our revenues and financial position will be adversely affected if we are not able to attract and retain clients. 
Our success and revenues depend on attracting and retaining subscribers to our information, marketing and analytic 
services.  Our  subscription-based  information,  marketing  and  analytic  services  generate  the  largest  portion  of  our 
revenues. However, we may be unable to attract new clients, and our existing clients may decide not to add, not to 
renew or to cancel subscription services. In addition, in order to increase our revenue, we must continue to attract 
new  customers,  continue  to  keep  our  cancellation  rate  low  and  continue  to  sell  new  services  to  our  existing 
customers. We may not be able to continue to grow our customer base, keep the cancellation rate for customers and 
services low or sell new services to existing customers as a result of several factors, including  without limitation: 
economic pressures, a decision that customers have no need for our services; a decision to use alternative services; 
customers’  and  potential  customers’  pricing  and  budgetary  constraints;  consolidation  in  the  real  estate  and/or 
financial services industries;  data quality; technical problems; or competitive pressures. If clients decide to cancel 
services  or  not  to  renew  their  subscription  agreements,  and  we  do  not  sell  new  services  to  our  existing  clients  or 
attract new clients, then our renewal rate, and revenues may decline. 

If we are unable to hire qualified persons for, or retain and continue to develop, our sales force, or if our sales 
force  is  unproductive,  our  revenues  could  be  adversely  affected.  In  order  to  support  revenues  and  future  revenue 
growth, we need to continue to develop, train and retain our sales force. Our ability to build and develop a strong 
sales  force  may  be  affected  by  a  number  of  factors,  including:  our  ability  to  attract,  integrate  and  motivate  sales 
personnel; our ability to effectively train our sales force; the ability of our sales force to sell an increased number of 
services;  our  ability  to  manage  effectively  an  outbound  telesales  group;  the  length  of  time  it  takes  new  sales 
personnel  to  become  productive;  the  competition  we  face  from  other  companies  in  hiring  and  retaining  sales 
personnel;  and  our  ability  to  effectively  manage  a  multi-location  sales  organization.  If  we  are  unable  to  hire 
qualified sales personnel and develop and retain the members of our sales force, including sales force management, 
or if our sales force is unproductive, our revenues or growth rate could decline and our expenses could increase. 

If we are unable to increase our revenues or our operating costs are higher than expected, our profitability may 
continue to decline and our operating results may fluctuate significantly. We may not be able to accurately forecast 
our  revenues  or  future  revenue  growth  rate.    Many  of  our  expenses,  particularly  personnel  costs  and  occupancy 
costs,  are  relatively  fixed.  As  a  result,  we  may  not  be  able  to  adjust  spending  quickly  enough  to  offset  any 
unexpected  increase  in  expenses  or  revenue  shortfall.  We  may  experience  higher  than  expected  operating  costs, 
including  increased  personnel  costs,  occupancy  costs,  selling  and  marketing  costs,  investments  in  geographic 

16 

 
 
 
 
expansion, acquisition costs, communications costs, travel costs, software development costs, professional fees and 
other costs. If operating costs exceed our expectations and cannot be adjusted accordingly, our profitability may be 
reduced and our results of operations and financial position will be adversely affected.  In 2009, we were unable to 
sustain our historic revenue growth rates, and in fact, our annual revenues declined in 2009 compared to 2008. We 
may not be able to return to our historic revenue growth rates and our revenues may continue to decline.  Our ability 
to  increase  our  revenues  and  operating  profit  will  depend  on  increased  demand  for  our  services.    Our  sales  are 
affected  by,  among  other  things,  general  economic  and  commercial  real  estate  conditions.    Reduced  demand, 
whether due to changes in customer preference, a further weakening of the U.S. or global economy, competition or 
other reasons, may result in decreased revenue and growth, adversely affecting our operating results. 

Competition  could  render  our  services  uncompetitive.  The  market  for  information  systems  and  services  in 
general is highly competitive and rapidly changing.  Competition in this market may increase further as a result of 
current recessionary economic conditions, as customer bases and customer spending decrease and service providers 
are  competing  for  fewer  customer  resources.    Our  existing  competitors,  or  future  competitors,  may  have  greater 
name recognition, larger customer bases, better technology or data, lower prices, easier access to data, greater user 
traffic or greater financial, technical or marketing resources than we have. Our competitors may be able to undertake 
more effective marketing campaigns, obtain more data, adopt more aggressive pricing policies, make more attractive 
offers  to  potential  employees,  subscribers,  distribution  partners  and  content  providers  or  may  be  able  to  respond 
more quickly to new or emerging technologies or changes in user requirements. If we are unable to retain customers 
or  obtain  new  customers,  our  revenues  could  decline.    Increased  competition  could  result  in  lower  revenues  and 
higher expenses, which would reduce our profitability. 

Litigation or government investigations in which we become involved may significantly increase our expenses 
and  adversely  affect  our  stock  price.  Currently  and  from  time  to  time,  we  are  a  party  to  various  lawsuits.  Any 
lawsuits,  threatened  lawsuits  or  government  investigations  in  which  we  are  involved  could  cost  us  a  significant 
amount  of  time  and  money  to  defend,  could  distract  management’s  attention  away  from  operating  our  business, 
could  result  in  negative  publicity,  and  could  adversely  affect  our  stock  price.  In  addition,  if  any  claims  are 
determined  against  us  or  if  a  settlement  requires  us  to  pay  a  large  monetary  amount  or  take  other  action  that 
materially  restricts  or  impedes  our  operations,  our  profitability  could  be  significantly  reduced  and  our  financial 
position could be adversely affected. We cannot  make assurances that  we  will  have any or sufficient insurance to 
cover any litigation claims. 

Fluctuating foreign currencies may negatively impact our business, results of operations and financial position. 
Due  to  our  acquisitions  of  CoStar  U.K.  Limited  (formerly  FOCUS  Information  Limited),  SPN,  Grecam  S.A.S., 
Propex, and Property and Portfolio Research Ltd. a portion of our business is denominated in the British Pound and 
Euro and as a result, fluctuations in foreign currencies may have an impact on our business, results of operations and 
financial  position.    Foreign  currency  exchange  rates  have  fluctuated  and  may  continue  to  fluctuate.    Significant 
foreign currency exchange rate fluctuations may negatively impact our international revenue, which in turn affects 
our consolidated revenue.  Currencies may be affected by internal factors, general economic conditions and external 
developments in other countries, all of which can have an adverse impact on a country’s currency. Currently, we are 
not party to any hedging transactions intended to reduce our exposure to exchange rate fluctuations. We may seek to 
enter into hedging transactions in the future, but we may be unable to enter into these transactions successfully, on 
acceptable terms or at all. We cannot predict whether we will incur foreign exchange losses in the future. Further, 
significant foreign exchange fluctuations resulting in a decline in the British Pound or Euro may decrease the value 
of  our  foreign  assets,  as  well  as  decrease  our  revenues  and  earnings  from  our  foreign  subsidiaries,  which  would 
reduce our profitability and adversely affect our financial position. 

We may be subject to legal liability for collecting, displaying or distributing information. Because the content in 
our database is collected from various sources and distributed to others, we may be subject to claims for breach of 
contract,  defamation,  negligence,  unfair  competition  or  copyright  or  trademark  infringement  or  claims  based  on 
other theories. We could also be subject to claims based upon the content that is accessible from our website through 
links to other websites or information on our website supplied by third parties. Even if these claims do not result in 
liability  to  us,  we  could  incur  significant  costs  in  investigating  and  defending  against  any  claims.  Our  potential 
liability for information distributed by us to others could require us to implement measures to reduce our exposure to 
such liability, which may require us to expend substantial resources and limit the attractiveness of our information, 
marketing and analytic services to users. 

17 

 
 
 
 
An impairment in carrying value of goodwill could negatively impact our consolidated results of operations and 
net  worth.  Goodwill  and  identifiable  intangible  assets  not  subject  to  amortization  are  tested  annually  by  each 
reporting unit on October 1st of each year for impairment and are tested for impairment more frequently based upon 
the  existence  of  one  or  more  indicators.    We  consider  our  operating  segments,  U.S.  and  International,  as  our 
reporting units under Financial Accounting Standards Board (“FASB”) authoritative guidance for consideration of 
potential  impairment  of  goodwill.  We  assess  the  impairment  of  long-lived  assets,  identifiable  intangibles  and 
goodwill whenever events or changes in circumstances indicate that the carrying value may not be recoverable. The 
existence  of  one  or  more  of  the  following  indicators  could  cause  us  to  test  for  impairment  prior  to  the  annual 
assessment.   

•  Significant underperformance relative to historical or projected future operating results;  
•  Significant changes in the manner of our use of acquired assets or the strategy for our overall business; 
•  Significant negative industry or economic trends; or  
•  Significant decline in our market capitalization relative to net book value for a sustained period.  

These types of events or indicators and the resulting impairment analysis could result in goodwill impairment 
charges in the future, which would reduce our profitability. Impairment charges could negatively affect our financial 
results in the periods of such charges, which may reduce our profitability. As of December 31, 2009, we had $80.3 
million of goodwill, $55.2 million in our U.S. segment and $25.1 million in our International segment. 

Our  stock  price  may  be  negatively  affected  by  fluctuations  in  our  financial  results.  Our  operating  results, 
revenues and expenses may fluctuate as a result of changes in general economic conditions and also for many other 
reasons,  many  of  which  are  outside  of  our  control,  such  as:  cancellations  or  non-renewals  of  our  services; 
competition;  our  ability  to  control  expenses;  loss  of  clients  or  revenues;  technical  problems  with  our  services; 
changes  or  consolidation  in  the  real  estate  industry;  our  investments  in  geographic  expansion  and  to  increase 
coverage  in  existing  markets;  interest  rate  fluctuations;  the  timing  and  success  of  new  service  introductions  and 
enhancements;  successful  execution  of  our  expansion  plans;  data  quality;  the  development  of  our  sales  force; 
managerial  execution;  employee  retention;  foreign  currency  and  exchange  rate  fluctuations;  inflation;  successful 
adoption  of  and  training  on  our  services;  litigation;  acquisitions  of  other  companies  or  assets;  sales,  brand 
enhancement  and  marketing  promotional  activities;  client  support  activities;  changes  in  client  budgets;  or  our 
investments  in  other  corporate  resources.  In  addition,  changes  in  accounting  policies  or  practices  may  affect  our 
level of net income. Fluctuations in our financial results, revenues and expenses may cause the market price of our 
common stock to decline. 

Market  volatility  may  have  an  adverse  effect  on  our  stock  price.  The  trading  price  of  our  common  stock  has 
fluctuated widely in the past, and we expect that it will continue to fluctuate in the future. The price could fluctuate 
widely  based  on  numerous  factors,  including:  economic  factors;  quarter-to-quarter  variations  in  our  operating 
results;  changes  in  analysts’  estimates  of  our  earnings;  announcements  by  us  or  our  competitors  of  technological 
innovations  or  new  services;  general  conditions  in  the  commercial  real  estate  industry;  developments  or  disputes 
concerning copyrights or proprietary rights or other legal proceedings; and regulatory developments. In addition, in 
recent  years,  the  stock  market  in  general,  and  the  shares  of  internet-related  and  other  technology  companies  in 
particular,  have  experienced  extreme  price  fluctuations.  This  volatility  has  had  a  substantial  effect  on  the  market 
prices  of  securities  issued  by  many  companies  for  reasons  unrelated  to  the  operating  performance  of  the  specific 
companies and may have the same effect on the market price of our common stock. 

Negative  conditions  in  the  global  credit  markets  may  affect  the  liquidity  of  a  portion  of  our  long-term 
investments.  Currently, our long-term investments include mostly AAA rated auction rate securities (“ARS”), which 
are  primarily  student  loan  securities  supported  by  guarantees  from  the  Federal  Family  Education  Loan  Program 
(“FFELP”) of the U.S. Department of Education. Continuing negative conditions in the global credit markets have 
prevented some investors from liquidating their holdings of auction rate securities because the amount of securities 
submitted for sale  has exceeded the amount of purchase orders for such  securities.  As of December 31,  2009, we 
held  $32.8  million  par  value  of  ARS,  all  of  which  failed  to  settle  at  auctions.  When  an  auction  fails  for  ARS  in 
which we have invested, we may be unable to liquidate some or all of these securities at par. In the event we need or 
desire to immediately access these funds, we will not be able to do so until a future auction on these investments is 
successful, a buyer is found outside the auction process or an alternative action is determined. If a buyer is found but 

18 

 
 
 
 
 
is  unwilling  to  purchase  the  investments  at  par,  we  may  incur  a  loss,  which  would  reduce  our  profitability  and 
adversely affect our financial position. 

Our ARS  investments  are  not  currently  trading  and  therefore  do  not  currently  have  a  readily  determinable 
market value.  Accordingly, the estimated fair value of the ARS no longer approximates par value.  We have used a 
discounted  cash  flow  model  to  determine  the  estimated  fair  value  of  our  investment  in  ARS  as  of  December  31, 
2009.  The assumptions used in preparing the discounted cash flow model include estimates for interest rates, credit 
spreads, timing and amount of cash flows, liquidity risk premiums, expected holding periods and default risk of the 
ARS.  Based on this assessment of fair value, as of December 31, 2009, we determined there was a decline in the 
fair  value  of  our  ARS  investments  of  approximately  $3.0  million.    The  decline  was  deemed  to  be  a  temporary 
impairment and recorded as an unrealized loss in accumulated other comprehensive loss in stockholders’ equity.  If 
the issuers of these ARS are unable to successfully close future auctions and their credit ratings deteriorate, we may 
be  required  to  record  additional  unrealized  losses  in  accumulated  other  comprehensive  loss  or  an  other-than-
temporary impairment charge to earnings on these investments, which would reduce our profitability and adversely 
affect our financial position. 

International  operations  expose  us  to  additional  business  risks,  which  may  reduce  our  profitability.  Our 
international  operations  and  expansion  subject  us  to  additional  business  risks,  including:  currency  exchange  rate 
fluctuations;  adapting  to  the  differing  business  practices  and  laws  in  foreign  countries;  difficulties  in  managing 
foreign  operations;  limited  protection  for  intellectual  property  rights  in  some  countries;  difficulty  in  collecting 
accounts receivable and longer collection periods; costs of enforcing contractual obligations; impact of recessions in 
economies outside the U.S.; and potentially adverse tax consequences. In addition, international expansion imposes 
additional  burdens  on  our  executive  and  administrative  personnel,  systems  development,  research  and  sales 
departments,  and  general  managerial  resources.  If  we  are  not  able  to  manage  our  international  operations 
successfully, we may incur higher expenses and our profitability may be reduced. Finally, the investment required 
for additional international expansion could exceed the profit generated from such expansion, which would reduce 
our profitability and adversely affect our financial position.  

Our  expansion  into  the  commercial  real  estate  analytics  sector  may  not  be  successful  or  may  not  result  in 
increased  revenues,  which  may  negatively  impact  our  business,  results  of  operations  and  financial  position.  
Expanding into the commercial real estate market research and forecasting arena imposes additional burdens on our 
research,  systems  development,  sales,  marketing  and  general  management  resources.    During  2010,  we  expect  to 
continue  to  expand  our  presence  in  the  commercial  real  estate  analytics  sector.    If  we  are  unable  to  manage  this 
expansion effectively or if our costs for this effort exceed our expectations, our financial position could be adversely 
affected.    In  addition,  if  we  incur  additional  costs  to  expand  our  analytics  services  and  we  are  not  successful  in 
marketing  or  selling  these  expanded  services,  our  expansion  may  have  a  material  adverse  effect  on  our  financial 
position by increasing our expenses without increasing our revenues, adversely affecting our profitability. 

If we are unable to enforce or defend our ownership and use of intellectual property, our business, competitive 
position and operating results could be harmed. The success of our business depends in large part on the intellectual 
property involved in our methodologies, database, services and software. We rely on a combination of trade secret, 
patent,  copyright  and  other  laws,  nondisclosure  and  noncompetition  provisions,  license  agreements  and  other 
contractual provisions and technical measures to protect our intellectual property rights. However, current law may 
not provide for adequate protection of our databases and the actual data. In addition, legal standards relating to the 
validity, enforceability and scope of protection of proprietary rights in internet related businesses are uncertain and 
evolving, and  we cannot assure  you of the future viability  or value of any of our proprietary rights. Our business 
could be significantly harmed if we are not able to protect our content and our other intellectual property. The same 
would be true if a court found that our services infringe other persons’ intellectual property rights. Any intellectual 
property lawsuits or threatened lawsuits in which we are involved, either as a plaintiff or as a defendant, could cost 
us  a  significant  amount  of  time  and  money  and  distract  management’s  attention  from  operating  our  business.  In 
addition, if we do not prevail on any intellectual property claims, this could result in a change to our methodology or 
information, marketing and analytic services and could reduce our profitability. 

Our current or future geographic expansion plans may not result in increased revenues, which may negatively 
impact  our  business,  results  of  operations  and  financial  position.  Expanding  into  new  markets  and  investing 
resources towards increasing the depth of our coverage within existing markets imposes additional burdens on our 

19 

 
 
 
 
 
research,  systems  development,  sales,  marketing  and  general  managerial  resources.    During  2010,  we  plan  to 
continue  to  increase  the  depth  of  our  coverage  in  the  U.S.  and  U.K.    If  we  are  unable  to  manage  our  expansion 
efforts  effectively,  if  our  expansion  efforts  take  longer  than  planned  or  if  our  costs  for  these  efforts  exceed  our 
expectations, our financial position could be adversely affected. In addition, if we incur significant costs to improve 
data quality within existing markets, or are not successful in marketing and selling our services in these markets or 
in  new  markets,  our  expansion  may  have  a  material  adverse  effect  on  our  financial  position  by  increasing  our 
expenses without increasing our revenues, adversely affecting our profitability. 

We may not be able to successfully introduce new or upgraded  information, marketing and analytic services, 
which could decrease our revenues and our profitability. Our future business and financial success will depend on 
our  ability  to  continue  to  introduce  new  and  upgraded  services  into  the  marketplace.  To  be  successful,  we  must 
adapt  to  rapid  technological  changes  by  continually  enhancing  our  information,  marketing  and  analytic  services. 
Developing new services and upgrades to services imposes heavy burdens on our systems department, management 
and researchers. This process is costly, and we cannot assure you that we will be able to successfully develop and 
enhance our services. In addition, successfully launching and selling a new service puts pressure on our sales and 
marketing  resources.  If  we  are  unable  to  develop  new  or  upgraded  services,  then  our  customers  may  choose  a 
competitive service over ours and our revenues may decline and our profitability may be reduced. In addition, if we 
incur significant costs in developing new or upgraded services, are not successful in marketing and selling these new 
services or upgrades, or our customers fail to accept these new services, it could have a material adverse effect on 
our results of operations by decreasing our revenues and reducing our profitability. 

Our continuing expansion into the retail real estate sector may not be completed successfully or may not result 
in  increased  revenues,  which  may  negatively  impact  our  business,  results  of  operations  and  financial  position. 
Expanding  into  the  retail  real  estate  sector  imposed  and  continues  to  impose  additional  burdens  on  our  research, 
systems  development,  sales,  marketing  and  general  managerial  resources.  During  the  next  year,  we  expect  to 
continue to expand the number of retail properties contained within our database. If we are unable to manage this 
expansion  effectively,  if  this  expansion  effort  takes  longer  than  planned  or  if  our  costs  for  this  effort  exceed  our 
expectations, our financial position could be adversely affected. In addition, if we incur significant costs to expand 
our retail sector services and we are not successful in marketing and selling these expanded services, or customers 
fail  to  accept  these  new  services,  our  expansion  may  have  a  material  adverse  effect  on  our  financial  position  by 
increasing our expenses without increasing our revenues, adversely affecting our profitability. 

Technical  problems  that  affect  either  our  customers’  ability  to  access  our  services,  or  the  software,  internal 
applications and systems underlying our services, could lead to reduced demand for our information, marketing and 
analytic  services,  lower  revenues  and  increased  costs.  Our  business  increasingly  depends  upon  the  satisfactory 
performance,  reliability  and  availability  of  our  website,  the  internet  and  our  service  providers.  Problems  with  our 
website, the internet or the services provided by our local exchange carriers or internet service providers could result 
in slower connections for our customers or interfere with our customers’ access to our information, marketing and 
analytic  services.  If  we  experience  technical  problems  in  distributing  our  services,  we  could  experience  reduced 
demand  for  our  information,  marketing  and  analytic  services.  In  addition,  the  software,  internal  applications  and 
systems underlying our services are complex and  may not  be efficient or error-free. Our careful development and 
testing may not be sufficient to ensure that we will not encounter technical problems when we attempt to enhance 
our software, internal applications and systems. Any inefficiencies, errors or technical problems with our software, 
internal applications and systems could reduce the quality of our services or interfere with our customers’ access to 
our  information,  marketing  and  analytic  services,  which  could  reduce  the  demand  for  our  services,  lower  our 
revenues and increase our costs. 

If  we  are  not  able  to  obtain  and  maintain  accurate,  comprehensive  or  reliable  data,  we  could  experience 
reduced  demand  for  our  information,  marketing  and  analytic  services.  Our  success  depends  on  our  clients’ 
confidence  in  the  comprehensiveness,  accuracy  and  reliability  of  the  data  and  analysis  we  provide.  The  task  of 
establishing and maintaining accurate and reliable data and analysis  is challenging. If our data, including the data 
we  obtain  from  third  parties,  or  analysis  is  not  current,  accurate,  comprehensive  or  reliable,  we  could  experience 
reduced demand for our services or legal claims by our customers, which could result in lower revenues and higher 
expenses.  Our  U.S.  researchers  use  integrated  internal  research  processes  to  update  our  database.    Any 
inefficiencies, errors, or technical problems with this application could reduce the quality of our data, which could 
result in reduced demand for our services, lower revenues and higher costs.   

20 

 
 
 
 
If we are not able to successfully identify, finance and/or integrate acquisitions, our business operations and 
financial  position  could  be  adversely  affected.  We  have  expanded  our  markets  and  services  in  part  through 
acquisitions of complementary businesses, services, databases and technologies, and expect to continue to do so in 
the future. Our strategy to acquire complementary companies or assets depends on our  ability to identify, and the 
availability of, suitable acquisition candidates. In addition, acquisitions involve numerous risks, including managing 
the  integration  of  personnel  and  products;  including  those  of  PPR  and  Resolve  Technology;  managing 
geographically remote operations, such as SPN in Scotland, Grecam S.A.S. in France, CoStar U.K. Limited, Propex 
and Property and Portfolio Research Ltd. in the U.K.; the diversion of management’s attention from other business 
concerns; the inherent risks in entering markets and sectors in which we have either limited or no direct experience; 
and the potential loss of key employees or clients of the acquired companies. We may not successfully integrate any 
acquired businesses or assets and may not achieve anticipated benefits of any acquisition. Acquisitions could result 
in  dilutive  issuances  of  equity  securities,  the  incurrence  of  debt,  one-time  write-offs  of  goodwill  and  substantial 
amortization  expenses  of  other  intangible  assets.    Obtaining  credit  in  the  current  economic  environment  may  be 
difficult and cost prohibitive.  We may be unable to obtain financing on favorable terms, or at all, if necessary to 
finance future acquisitions making it impossible or more costly to acquire complementary businesses.  If we are able 
to obtain financing, the terms may be onerous and restrict our operations. 

Temporary or permanent outages of our computers, software or telecommunications equipment could lead to 
reduced  demand  for  our  information,  marketing  and  analytic  services,  lower  revenues  and  increased  costs.  Our 
operations  depend  on  our  ability  to  protect  our  database,  computers  and  software,  telecommunications  equipment 
and facilities against damage  from potential dangers such as  fire, power loss,  security breaches, computer  viruses 
and  telecommunications  failures.  Any  temporary  or  permanent  loss  of  one  or  more  of  these  systems  or  facilities 
from an accident, equipment malfunction or some other cause could harm our business. If we experience a failure 
that  prevents  us  from  delivering  our  information,  marketing  and  analytic  services  to  clients,  we  could  experience 
reduced demand for our information, marketing and analytic services, lower revenues and increased costs. 

Changes in accounting and reporting policies or practices may affect our financial results or presentation of 
results, which may affect our stock price. Changes in accounting and reporting policies or practices could reduce our 
net  income,  which  reductions  may  be  independent  of  changes  in  our  operations.  These  reductions  in  reported  net 
income could cause our stock price to decline.  For example, in 2006, we adopted authoritative guidance for stock 
compensation, which required us to expense the value of granted stock options.  

Our  business  depends  on  retaining  and  attracting  highly  capable  management  and  operating  personnel.  Our 
success depends in large part on our ability to retain and attract management and operating personnel, including our 
President and Chief Executive Officer, Andrew Florance, and our other officers and key employees. Our business 
requires highly skilled technical, sales, management, web development, marketing and research personnel, who are 
in  high  demand  and  are  often  subject  to  competing  offers.  To  retain  and  attract  key  personnel,  we  use  various 
measures,  including  employment  agreements,  awards  under  a  stock  incentive  plan  and  incentive  bonuses  for  key 
executive officers. These measures may not be enough to retain and attract the personnel we need or to offset the 
impact on our business of the loss of the services of Mr. Florance or other key officers or employees.   

Item 1B. 

Unresolved Staff Comments 

None. 

Item 2. 

Properties 

Our corporate headquarters currently is located in Bethesda, Maryland, where we occupy approximately 60,000 
square feet of office space.  This  facility is  used primarily  by our U.S. segment.  Our  main lease  for our Bethesda, 
Maryland headquarters expires on October 15, 2010. 

In February 2010, we purchased a 169,429 square-foot LEED Gold certified office building located at 1331 L 
Street,  NW  in  downtown  Washington,  D.C.  together  with  the  tenancy  in  the  underlying  ground  lease  for  the 
property. This facility will be used primarily by our U.S. segment. We intend to begin relocating our Bethesda-based 
employees  and  infrastructure  to  our  new  building  starting  in  the  second  quarter  of  2010.  We  currently  expect  to 
complete our relocation by October 2010 and allow the lease for our Bethesda property to expire. 

21 

 
 
 
 
 
 
 
 
Our principal facility in the U.K. is located in London, England, where we occupy approximately 11,000 square 
feet of office space.  Our lease for this facility has a maximum term ending October 20, 2018, with early termination 
at our option on October 18, 2013, with advance notice. This facility is used primarily by our International segment. 

In  addition  to  our  Bethesda,  Maryland,  Washington,  D.C.  and  London,  England  facilities,  our  research 
operations  are  principally  run  out  of  leased  spaces  in  San  Diego,  California;  Columbia,  Maryland;  White  Marsh, 
Maryland;  Glasgow,  Scotland;  and  Paris,  France.  Additionally,  we  lease  office  space  in  a  variety  of  other 
metropolitan  areas,  which  generally  house  our  field  sales  offices.  These  locations  include,  without  limitation,  the 
following:  New  York;  Los  Angeles;  Chicago;  San  Francisco;  Boston;  Manchester,  England;  Orange  County, 
California;  Philadelphia;  Houston;  Atlanta;  Phoenix;  Detroit;  Pittsburgh;  Iselin,  New  Jersey;  Fort  Lauderdale; 
Denver; Dallas; Kansas City; Cleveland; Cincinnati; Indianapolis; Austin; Salt Lake City; Seattle; and St. Louis.   

We believe these facilities are suitable and appropriately support our business needs. 

Item 3. 

Legal Proceedings 

Currently, and from time to time, we are involved in litigation incidental to the conduct of our business. We are 
not a party to any lawsuit or proceeding that, in the opinion of our management based on consultations with legal 
counsel, is likely to have a material adverse effect on our financial position or results of operations. 

Item 4. 

Submission of Matters to a Vote of Security Holders 

We did not submit any matters to a vote of our security holders during the quarter ended December 31, 2009.

22 

 
 
 
 
 
 
PART II 

Item 5. 

Market for the Registrant’s Common Stock, Related Stockholder Matters and Issuer Purchases 
of Equity Securities  

Price  Range  of  Common  Stock.  Our  common  stock  is  traded  on  the  Nasdaq  Global  Select  Market  under  the 
symbol “CSGP.” The following table sets forth, for the periods indicated, the high and low daily closing prices per 
share of our common stock, as reported by the Nasdaq Global Select Market. 

Year Ended December 31, 2008 
First Quarter 
Second Quarter 
Third Quarter 
Fourth Quarter 

Year Ended December 31, 2009 
First Quarter 
Second Quarter 
Third Quarter 
Fourth Quarter 

High 

Low 

$  45.31 
$  51.36 
$  56.70 
$  45.20 

$  35.93 
$  40.09 
$  41.57 
$  44.43 

$  36.55 
$  44.39 
$  43.57 
$  27.00 

$  24.23 
$  31.10 
$  33.97 
$  38.35 

As of February 1, 2010, there were 359 holders of record of our common stock.  

Dividend  Policy.  We  have  never  declared  or  paid  any  dividends  on  our  common  stock.  Any  future 
determination to pay dividends will be at the discretion of our Board of Directors, subject to applicable limitations 
under  Delaware  law,  and  will  be  dependent  upon  our  results  of  operations,  financial  position  and  other  factors 
deemed relevant by our Board of Directors. We do not anticipate paying any dividends on our common stock during 
the foreseeable future, but intend to retain any earnings for future growth of our business.  

Recent Issues of Unregistered Securities. On July 17, 2009, we acquired all of the issued and outstanding capital 
stock  of  PPR  from  DMG  Information,  Inc.,  a  Delaware  corporation  (“DMGI”),  the  sole  stockholder  of  PPR,  in 
exchange for an aggregate of 572,999 shares of CoStar common stock, which had a value of approximately $20.9 
million as of that date.  On July 17, 2009, we issued 433,667 shares of common stock as initial consideration, and on 
September  28,  2009,  we  issued  the  remaining  139,332  shares  of  common  stock  as  deferred  purchase  price  after 
taking into account post-closing adjustments.  We issued the shares of common stock in reliance upon the exemption 
from registration under Section 4(2) of the Securities Act of 1933 as issuances not involving a public offering based 
upon the fact that, among other things, PPR had only one stockholder and there was no general solicitation. 

On  October  19,  2009,  we  issued  25,886  shares  of  common  stock  to  an  individual  as  the  stock  portion  of  the 
consideration  in  exchange  for  all  of  the  issued  and  outstanding  capital  stock  of  Resolve  Technology.    The  stock 
portion  of  the  purchase  price  was  approximately  $1.1  million,  and  the  shares  are  subject  to  a  three-year  lockup 
period.  We issued the shares of common stock in reliance upon the exemption from registration under Section 4(2) 
of  the  Securities  Act  of  1933  as  issuances  not  involving  a  public  offering  based  upon  the  fact  that,  among  other 
things, Resolve Technology had only one stockholder and there was no general solicitation. 

23 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Issuer Purchases of Equity Securities.    The following table is a summary of our repurchases of common stock 

during each of the three months in the quarter ended December 31, 2009: 

ISSUER PURCHASES OF EQUITY SECURITIES 

Total 
Number of 
Shares 
Purchased 
 
 
 4,070(1) 

     4,070 

Average Price Paid 
per Share 
 
 
$41.96 
$41.96 

Total Number of 
Shares Purchased as 
Part of Publicly 
Announced Plans or 
Programs 
 
 
 
 

Maximum Number of 
Shares that May Yet Be 
Purchased Under the 
Plans or Programs 
 
 
 
 

Month, 2009 
October 1 through 31 
November 1 through 30 
December 1 through 31 
Total 

(1) The number of shares purchased consists of shares of common stock tendered by employees to the Company 
to satisfy the employees’ tax withholding obligations arising as a result of vesting of restricted stock grants under the 
Company’s  1998  Stock  Incentive  Plan,  as  amended,  and  the  Company’s  2007  Stock  Incentive  Plan,  as  amended, 
which shares were purchased by the Company based on their fair market value on the vesting date.  None of these 
share purchases were part of a publicly announced program to purchase common stock of the Company. 

Stock Price Performance Graph  

The stock performance graph below shows how an initial investment of $100 in our common stock would have 

compared to:  

•  An equal investment in the Standards & Poor's Stock 500 (“S&P 500”) Index.  

•  An equal investment in the S&P 500 Application Software Index. 

The  comparison  covers  the  period  beginning  December  31,  2004,  and  ending  on  December  31,  2009,  and 
assumes the reinvestment of any dividends. You should note that this performance is historical and is not necessarily 
indicative of future price performance.  

24 

 
 
 
 
 
 
 
 
 
 
COMPARISON OF CUMULATIVE FIVE YEAR TOTAL RETURN

CoStar Group, Inc.

S&P 500 Index

S&P 500 Application Software Index

200

150

100

50

0

S
R
A
L
L
O
D

12/31/04

12/31/05

12/31/06

12/31/07

12/31/08

12/31/09

Company / Index 
CoStar Group, Inc. 
S&P 500 Index 
S&P 500 Application Software Index 

12/31/04  12/31/05 
93.48 
104.91 
110.69 

100 
100 
100 

12/31/06 
115.98 
121.48 
116.59 

12/31/07  12/31/08  12/31/09 
71.33 
102.32 
80.74 
128.16 
70.79 
129.51 

90.45 
102.11 
113.14 

25 

 
 
 
 
 
 
 
 
 
Item 6.  

Selected Consolidated Financial and Operating Data 

Selected Consolidated Financial and Operating Data 
(in thousands, except per share data and other operating data) 

The following table provides selected consolidated financial and other operating data for the five years ended 
December 31, 2009. The consolidated statement of operations data shown below for each of the three years ended 
December 31, 2007, 2008, and 2009 and the consolidated balance sheet data as of December 31, 2008 and 2009 are 
derived from audited consolidated financial statements that are included in this report. The consolidated statement of 
operations data for each of the years ended December 31, 2005 and 2006 and the consolidated balance sheet data as 
of December 31, 2005, 2006, and 2007 shown below are derived from audited consolidated financial statements for 
those years that are not included in this report. 

Year Ended December 31, 

Consolidated Statement of Operations Data: 
Revenues ..................................................................  $ 
Cost of revenues ......................................................   
Gross margin ............................................................   
Operating expenses ..................................................   
Income from operations ...........................................   
Interest and other income, net ..................................   
Income before income taxes ....................................   
Income tax expense , net ..........................................   
Net income  ..............................................................  $ 
Net income per share − basic ...................................   $   
Net income per share − diluted ................................  $   
Weighted average shares outstanding − basic ..........   
Weighted average shares outstanding − diluted .......   

2007 

2006 

2005 
134,338    $  158,889    $  192,805 
76,704 
116,101 
98,249 
17,852 
8,045 
25,897 
9,946 
15,951 
0.84 

56,136     
102,753     
88,672     
14,081     
6,845     
20,926     
8,516     
12,410    $ 
0.66    $  

44,286   
90,052   
82,710   
7,342   
3,455   
10,797   
4,340   
6,457    $ 
0.35    $  

2008 
212,428 
73,408 
139,020 
99,232 
39,788 
4,914 
44,702 
20,079 
24,623 
1.27 

2009 

  $  209,659 
73,714 
135,945 
104,110 
31,835 
1,253 
33,088 
14,395 
18,693 
0.95 

  $ 
  $ 

  $ 

  $ 
  $   

0.34    $  

0.65    $  

0.82 

  $   

1.26 

  $ 

0.94 

18,453   

19,007   

18,751     

19,165     

19,044 

19,404 

19,372 

19,550 

19,780 

19,925 

Consolidated Balance Sheet Data: 
Cash, cash equivalents, short-term and long-term 

investments ..........................................................  $ 

Working capital .......................................................   
Total assets ..............................................................   
Total liabilities .........................................................   
Stockholders’ equity ................................................   

2005 

2006 

2007 

2008 

2009 

As of December 31, 

134,185   $ 
124,501  
248,059  
23,263  
224,796  

158,148    $ 
154,606     
275,437     
25,327     
250,110     

187,426 
167,441 
321,843 
40,038 
281,805 

  $ 

224,590    $ 
183,347   
334,384   
30,963   
303,421   

255,698 
203,660 
404,579 
45,573 
359,006 

Other Operating Data: 
Number of subscription client sites ..........................   
Millions of properties in database ............................   

2005 
11,464   
1.8   

2006 
13,257     
2.1     

2007 
14,467 
2.7 

2008 
15,920 
      3.2 

2009 
  16,020 
3.6 

As of December 31, 

26 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Item 7. 

Management’s Discussion and Analysis of Financial Condition and Results of Operations  

The  following  Management’s  Discussion  and  Analysis  of  Financial  Condition  and  Results  of  Operations 
contains  “forward-looking  statements,”  including  statements  about  our  beliefs  and  expectations.  There  are  many 
risks  and  uncertainties  that  could  cause  actual  results  to  differ  materially  from  those  discussed  in  the  forward-
looking statements. Potential factors that could cause actual results to differ materially from those discussed in any 
forward-looking statements include, but are not limited to, those stated above in Item 1A. under the headings “Risk 
Factors  Cautionary Statement Concerning Forward-Looking Statements” and “Risk Factors,” as well as those 
described from time to time in our filings with the Securities and Exchange Commission.  

All forward-looking statements are based on information available to us on the date of this filing and we assume 
no obligation to update such statements. The following discussion should be read in conjunction  with our  Annual 
Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and other filings with the 
Securities  and  Exchange  Commission  and  the  consolidated  financial  statements  and  related  notes  in  this  Annual 
Report on Form 10-K.  

Overview   

CoStar Group, Inc. (“CoStar”) is the number one provider of information, marketing and analytic services to the 
commercial  real  estate  industry  in  the  U.S.  and  the  U.K.  based  on  the  fact  that  we  offer  the  most  comprehensive 
commercial  real  estate  database  available,  have  the  largest  research  department  in  the  industry,  provide  more 
information,  marketing  and  analytic  services  than  any  of  our  competitors  and  believe  we  generate  more  revenues 
than  any  of  our  competitors.  We  have  created  a  standardized  information,  marketing  and  analytic  platform  where 
members  of  the  commercial  real  estate  and  related  business  community  can  continuously  interact  and  facilitate 
transactions by efficiently exchanging accurate and standardized commercial real estate information. Our integrated 
suite of online service offerings includes information about space available for lease, comparable sales information, 
tenant  information,  information  about  properties  for  sale,  internet  marketing  services,  information  for  clients' 
websites,  information  about  industry  professionals  and  their  business  relationships,  data  integration,  and  industry 
news. We also provide market research and analysis for commercial real estate investors and lenders via our PPR 
service offerings. Our service offerings span all commercial property types, including office, industrial, retail, land, 
mixed-use, hospitality and multifamily. 

Since 1994,  we  have expanded the geographical coverage  of our existing  information and  marketing  services 
and  developed  new  information,  marketing  and  analytic  services.  In  addition  to  internal  growth,  this  expansion 
included  the  acquisitions  of  Chicago  ReSource,  Inc.  in  Chicago  in  1996  and  New  Market  Systems,  Inc.  in 
San Francisco in 1997. In August 1998, we expanded into the Houston region through the acquisition of Houston-
based real estate information provider C Data Services, Inc. In January 1999, we expanded further into the Midwest 
and Florida by acquiring LeaseTrend, Inc. and into Atlanta and Dallas/Fort Worth by acquiring Jamison Research, 
Inc.  In  February  2000,  we  acquired  COMPS.COM,  Inc.,  a  San Diego-based  provider  of  commercial  real  estate 
information.  In  November  2000,  we  acquired  First  Image  Technologies,  Inc.,  a  California-based  provider  of 
commercial  real  estate  software.  In  September  2002,  we  expanded  further  into  Portland,  Oregon  through  the 
acquisition  of  certain  assets  of  Napier  Realty  Advisors  (doing  business  as  REAL-NET).  In  January  2003,  we 
established a base in the U.K. with our acquisition of London-based FOCUS Information Limited. In May 2004, we 
expanded  into  Tennessee  through  the  acquisition  of  Peer  Market  Research,  Inc.,  and  in  September  2004,  we 
extended  our  coverage  of  the  U.K.  through  the  acquisition  of  Scottish  Property  Network.  In  September  2004,  we 
strengthened our position in Denver, Colorado through the acquisition of substantially all of the assets of RealComp, 
Inc., a local comparable sales information provider. 

In January 2005, we acquired National Research Bureau, a Connecticut-based provider of U.S. shopping center 
information.  In  December  2006,  our  U.K.  subsidiary,  CoStar  Limited,  acquired  Grecam  S.A.S.  (“Grecam”),  a 
provider  of  commercial  property  information  and  market-level  surveys,  studies  and  consulting  services  located  in 
Paris, France. In February 2007, CoStar Limited also acquired Property Investment Exchange Limited (“Propex”), a 
provider of commercial property information and operator of an electronic platform that facilitates the exchange of 
investment  property  located  in  London,  England.  In  April  2008,  we  acquired  the  assets  of  First  CLS,  Inc.  (doing 
business  as  the  Dorey  Companies  and  DoreyPRO),  an  Atlanta-based  provider  of  local  commercial  real  estate 
information.  Most  recently,  in  July  2009,  we  acquired  Massachusetts-based  Property  and  Portfolio  Research,  Inc. 

27 

 
 
 
 
 
 
(“PPR”), a provider of real estate analysis, market forecasts and credit risk analytics to the commercial real estate 
industry,  and  its  wholly  owned  U.K.  subsidiary  Property  and  Portfolio  Research  Ltd.,  and  in  October  2009,  we 
acquired  Massachusetts-based  Resolve  Technology,  Inc.  (“Resolve  Technology”),  a  provider  of  business 
intelligence  and  portfolio  management  software  serving  the  institutional  real  estate  investment  industry.  The  First 
CLS, Inc., PPR and Resolve Technology acquisitions are discussed later in this section under the heading “Recent 
Acquisitions.” 

In 2004, we began our expansion into 21 new metropolitan markets throughout the U.S. and began expanding 
the geographical coverage of many of our existing U.S. and U.K. markets. We completed our expansion into the 21 
new  markets  in  the  first  quarter  of  2006.  In  early  2005,  in  conjunction  with  the  acquisition  of  National  Research 
Bureau, we launched a major effort to expand our coverage of retail real estate information. The retail component of 
our  flagship  product,  CoStar  Property  Professional,  was  unveiled  in  May  2006  at  the  International  Council  of 
Shopping Centers’ convention in Las Vegas. 

During the second half of 2006, in order to expand the geographical coverage of our service offerings, we began 
actively  researching  commercial  properties  in  81  new  Core  Based  Statistical  Areas  (“CBSAs”)  in  the  U.S.,  we 
increased our U.S.  field research fleet by adding 89 vehicles and  we  hired researchers to staff these  vehicles. We 
released  our  CoStar  Property  Professional  service  in  the  81  new  CBSAs  across  the  U.S.  in  the  fourth  quarter  of 
2007.  Throughout  our  recent  expansion  efforts,  we  have  remained  focused  on  ensuring  that  CoStar  continues  to 
provide the quality of information our customers expect. As such, in 2009 we expanded our research operations, and 
we  plan  to  continue  to  grow  our  research  operations  slightly  in  2010,  in  order  to  continue  to  meet  customer 
expectations. 

During  the  second  half  of  2009,  as  a  part  of  our  strategy  to  provide  subscribers  with  tools  for  conducting 
primary  research  and  analysis  on  commercial  real  estate,  we  expanded  subscribers’  capabilities  to  use  CoStar’s 
database of research-verified commercial property information to conduct in-depth analysis and generate reports on 
trends in sales and leasing activity online. Further, in July 2009, we acquired PPR and its wholly owned subsidiary, 
providers of real estate investment analysis and market forecasting services. 

In  connection  with  our  acquisitions  of  Propex,  Grecam  and  PPR’s  wholly  owned  subsidiary  Property  and 
Portfolio Research Ltd., we intend to expand the coverage of our service offerings within the U.K. and to integrate 
our international operations more fully with those in the U.S.  We have gained operational efficiencies as a result of 
consolidating a majority of our U.K. research operations in one location in Glasgow and combining the majority of 
our remaining U.K. operations in one central location in London. 

We  intend  to  eventually  introduce  a  consistent  international  platform  of  service  offerings.  In  2007,  we 
introduced the “CoStar Group” as the brand encompassing our international operations. We believe that our recent 
U.S. and international expansion and integration efforts have created a platform for long-term growth. 

We  expect  to  continue  to  develop  and  distribute  new  services,  expand  existing  services  within  our  current 
platform, consider strategic acquisitions and expand and develop our sales and marketing organization. For instance, 
in  May  2008,  we  released  CoStar  Showcase®,  an  internet  marketing  service  that  provides  commercial  real  estate 
professionals the opportunity to make their listings accessible to all visitors to our public website, www.CoStar.com.       
More recently, in July 2009, we expanded subscribers’ analytic capabilities to use our online database to conduct in-
depth  analysis  and  generate  reports  on  sales  and  leasing  activity  through  our  acquisition  of  PPR  and  in  October 
2009,  we  acquired  Resolve  Technology,  which  enabled  us  to  provide  our  customers  with  additional  tools  for 
analyzing  commercial  real  estate  markets.  Any  future  expansion  could  reduce  our  profitability  and  increase  our 
capital  expenditures.  Therefore,  while  we  expect  current  service  offerings  to  remain  profitable,  driving  overall 
earnings  throughout  2010  and  providing  substantial  cash  flow  for  our  business,  it  is  possible  that  any  new 
investments could cause us to generate losses and negative cash flow from operations in the future. 

Current general economic conditions in the U.S. and the world are negatively affecting business operations for 
our clients and are resulting in more business consolidations and, in certain circumstances, failures. As a result of 
these  economic  conditions,  we  continue  to  see  customer  cancellations,  reductions  of  services  and  failures  to  pay 
amounts due to us, although at a slower pace than in previous quarters.  If cancellations, reductions of services and 
failures to pay continue at the current rate or increase, and we are unable to offset the resulting decrease in revenue 

28 

  
 
 
 
 
 
  
by increasing sales to new or existing customers, our revenues may decline or grow at reduced rates.  Additionally, 
current  economic  conditions  may  cause  customers  to  reduce  expenses,  and  customers  may  be  forced  to  purchase 
fewer services from us or cancel all services.  We compete against many other commercial real estate information, 
marketing and analytic service providers for business.  If customers choose to cancel our services for cost-cutting or 
other  reasons,  our  revenue  could  decline.  The  extent  and  duration  of  any  future  continued  weakening  of  the 
economy  is  unknown.  The  extent  and  duration  of  any  benefits  resulting  from  any  of  the  governmental  or  private 
sector initiatives designed to strengthen the economy are currently unknown and there can be no assurance that those 
initiatives will be successful in the future.  Because of these uncertainties, we may not be able to accurately forecast 
our  revenue  or  earnings.  However,  we  continue  to  believe  that  the  Company  is  positioned  to  generate  continued, 
sustained earnings in 2010. 

Our  financial  reporting  currency  is  the  U.S. dollar.  Changes  in  exchange  rates  can  significantly  affect  our 
reported results and consolidated trends.  We believe that our increasing diversification beyond the U.S. economy 
through our international businesses benefits our stockholders over the long term. We also believe it is important to 
evaluate  our  operating  results  before  and  after  the  effect  of  currency  changes,  as  it  may  provide  a  more  accurate 
comparison of our results of operations over historical periods. Currency volatility may continue, which may impact 
(either positively or negatively) our reported financial results and consolidated trends and comparisons. 

We currently issue stock options and/or restricted stock to our officers, directors and employees, and as a result 
we record additional compensation expense in our consolidated statements of operations. We plan to continue the 
use of stock-based compensation for our officers, directors and employees, which may include, among other things, 
restricted stock or stock option grants that typically will require us to record additional compensation expense in our 
consolidated statements of operations and reduce our net income. 

Our  subscription-based  information  services,  consisting  primarily  of  CoStar  Property  Professional,  CoStar 
Tenant, CoStar COMPS Professional, and FOCUS services currently generate more than 95% of our total revenues. 
CoStar  Property  Professional,  CoStar  Tenant,  and  CoStar  COMPS  Professional  are  generally  sold  as  a  suite  of 
similar services and comprise our primary service offering in our U.S. operating segment.  FOCUS is our primary 
service  offering  in  our  International  operating  segment.  The  majority  of  our  contracts  for  our  subscription-based 
information services typically have a minimum term of one year and renew automatically. Upon renewal, many of 
the  subscription  contract  rates  may  change  in  accordance  with  contract  provisions  or  as  a  result  of  contract 
renegotiations. To encourage clients to use our services regularly, we generally charge a fixed monthly amount for 
our  subscription-based  information  services  rather  than  fees  based  on  actual  system  usage.  Contract  rates  are 
generally based on the number of sites, number of users,  organization size, the client’s business focus, geography 
and the  number of services to  which a client subscribes.  Our subscription clients  generally pay contract  fees on a 
monthly basis, but in some cases may pay us on a quarterly or annual basis. We recognize this revenue on a straight-
line  basis  over  the  life  of  the  contract.  Annual  and  quarterly  advance  payments  result  in  deferred  revenue, 
substantially reducing the working capital requirements generated by accounts receivable. 

For the twelve months ended December 31, 2009 and 2008, our contract renewal rate was approximately 85% 
and 89%, respectively. As discussed above, our trailing twelve-month contract renewal rate may continue to decline 
if continuing negative economic conditions lead to greater business failures and/or consolidations, further reductions 
in customer spending or decreases in the customer base. 

Application of Critical Accounting Policies and Estimates 

The  preparation  of  financial  statements  and  related  disclosures  in  conformity  with  generally  accepted 
accounting  principles  (“GAAP”)  in  the  United  States  of  America  requires  management  to  make  estimates  and 
assumptions  that  affect  the  reported  amounts  of  assets  and  liabilities,  the  disclosure  of  contingent  assets  and 
liabilities  at  the  date  of  the  financial  statements  and  revenues  and  expenses  during  the  period  reported.  The 
following  accounting  policies  involve  a  “critical  accounting  estimate”  because  they  are  particularly  dependent  on 
estimates and assumptions made by management about matters that are highly uncertain at the time the accounting 
estimates are made. In addition, while we have used our best estimates based on facts and circumstances available to 
us at the time, different estimates reasonably could have been used in the current period. Changes in the accounting 
estimates  we  use  are  reasonably  likely  to  occur  from  period  to  period,  which  may  have  a  material  impact  on  the 

29 

 
 
  
 
 
 
presentation  of  our  financial  condition  and  results  of  operations.  We  review  these  estimates  and  assumptions 
periodically and reflect the effects of revisions in the period that they are determined to be necessary. 

Valuation of Long-Lived and Intangible Assets and Goodwill 

We  assess  the  impairment  of  long-lived  assets,  identifiable  intangibles  and  goodwill  whenever  events  or 
changes in circumstances indicate that the carrying value may not be recoverable. Judgments made by management 
relate to the expected useful lives of long-lived assets and our ability to realize any undiscounted cash flows of the 
carrying  amounts  of  such  assets.    The  accuracy  of  these  judgments  may  be  adversely  affected  by  several  factors, 
including the factors listed below: 

•  Significant underperformance relative to historical or projected future operating results;  
•  Significant changes in the manner of our use of the acquired assets or the strategy for our overall business; 
•  Significant negative industry or economic trends; or  
•  Significant decline in our market capitalization relative to net book value for a sustained period.  

When we determine that the carrying value of long-lived and identifiable intangible assets may not be recovered 

based upon the existence of one or more of the above indicators, we test for impairment. 

Goodwill and identifiable intangible assets not subject to amortization are tested annually by each reporting unit 
on October 1 of each year for impairment and are tested for impairment more frequently based upon the existence of 
one or more of the above indicators.  We consider our operating segments, U.S. and International, as our reporting 
units under FASB authoritative guidance for consideration of potential impairment of goodwill.  

The  goodwill  impairment  test  is  a  two-step  process.    The  first  step  is  to  determine  the  fair  value  of  each 
reporting unit. We estimate the fair value of each reporting unit based on a projected discounted cash flow model 
that  includes  significant  assumptions  and  estimates  including  our  future  financial  performance  and  a  weighted 
average cost of capital. The fair value of each reporting  unit is compared to the carrying amount of the reporting 
unit.  If  the  carrying  value  of  the  reporting  unit  exceeds  the  fair  value,  then  the  second  step  of  the  process  is 
performed to measure the impairment loss.  We measure impairment loss based on a projected discounted cash flow 
method  using  a  discount  rate  determined  by  our  management  to  be  commensurate  with  the  risk  in  our  current 
business model.  A 50% decrease in the fair value of our International reporting unit as of December 31, 2009 would 
have no impact on the carrying value of our goodwill. 

Accounting for Income Taxes 

As  part  of  the  process  of  preparing  our  consolidated  financial  statements,  we  are  required  to  estimate  our 
income taxes in each of the jurisdictions in which we operate. This process requires us to estimate our actual current 
tax  exposure  and  assess  the  temporary  differences  resulting  from  differing  treatment  of  items,  such  as  deferred 
revenue  or  deductibility  of  certain  intangible  assets,  for  tax  and  accounting  purposes.  These  differences  result  in 
deferred  tax  assets  and  liabilities,  which  are  included  within  our  consolidated  balance  sheets.  We  must  then  also 
assess the likelihood that our deferred tax assets will be recovered from future taxable income, and, to the extent we 
believe that it is more-likely-than not that some portion or all of our deferred tax assets will not be realized, we must 
establish  a  valuation  allowance.    To  the  extent  we  establish  a  valuation  allowance  or  change  the  allowance  in  a 
period,  we  must  reflect  the  corresponding  increase  or  decrease  within  the  tax  provision  in  the  statements  of 
operations.  

Non-GAAP Financial Measures 

We prepare and publicly release quarterly unaudited financial statements prepared in accordance with GAAP. 
We also disclose and discuss certain non-GAAP financial measures in our public releases. Currently, the non-GAAP 
financial  measure  that  we  disclose  is  EBITDA,  which  is  our  net  income  (loss)  before  interest,  income  taxes, 
depreciation  and  amortization.  We  disclose  EBITDA  on  a  consolidated  and  an  operating  segment  basis  in  our 
earnings  releases,  investor  conference  calls  and  filings  with  the  Securities  and  Exchange  Commission.  The  non-
GAAP  financial  measures  that  we  use  may  not  be  comparable  to  similarly  titled  measures  reported  by  other 
companies.  Also,  in  the  future,  we  may  disclose  different  non-GAAP  financial  measures  in  order  to  help  our 

30 

 
 
 
 
 
 
 
 
 
 
investors more meaningfully evaluate and compare our future results of operations to our previously reported results 
of operations. 

We  view  EBITDA  as  an  operating  performance  measure  and  as  such  we  believe  that  the  GAAP  financial 
measure most directly comparable to it is net income (loss). In calculating EBITDA, we exclude from net income 
(loss)  the  financial  items  that  we  believe  should  be  separately  identified  to  provide  additional  analysis  of  the 
financial components of the  day-to-day operation of our business. We  have outlined below  the type and  scope of 
these  exclusions  and  the  material  limitations  on  the  use  of  this  non-GAAP  financial  measure  as  a  result  of  these 
exclusions. EBITDA is not a measurement of financial performance under GAAP and should not be considered as a 
measure of liquidity, as an alternative to net income (loss) or as an indicator of any other measure of performance 
derived in accordance with GAAP. Investors and potential investors in our securities should not rely on EBITDA as 
a  substitute  for  any  GAAP  financial  measure,  including  net  income  (loss).  In  addition,  we  urge  investors  and 
potential investors in our securities to carefully review the reconciliation of EBITDA to net income (loss) set forth 
below, in our earnings releases and in other filings with the Securities and Exchange Commission and to carefully 
review  the  GAAP  financial  information  included  as  part  of  our  Quarterly  Reports  on  Form 10-Q  and  our  Annual 
Reports on Form 10-K that are filed with the Securities and Exchange Commission, as well as our quarterly earnings 
releases, and compare the GAAP financial information with our EBITDA. 

EBITDA  is  used  by  management  to  internally  measure  our  operating  and  management  performance  and  by 
investors as a supplemental financial measure to evaluate the performance of our business that, when viewed with 
our GAAP results and the accompanying reconciliation, we believe provides additional information that is useful to 
gain an understanding of the factors and trends affecting our business. We have spent more than 22 years building 
our  database  of  commercial  real  estate  information  and  expanding  our  markets  and  services  partially  through 
acquisitions of complementary businesses. Due to the expansion of our information, marketing and analytic services, 
which  included  acquisitions,  our  net  income  (loss)  has  included  significant  charges  for  purchase  amortization, 
depreciation  and  other  amortization.  EBITDA  excludes  these  charges  and  provides  meaningful  information  about 
the  operating  performance  of  our  business,  apart  from  charges  for  purchase  amortization,  depreciation  and  other 
amortization.  We  believe  the  disclosure  of  EBITDA  helps  investors  meaningfully  evaluate  and  compare  our 
performance from quarter to quarter and from year to year. We also believe EBITDA is a measure of our ongoing 
operating performance because the isolation of non-cash charges, such as amortization and depreciation, and non-
operating  items,  such  as  interest  and  income  taxes,  provides  additional  information  about  our  cost  structure,  and, 
over  time,  helps  track  our  operating  progress.  In  addition,  investors,  securities  analysts  and  others  have  regularly 
relied on EBITDA to provide a financial measure by which to compare our operating performance against that of 
other companies in our industry.   

Set forth below are descriptions of the  financial  items that  have been excluded from our net income (loss) to 
calculate EBITDA and the material limitations associated with using this non-GAAP financial measure as compared 
to net income (loss): 

•  Purchase amortization in cost of revenues may be useful for investors to consider because it represents the 
use  of  our  acquired  database  technology,  which  is  one  of  the  sources  of  information  for  our  database  of 
commercial  real  estate  information.  We  do  not  believe  these  charges  necessarily  reflect  the  current  and 
ongoing cash charges related to our operating cost structure. 

•  Purchase amortization in operating expenses may be useful for investors to consider because it represents 
the  estimated  attrition  of  our  acquired  customer  base  and  the  diminishing  value  of  any  acquired  trade 
names. We do not believe these charges necessarily reflect the current and ongoing cash charges related to 
our operating cost structure. 

•  Depreciation  and  other  amortization  may  be  useful  for  investors  to  consider  because  they  generally 
represent the wear and tear on our property and equipment used in our operations. We do not believe these 
charges necessarily reflect the current and ongoing cash charges related to our operating cost structure. 

•  The amount of net interest income we generate may be useful for investors to consider and may result in 
current cash inflows or outflows. However, we do not consider the amount of net interest income to be a 
representative component of the day-to-day operating performance of our business. 

31 

 
 
 
 
 
 
 
• 

Income  tax  expense  (benefit) may  be  useful  for  investors  to  consider  because  it  generally  represents  the 
taxes which may be payable for the period and the change in deferred income taxes during the period and 
may reduce the amount of funds otherwise available for use in our business.  However, we do not consider 
the amount of income tax expense (benefit) to be a representative component of the day-to-day operating 
performance of our business.   

Management  compensates  for  the  above-described  limitations  of  using  non-GAAP  measures  by  using  a  non-
GAAP measure only to supplement our GAAP results and to provide additional information that is useful to gain an 
understanding of the factors and trends affecting our business. 

The  following  table  shows  our  EBITDA  reconciled  to  our  net  income  and  our  cash  flows  from  operating, 

investing and financing activities for the indicated periods (in thousands): 

Year Ended December 31, 

2007 
Net income ........................................................................................   $  15,951 
2,170 
Purchase amortization in cost of revenues ........................................    
5,063 
Purchase amortization in operating expenses ...................................    
8,914 
Depreciation and other amortization.................................................    
(8,045) 
Interest income, net...........................................................................    
Income tax expense, net ....................................................................    
9,946 
EBITDA ...........................................................................................   $  33,999 

2008 

2009 

  $  24,623 
2,284 
4,880 
9,637 
(4,914) 
  20,079 
  $  56,589 

  $  18,693 
2,389 
3,412 
8,875 
(1,253) 
  14,395 
  $  46,511 

Cash flows provided by (used in) 

Operating activities .......................................................................   $  51,732 
Investing activities ........................................................................   $  (40,331) 
8,161 
Financing activities .......................................................................   $ 

  $  40,908 
  $  52,430 
  $  11,475 

  $  39,569 
3,408 
  $ 
2,172 
  $ 

Consolidated Results of Operations 

The  following  table  provides  our  selected  consolidated  results  of  operations  for  the  indicated  periods  (in 

thousands of dollars and as a percentage of total revenue): 

2007 

Year Ended December 31, 
2008 

2009 

Revenues.................................................  $  192,805 
Cost of revenues .....................................     76,704 
Gross margin ..........................................     116,101 
Operating expenses: 

Selling and marketing .........................     51,777 
Software development .........................     12,453 
General and administrative .................     36,569 
(7,613) 
Gain on lease settlement, net ...............    
5,063 
Purchase amortization .........................    
Total operating expenses ........................     98,249 
Income from operations ..........................     17,852 
Interest and other income, net .................    
8,045 
Income before income taxes ...................     25,897 
9,946 
Income tax expense, net ..........................    
Net income  .............................................   $  15,951 

  100.0  %    $  212,428 
  73,408 
  39.8 
  139,020 
  60.2 

  100.0  %   $  209,659 
  73,714 
  34.6 
  135,945 
  65.4 

  100.0  % 
  35.2 
  64.8 

  26.9   
6.5   
  19.0   
(3.9)   
2.6   
  51.0   
9.3   
4.2   
  13.4   
5.2 
8.3  % 

  41,705 
  12,759 
       39,888 
 
4,880 
  99,232 
  39,788 
4,914 
  44,702 
  20,079 
  $  24,623 

  19.6 
6.0 
  18.8 
0.0 
2.3 
  46.7 
  18.7 
2.3 
  21.0 
9.5 

  42,508 
  13,942 
           44,248 
 
3,412 
  104,110 
  31,835 
1,253 
  33,088 
  14,395 
  11.6  %   $  18,693 

  20.3 
6.6 
  21.1 
0.0 
1.6 
  49.7 
  15.2 
0.6 
  15.8 
6.9 
8.9  % 

32 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
   
 
   
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
   
 
 
 
 
   
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
   
 
 
 
 
   
 
 
 
   
 
 
 
 
 
   
 
 
 
 
   
 
 
 
 
 
   
 
 
 
 
 
Comparison of Year Ended December 31, 2009 and Year Ended December 31, 2008 

Revenues.  Revenues  decreased  to  $209.7  million  in  2009,  from  $212.4  million  in  2008.  Revenues  from 
customers in our International operations decreased $4.3 million primarily due to foreign currency fluctuations. The 
decrease  in  International  revenues  was  partially  offset  by  an  increase  in  U.S.  revenues  of  approximately  $1.5 
million.  The increase in U.S. revenues is primarily due to additional revenue of approximately $8.5 million from 
our July 2009 acquisition of PPR partially offset by decreased sales resulting from a difficult commercial real estate 
and  economic  environment.  Our  subscription-based  information  services  consist  primarily  of  CoStar  Property 
Professional, CoStar Tenant, CoStar COMPS Professional, FOCUS services and Propex services. As of December 
31, 2009, our subscription-based information services represented more than 95% of our total revenues.  

Gross  Margin.  Gross  margin  decreased  to  $135.9  million  in  2009,  from  $139.0  million  in  2008.  The  gross 
margin percentage decreased to 64.8% in 2009, from 65.4% in 2008. The decrease in the amount and percentage of 
gross margin was principally due to a $2.8 million decrease in revenue in 2009.  

Selling  and  Marketing  Expenses.  Selling  and  marketing  expenses  increased  to  $42.5  million  in  2009,  from 
$41.7  million  in  2008,  and  increased  as  a  percentage  of  revenues  to  20.3%  in  2009,  from  19.6%  in  2008.  The 
increase in the amount and percentage of selling and marketing expenses was primarily due to additional selling and 
marketing  expenses  of  approximately  $1.7  million  incurred  by  PPR  and  included  as  a  result  of  our  July  2009 
acquisition  of  PPR.    The  increase  was  offset  by  an  approximately  $900,000  decrease  due  to  foreign  currency 
fluctuations. 

Software  Development  Expenses.  Software  development  expenses  increased  to  $13.9  million  in  2009,  from 
$12.8 million in 2008, and increased as a percentage of revenues to 6.6% in 2009, from 6.0% in 2008.  The  increase 
in  the  amount  and  percentage  of  software  development  expenses  was  due  to  additional  software  development 
expenses of approximately $600,000 incurred by PPR and included as a result of our July 2009 acquisition of PPR 
as  well  as  additional  development  expenses  of  approximately  $400,000  incurred  by  Resolve  Technology,  and 
included as a result of our October 2009 acquisition of Resolve Technology.  

General and Administrative Expenses. General and administrative expenses increased to $44.2 million in 2009, 
from $39.9 million in 2008, and increased as a percentage of revenues to 21.1% in 2009, from 18.8% in 2008. The 
increase in the amount and percentage of general and administrative expenses was principally a result of an increase 
of  acquisition  and  deal  related  costs  of  approximately  $700,000,  an  increase  in  legal  fees  of  $2.0  million  and 
additional  general  and  administrative  expenses  of  approximately  $1.1  million  incurred  by  PPR  and  included  as  a 
result of our July 2009 acquisition of PPR. 

Purchase  Amortization.  Purchase  amortization  decreased  to  $3.4  million  in  2009,  from  $4.9  million  in  2008, 
and  decreased  as  a  percentage  of  revenues  to  1.6%  in  2009,  from  2.3%  in  2008.    The  decrease  in  purchase 
amortization expense is due to the completion of amortization for certain identifiable intangible assets in 2009. 

Interest  and  Other  Income,  Net.  Interest  and  other  income,  net  decreased  to  $1.3  million  in  2009,  from  $4.9 
million in 2008. Interest and other income, net decreased due to lower average interest rates in 2009 compared to 
2008. 

Income Tax Expense, Net. Income tax expense, net decreased to $14.4 million in 2009, from $20.1 million in 

2008. This decrease was due to lower income before income taxes as a result of our decreased profitability. 

Comparison of Business Segment Results for Year Ended December 31, 2009 and Year Ended December 31, 
2008 

We manage our business geographically in two operating segments, with our primary areas of measurement and 
decision-making  being  the  U.S.  and  International,  which  includes  the  U.K.  and  France.  Management  relies  on  an 
internal management reporting process that provides segment revenue and EBITDA, which is our net income before 
interest, income taxes, depreciation and amortization. Management believes that segment EBITDA is an appropriate 
measure for evaluating the operational performance of our segments. EBITDA is used by management to internally 
measure our operating and management performance and to evaluate the performance of our business. However, this 

33 

 
 
 
 
 
 
 
 
 
 
measure should be considered in addition to, not as a substitute for or superior to, income from operations or other 
measures of financial performance prepared in accordance with GAAP.  

Segment  Revenues.  CoStar  Property  Professional,  CoStar  Tenant,  and  CoStar  COMPS  Professional  are 
generally sold as a suite of similar services and comprise our primary service offering in our U.S. operating segment. 
U.S. revenues increased to $191.6 million from $190.1 million for the years ended December 31, 2009 and 2008, 
respectively. This increase in U.S. revenue is due to additional revenues of approximately $8.5 million included as a 
result  of  our  July  2009  acquisition  of  PPR,  partially  offset  by  a  decrease  of  approximately  $7.0  million  in  U.S. 
revenues  due  to  decreased  sales  resulting  from  a  difficult  commercial  real  estate  and  economic  environment. 
FOCUS  is  our  primary  service  offering  in  our  International  operating  segment.    International  revenues  decreased 
approximately $4.3 million primarily due to foreign currency fluctuations, partially offset by intersegment revenues 
of  approximately  $900,000  attributable  to  services  performed  by  Property  and  Portfolio  Research  Ltd.  for  PPR.  
Intersegment revenues are eliminated from total revenues. 

Segment EBITDA. U.S. EBITDA decreased to $47.7 million from $58.8 million for the years ended December 
31, 2009 and 2008, respectively. The decrease in U.S. EBITDA was due primarily to additional costs incurred by 
PPR, which we acquired in July of 2009 and increased legal fees. International EBITDA decreased to a loss of $1.2 
million for the year ended December 31, 2009 from a $2.2 million loss for the year ended December 31, 2008. This 
decreased loss is primarily due to a lower corporate allocation in 2009 as compared to 2008. International EBITDA 
includes a corporate allocation of approximately $500,000 and $1.1 million for the years ended December 31, 2009 
and  2008,  respectively.  The  corporate  allocation  represents  costs  incurred  for  U.S.  employees  involved  in 
international management and expansion activities. 

Comparison of Year Ended December 31, 2008 and Year Ended December 31, 2007 

Revenues. Revenues grew to $212.4 million in 2008, from $192.8 million in 2007. This increase in revenue was 
due to further penetration of our subscription-based information and marketing services, and successful cross-selling 
of our services to our customers in existing markets, combined with continued high renewal rates. Our subscription-
based  information  services  consist  primarily  of  CoStar  Property  Professional,  CoStar  Tenant,  CoStar  COMPS 
Professional, FOCUS services and Propex services. As of December 31, 2008, our subscription-based information 
and marketing services represented more than 90% of our total revenues. 

Gross  Margin.  Gross  margin  increased  to  $139.0  million  in  2008,  from  $116.1  million  in  2007.  The  gross 
margin  percentage  increased  to  65.4%  in  2008,  from  60.2%  in  2007.  The  increase  in  the  gross  margin  resulted 
principally from revenue growth from our subscription-based information and marketing services and a decrease in 
cost of revenues. Cost of revenues decreased to $73.4 million for the  year ended December 31, 2008, from $76.7 
million  for  the  year  ended  December  31, 2007  principally  due  to  expansion  costs  that  were  incurred  in  2007  that 
were not incurred in 2008. 

Selling  and  Marketing  Expenses.  Selling  and  marketing  expenses  decreased  to  $41.7  million  in  2008,  from 
$51.8  million  in  2007,  and  decreased  as  a  percentage  of  revenues  to  19.6%  in  2008,  from  26.9%  in  2007.  The 
decrease  was principally due  to a reduction in personnel costs of approximately $5.4  million primarily due to the 
fact that the  sales  force sold services  with a smaller average price point in 2008, which resulted in lower average 
contract values compared to 2007. Additionally, there was a decrease in marketing initiatives of approximately $2.3 
million in 2008. 

Software Development Expenses. Software development expenses slightly increased to $12.8 million in 2008, 
from  $12.5  million  in  2007,  and  slightly  decreased  as  a  percentage  of  revenues  to  6.0%  in  2008,  from  6.5%  in 
2007.  The decrease in the percentage was primarily due to increased revenues in 2008. 

General and Administrative Expenses. General and administrative expenses increased to $39.9 million in 2008, 
from $36.6 million  in 2007, and decreased slightly as a percentage of revenues to 18.8% in 2008, from 19.0% in 
2007. The increase in the amount of general and administrative expenses was principally a result of an increase of 
approximately $2.5 million in legal fees and an increase of $1.6 million in bad debt expense. 

34 

 
 
 
 
  
 
 
 
 
Gain on Lease Settlement, Net. On September 14, 2007, CoStar U.K Limited, a wholly owned U.K. subsidiary 
of  CoStar,  entered  into  an  agreement  with  Trafigura  Limited  to  assign  to  Trafigura  our  leasehold  interest  in  our 
office space located in London. The lease assignment was effective on December 19, 2007. As a result, CoStar U.K. 
Limited  was  paid  $7.6  million,  net  of  expenses,  for  the  assignment  of  the  lease.  There  were  no  gains  on  lease 
settlements in 2008. 

Purchase Amortization. Purchase amortization slightly decreased to $4.9 million in 2008, from $5.1 million in 

2007, and slightly decreased as a percentage of revenues to 2.3% in 2008, from 2.6% in 2007. 

Interest  and  Other  Income,  Net.  Interest  and  other  income,  net  decreased  to  $4.9  million  in  2008,  from  $8.0 
million  in  2007.  Although,  cash  and  cash  equivalents,  short-term  and  long-term  investments  were  higher  in  2008 
than in 2007, our interest and other income decreased due to lower average interest rates in 2008 compared to 2007. 

Income  Tax  Expense,  Net.  Income  tax  expense,  net  increased  to  $20.1  million  in  2008,  from  $9.9  million  in 
2007.  This  increase  was  primarily  due  to  higher  income  before  income  taxes  for  2008  due  to  our  growth  and 
profitability, in addition to a higher effective tax rate in 2008.  The effective tax rate was lower in 2007 due to the 
gain on lease settlement in the U.K. that was completed in December 2007.  The lease settlement resulted in income 
in the U.K., which reduced the overall effective tax rate. 

Comparison of Business Segment Results for Year Ended December 31, 2008 and Year Ended December 31, 
2007 

Due to the increased size, complexity and funding requirements associated with our international expansion, in 
2007  we  began  to  manage  our  business  geographically  in  two  operating  segments,  with  our  primary  areas  of 
measurement  and  decision-making  being  the  U.S.  and  International,  which  includes  the  U.K.  and  France. 
Management  relies  on  an  internal  management  reporting  process  that  provides  segment  revenue  and  EBITDA, 
which  is  our  net  income  before  interest,  income  taxes,  depreciation  and  amortization.  Management  believes  that 
segment EBITDA is an appropriate measure for evaluating the operational performance of our segments. EBITDA 
is  used  by  management  to  internally  measure  our  operating  and  management  performance  and  to  evaluate  the 
performance of our business. However, this measure should be considered in addition to, not as a substitute for or 
superior to, income from operations or other measures of financial performance prepared in accordance with GAAP. 

Segment  Revenues.  CoStar  Property  Professional,  CoStar  Tenant,  and  CoStar  COMPS  Professional  are 
generally sold as a suite of similar services and comprise our primary service offering in our U.S. operating segment. 
U.S. revenues increased to $190.1 million from $170.3 million for the years ended December 31, 2008 and 2007, 
respectively. This increase in U.S. revenue is due to further penetration of our U.S. subscription-based information 
and marketing services and the successful cross-selling of our service to our customers, combined with a continued 
high  renewal  rate.  FOCUS  is  our  primary  service  offering  in  our  International  operating  segment.  International 
revenues slightly decreased to $22.4 million from $22.5 million for the years ended December 31, 2008 and 2007, 
respectively.  This  decrease  is  due  to  foreign  currency  fluctuations.  In  their  functional  currency,  International 
revenues increased 7.2% for the year ended December 31, 2008 compared to the year ended December 31, 2007. 

Segment EBITDA. U.S. EBITDA increased to $58.8 million from $32.9 million for the years ended December 
31, 2008 and 2007, respectively. The increase in U.S. EBITDA was due to increased revenues, and lower sales and 
marketing personnel costs, partially offset by an increase in legal fees and bad debt expense. International EBITDA 
decreased to a loss of $2.2  million  from $1.1  million earnings  for the  years ended December 31, 2008 and 2007, 
respectively. This decrease is primarily due to gain on lease settlement of $7.6 million in 2007 that did not occur in 
2008. International EBITDA also includes a corporate allocation of approximately $1.1 million and $2.6 million for 
the years ended December 31, 2008 and 2007, respectively. The corporate allocation represents costs incurred for 
U.S. employees involved in international management and expansion activities. 

35 

 
 
 
 
 
   
 
 
 
 
 
 
 
Consolidated Quarterly Results of Operations 

The  following  tables  summarize  our  consolidated  results  of  operations  on  a  quarterly  basis  for  the  indicated 

periods (in thousands, except per share amounts, and as a percentage of total revenues): 

  Mar. 31   

Revenues .........................   $  52,264 
  19,721 
Cost of revenues ..............  
  32,543 
Gross margin ...................  
  25,313 
Operating expenses .........  
Income from operations...  
7,230 
Interest and other income, 
net ...............................  

1,938 

Jun. 30 
  $  53,478 
  18,341 
  35,137 
  26,627 
8,510 

2008 

Sep. 30 
  $  53,757 
  17,613 
  36,144 
  24,864 
  11,280 

2009 

  Dec. 31 
  $  52,929 
  17,733 
  35,196 
  22,428 
  12,768 

  Mar. 31 
  $  51,370 
  16,894 
  34,476 
  23,735 
  10,741 

Jun. 30 

Sep. 30 

  $  50,064    $  53,590 
  19,149 
  34,441 
  27,490 
6,951 

16,744   
33,320   
25,129   
8,191   

  Dec. 31 
  $  54,635 
  20,927 
  33,708 
  27,756 
5,952 

1,243 

951 

782 

442 

322     

263 

226 

Income before income 

taxes ............................  
Income tax expense, net ..  
Net income  .....................   $ 
Net income per share − 

9,168 
4,126 
5,042 

     9,753 
4,318 
5,435 

  $ 

12,231 
5,586 
  $  6,645 

13,550 
6,049 
7,501 

  $ 

11,183 
5,077 
6,106 

  $ 

basic ............................  

$  

0.26 

$ 

0.28 

$ 

0.34 

$ 

0.39 

$ 

0.31 

Net income per share − 

diluted .........................  

$ 

0.26 

$ 

0.28 

$ 

0.34 

$ 

0.38 

$ 

0.31 

7,214 
8,513   
3,897   
2,889 
4,616    $  4,325 

  $ 

6,178 
2,532 
3,646 

0.24 

$ 

0.22 

$ 

0.18 

0.24 

$ 

0.22 

$ 

0.18 

  $ 

$ 

$ 

2008 

2009 

  Mar. 31 
  100.0  %  
37.7 
62.3 
48.5 
13.8 

Jun. 30 
  100.0  %  
34.3 
65.7 
49.8 
15.9 

Sep. 30 
  100.0  %  
32.8 
67.2 
46.2 
21.0 

  Dec. 31 

  Mar. 31 

Jun. 30 

  Sep. 30 

  Dec. 31 

  100.0  %  
33.5 
66.5 
42.4 
24.1 

  100.0  %  
32.9 
67.1 
46.2 
20.9 

100.0  %  
33.4 
66.6     
50.2     
16.4     

  100.0  %  
     35.7 
64.3 
51.3 
13.0 

  100.0  % 
38.3 
61.7 
50.8 
10.9 

3.7 

2.3 

1.8 

1.5 

0.9 

0.6       

0.5 

0.4 

17.5 
7.9 
9.6  %  

18.2 
8.0 
10.2  %  

22.8 
10.4 
12.4  %  

25.6 
11.4 
14.2  %  

21.8 
9.9 
11.9  %  

17.0   

7.8     
9.2  %  

13.5 
5.4 
8.1  %   

11.3 
4.6 
6.7  % 

Revenues .........................  
Cost of revenues ..............  
Gross margin ...................  
Operating expenses .........  
Income from operations...  
Interest and other income, 
net ...............................  

Income before income 

taxes ............................  
Income tax expense, net ...    
Net income ......................  

Recent Acquisitions 

First  CLS,  Inc.  On  April  1,  2008,  we  acquired  certain  assets  of  First  CLS,  Inc.  (doing  business  as  the  Dorey 
Companies and DoreyPRO), an Atlanta-based provider of local commercial real estate information for $3.0 million 
in initial cash consideration and deferred consideration of $1.7 million paid during the third quarter of 2009. 

PPR. On July 17, 2009, we acquired all of the issued and outstanding equity securities of PPR, and its wholly 
owned subsidiary Property and Portfolio Research Ltd., providers of real estate analysis, market forecasts and credit 
risk analytics to the commercial real estate industry. We acquired PPR from DMG Information, Inc. (“DMGI”) in 
exchange for 572,999 shares of CoStar common stock, which had an aggregate value of approximately $20.9 million 
as  of  the  closing  date.  On  July  17,  2009,  433,667  shares  of  our  common  stock  were  issued  to  DMGI,  and  the 
remaining  139,332  shares  were  issued  to  DMGI  on  September  28,  2009  after  taking  into  account  post-closing 
purchase price adjustments. 

Resolve  Technology.  On  October  19,  2009,  we  acquired  all  of  the  outstanding  capital  stock  of  Resolve 
Technology,  a  Delaware  corporation,  for  approximately  $4.5  million,  consisting  of  approximately  $3.4  million  in 
cash and 25,886 shares, or approximately $1.1 million, of CoStar restricted common stock, which shares are subject 
to  a  three-year  lockup.   The  purchase  price  is  subject  to  certain  post-closing  adjustments.  Additionally,  the  seller 
may  be  entitled  to  receive  (i)  a  potential  deferred  cash  payout  two  years  after  closing  based  on  the  incremental 
growth of Resolve Technology’s revenue, and (ii) other potential deferred cash payouts for successful completion of 

36 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
   
 
   
 
   
 
 
 
 
 
 
 
 
 
 
 
 
  
 
  
 
  
 
  
 
  
 
 
 
 
 
 
  
 
  
 
  
 
  
 
  
 
 
 
 
 
 
 
  
 
  
 
  
 
  
 
  
 
 
 
 
 
 
 
  
 
  
 
  
 
  
 
  
 
 
 
 
 
 
 
  
 
    
    
  
 
    
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
  
 
  
 
  
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
operational and sales milestones during the period from closing through June 30, 2013, which period may be subject 
to extension to a date no later than December 31, 2014.    

Accounting  Treatment.  These  acquisitions  were  accounted  for  using  purchase  accounting.  The  purchase  price 
for the First CLS, Inc. acquisition was primarily allocated to acquired customer base and goodwill. For each of the 
PPR  and  Resolve  Technology  acquisitions,  the  purchase  price  was  allocated  to  various  working  capital  accounts, 
developed  technology,  customer  base,  trademarks,  non-competition  agreements  and  goodwill.    The  acquired 
customer  base  for  the  acquisitions,  which  consists  of  one  distinct  intangible  asset  for  each  acquisition  and  is 
composed  of  acquired  customer  contracts  and  the  related  customer  relationships,  is  being  amortized  on  a  125% 
declining  balance  method  over  ten  years.  The  identified  intangibles  will  be  amortized  over  their  estimated  useful 
lives.  Goodwill for these acquisitions will not be amortized, but is subject to annual impairment tests.  The results of 
operations  of  First  CLS,  Inc.,  PPR,  and  Resolve  Technology  have  been  consolidated  with  those  of  the  Company 
since  the  respective  dates  of  the  acquisitions  and  are  not  considered  material  to  our  consolidated  financial 
statements. Accordingly, pro forma financial information has not been presented for any of the acquisitions. 

Liquidity and Capital Resources 

Our  principal  sources  of  liquidity  are  cash,  cash  equivalents  and  short-term  investments.  Total  cash,  cash 
equivalents and short-term investments were $226.0 million at December 31, 2009 compared to $195.3 million at 
December 31, 2008. The increase in cash, cash equivalents and short-term investments for the year ended December 
31, 2009 was primarily due to net cash from operating activities of approximately $39.6 million, net cash provided 
from financing activities of approximately $2.2 million, partially offset by purchases of property and equipment and 
other assets of approximately $10.5 million, and net cash paid for acquisitions of approximately $3.2 million.  

Net cash provided by operating activities for the year ended December 31, 2009 was $39.6 million compared to 
$40.9 million for the year ended December 31, 2008. The $1.3 million decrease in net cash provided by operating 
activities  is  primarily  due  to  a  decrease  of  approximately  $5.5  million  from  net  income  plus  non-cash  items,  a 
decrease of approximately $4.7 million due to changes in prepaid expenses and deposits, and decreased cash receipts 
for deferred revenue of $1.1 million, partially offset by decreased payments for accounts payable and other liabilities 
of approximately $5.7 million and $4.3 million in increased cash receipts on receivables.   

Net cash provided by investing activities was $3.4 million for the year ended December 31, 2009, compared to 
net cash provided by investing activities of $52.4 million for the year ended December 31, 2008. This $49.0 million 
decrease in net cash provided by investing activities was primarily due to the decision in 2008 to invest in money 
market  funds  and  U.S.  treasuries  instead  of  short-term  investment  instruments,  which  resulted  in  a  net  sale  of 
investments of approximately $59.1 million for the year ended December 31, 2008 compared to sales of investments 
of approximately $17.2 million for the year ended December 31, 2009.   

Net cash provided by financing activities was $2.2 million for the year ended December 31, 2009 compared to 
$11.5  million  for  the  year  ended  December  31,  2008.   The  change  is  due  to  decreased proceeds  from  exercise  of 
stock options. 

Contractual Obligations. The following table summarizes our principal contractual obligations at December 31, 
2009  and  the  effect  such  obligations  are  expected  to  have  on  our  liquidity  and  cash  flows  in  future  periods  (in 
thousands):  

Operating leases ............................................................     $  26,225   $  10,530   $ 
Purchase obligations(1)  .................................................    
Total contractual principal cash obligations..................     $  33,261   $  13,457   $ 

2,927   

7,036  

11,751   $ 
2,746  
14,497   $ 

Total 

2010 

  2011-2012 

  2013-2014   

2015 and 
thereafter  
883 
600 
1,483 

3,061   $ 
763  
3,824   $ 

(1)Amounts do not include (i) contracts with initial terms of twelve months or less, or (ii) multi-year contracts that may be 
terminated  by  a  third  party  or  us.    Amounts  do  not  include  unrecognized  tax  benefits  of  $1.9  million  due  to  uncertainty 
regarding the timing of future cash payments. 

37 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
In February 2010, we purchased a 169,429 square-foot LEED Gold certified office building located at 1331 L 

Street, NW in downtown Washington, D.C. for a purchase price of $41.25 million in cash. 

During  2009,  we  incurred  capital  expenditures  of  approximately  $10.5  million.  We  expect  to  make  capital 

expenditures in 2010 of approximately $20.0 million to $25.0 million.   

To date, we have grown in part by acquiring other companies and we may continue to make acquisitions.  Our 
acquisitions may vary in size and could be material to our current operations. We may use cash, stock, debt or other 
means of funding to make these acquisitions.  We paid $3.0 million in initial cash consideration in April 2008 and 
$1.7  million  in  deferred  consideration  in  August  2009  for  the  online  commercial  real  estate  information  assets  of 
First CLS, Inc., an Atlanta-based provider of local commercial real estate information. In the third quarter of 2009, 
we issued 572,999 shares of common stock to DMGI, Inc. for all of the issued and outstanding capital stock of PPR 
and its wholly owned subsidiary.  In October 2009, we acquired Resolve Technology for approximately $3.4 million 
($2.9 million was paid upon acquisition and $450,000 was deferred until February 2010) in cash and 25,886 shares 
of CoStar common stock.  Additionally, the seller may be entitled to receive (i) a potential deferred cash payout two 
years  after  closing  based  on  the  incremental  growth  of  Resolve  Technology’s  revenue,  and  (ii)  other  potential 
deferred  cash  payouts  for  successful  completion  of  additional  operational  and  sales  milestones  during  the  period 
from closing through June 30, 2013, which period may be subject to extension to a date no later than December 31, 
2014. 

Based  on  current  plans,  we  believe  that  our  available  cash  combined  with  positive  cash  flow  provided  by 

operating activities should be sufficient to fund our operations for at least the next 12 months. 

As of December 31, 2009, we had $32.8 million par value of long-term investments in student loan auction rate 
securities (“ARS”), which failed to settle at auctions.  The majority of these investments are of high credit quality 
with  AAA  credit  ratings  and are  primarily  securities  supported  by  guarantees  from  the  Federal  Family  Education 
Loan  Program  (“FFELP”) of  the  U.S.  Department  of  Education.  While  we  continue  to  earn  interest  on  these 
investments,  the  investments  are  not  liquid  in  the  short  term.  In  the  event  we  need  to  immediately  access  these 
funds, we may have to sell these securities at an amount below par value.  Based on our ability to access our cash, 
cash  equivalents  and  other  short-term  investments  and our  expected  operating  cash  flows, we  do  not  anticipate 
having to sell these investments below par value in order to operate our business in the foreseeable future. 

On  December  23,  2008,  the  Company  initiated  a  Financial  Industry  Regulatory  Authority  (“FINRA”) 
arbitration  against  Credit  Suisse  First  Boston  (“CSFB”)  related  to  CSFB’s  purchase  of  ARS  for  the  Company’s 
account.  Our complaint asserts breach of contract, fraud, breach of fiduciary duty and other causes of action.  An 
arbitration  hearing  was  originally  scheduled  to  begin  during  the  week  beginning  December  7,  2009,  but  was 
rescheduled at the request of CSFB and is now set to begin on March 8, 2010.  We expect to receive a ruling on its 
claim during the second quarter of 2010.  Since the outcome of this legal proceeding is  uncertain at this time,  we 
cannot estimate the amount of gain or loss, if any, that could result from the resolution of this matter. 

Recent Accounting Pronouncements 

In  February  2007,  the  FASB  issued  authoritative  guidance  on  the  fair  value  option  for  financial  assets  and 
financial liabilities, which permits entities to choose to measure many financial instruments and certain other items 
at fair value that are not currently required to be measured at fair value. This guidance is effective for fiscal years 
beginning  on  or  after  December  31, 2007.  We  adopted  this  guidance  on  January  1,  2008  and  have  not  elected  to 
apply the fair value option to any of our financial instruments.  The adoption of this guidance did not have a material 
impact on our results of operations or financial position. 

In  December 2007,  the  FASB  issued  authoritative  guidance  on  business  combinations,  which  changes  the 
accounting for any business combination we enter into with an acquisition date after December 31, 2008. Under this 
guidance, an acquiring entity is required to recognize all the assets acquired and liabilities assumed in a transaction 
at  the  acquisition  date  fair  value  with  limited  exceptions.  This  guidance  changes  the  accounting  treatment  and 
disclosure for certain specific items in a business combination.  We adopted this guidance on January 1, 2009 and 
have recorded assets acquired and liabilities assumed at fair value.   

38 

 
 
 
 
 
 
 
 
In December 2007, the FASB issued authoritative guidance on non-controlling interest, which establishes new 
accounting and reporting standards for the non-controlling interest in a subsidiary and for the deconsolidation of a 
subsidiary.  This  guidance  is  effective  for  fiscal  years  beginning  on  or  after  December 15,  2008.  We  adopted  this 
guidance  on  January  1,  2009.  The  adoption  of  this  guidance  did  not  have  a  material  impact  on  our  results  of 
operations or financial position. 

In  April  2008,  the  FASB  issued  authoritative  guidance  on  existing  intangibles  or  expected  future  cash  flows 
from those intangibles, which is effective for all fiscal years and interim periods beginning after December 15, 2008. 
Early  adoption  of  this  guidance  is  not  permitted.  This  guidance  requires  additional  footnote  disclosures  about  the 
impact of our ability or intent to renew or extend agreements related to existing intangibles or expected future cash 
flows from those intangibles, how we account for costs incurred to renew or extend such agreements, the time until 
the next renewal or extension period by asset class, and the amount of renewal or extension costs capitalized, if any. 
For  any  intangibles  acquired  after  December  31,  2008,  this  guidance  requires  that  we  consider  our  experience 
regarding renewal and extensions of similar arrangements in determining the useful life of such intangibles. If we do 
not  have  experience  with  similar  arrangements,  this  guidance  requires  that  we  use  the  assumptions  of  a  market 
participant putting the intangible to its highest and best use in determining the useful life. We adopted this guidance 
on  January  1,  2009. The  adoption  of  this  guidance  did  not  have  a  material  impact  on  our  results  of  operations  or 
financial position. 

In  June  2008,  the  FASB  issued  authoritative  guidance  related  to  determining  whether  instruments  granted  in 
share-based  payment  transactions  are  participating  securities.    This  guidance  clarifies  that  unvested  share-based 
payment  awards  with  a  right  to  receive  non-forfeitable  dividends  are  participating  securities.  This  guidance  is 
effective  for  all  annual  and  interim  periods  beginning  after  December  15,  2008.  Adoption  of  this  standard  will 
require  the  two-class  method  of  calculating  basic  earnings  per  share  to  the  extent  that  unvested  share-based 
payments  have the right to receive non-forfeitable dividends. We adopted this guidance on January 1, 2009.  The 
adoption of this guidance did not have a material impact on our results of operations or financial position. 

In  April  2009,  the  FASB  issued  authoritative  guidance  related  to  the  initial  recognition,  measurement  and 
subsequent accounting for assets and liabilities arising from pre-acquisition contingencies in a business combination. 
It requires that such assets acquired or liabilities assumed be initially recognized at fair value at the acquisition date 
if fair value can be determined during the measurement period. When fair value cannot be determined, companies 
should  typically  account  for  the  acquired  contingencies  using  existing  guidance.  This  guidance  requires  that 
companies expense acquisition and deal-related costs that were previously allowed to be capitalized.  This guidance 
also  requires  that  a  systematic  and  rational  basis  for  subsequently  measuring  and  accounting  for  the  assets  or 
liabilities  be  developed  depending  on  their  nature.  This  guidance  was  effective  for  contingent  assets  or  liabilities 
arising  from  business  combinations  with  an  acquisition  date  on  or  after  January  1,  2009.   The  adoption  of  this 
guidance changes the accounting treatment and disclosure for certain specific items in a business combination with 
an acquisition date subsequent to December 31, 2008.  We adopted this guidance on January 1, 2009, and expensed 
acquisition and deal-related costs associated primarily with the acquisitions of PPR and Resolve Technology. 

In April 2009, the FASB issued authoritative guidance for determining whether a market is active or inactive, 
and  whether a transaction is distressed.  This guidance is applicable to all assets and liabilities (financial and non-
financial) and will require enhanced disclosures. We adopted this guidance for our interim period ending June 30, 
2009. The adoption of this guidance did not have a material impact on our results of operations or financial position, 
but did require additional disclosures in our financial statements. 

In  April  2009,  the  FASB  issued  authoritative  guidance  requiring  disclosures  in  interim  reporting  periods 
concerning  the  fair  value  of  financial  instruments  that  were  previously  only  required  in  the  annual  financial 
statements. We adopted the provisions of this guidance for our interim period ending June 30, 2009. The adoption of 
this  guidance  did  not  have  a  material  impact  on  our  results  of  operations  or  financial  position,  but  did  require 
additional disclosures in our financial statements.  

In April 2009, the FASB issued authoritative guidance that redefines what constitutes an other-than-temporary 
impairment,  defines  credit  and  non-credit  components  of  an  other-than-temporary  impairment,  prescribes  their 
financial  statement  treatment,  and  requires  enhanced  disclosures  relating  to  such  impairments.  We  adopted  this 

39 

 
  
 
 
 
 
guidance for our interim period ending June 30, 2009. The adoption of this guidance did not have a material impact 
on our results of operations or financial position, but did require additional disclosures in our financial statements. 

In May 2009, the FASB issued authoritative guidance which establishes general standards of accounting for and 
disclosure of events that occur after the balance sheet date but before financial statements are issued. This guidance 
was effective for all interim and annual reporting periods ending after June 15, 2009. This guidance has not and is 
not expected to result in significant changes in the subsequent events that we report, either through recognition or 
disclosure, in our financial statements. 

In June 2009, the FASB issued authoritative guidance to amend the manner in which entities evaluate whether 
consolidation is required for variable interest entities (VIE).  Previously, variable interest holders were required to 
determine whether they had a controlling financial interest in a VIE based on a quantitative analysis of the expected 
gains  and/or  losses  of  the  entity.  The  new  guidance  requires  an  enterprise  with  a  variable  interest  in  a  VIE  to 
qualitatively assess whether it has a controlling financial interest in the entity, and if so, whether it is the primary 
beneficiary.  This  guidance  also  requires  that  companies  continually  evaluate  VIEs  for  consolidation,  rather  than 
assessing whether consolidation is required based upon the occurrence of triggering events.  This guidance enhances 
disclosures to provide financial statement  users  with  greater transparency about transfers of  financial assets and a 
transferor’s  continuing  involvement  with  transferred  financial  assets.  This  guidance  will  be  effective  for  the  first 
annual reporting period beginning after November 15, 2009. This guidance is not expected to materially impact our 
results of operations, financial position or related disclosures. 

In June 2009, the FASB issued authoritative guidance which replaced the previous hierarchy of U.S. GAAP and 
establishes the FASB Codification as the single source of authoritative U.S. GAAP recognized by the FASB to be 
applied  by  nongovernmental  entities.  This  guidance  is  effective  for  financial  statements  issued  for  interim  and 
annual periods ending after September 15, 2009. This guidance did not materially impact our results of operations or 
financial position, but did require changes to our disclosures in our financial statements. 

In July 2009, the FASB issued authoritative guidance to improve the consistency with which companies apply 
fair value measurements guidance to liabilities.  This guidance is effective for interim and annual periods beginning 
after  September  30,  2009.  This  guidance  is  not  expected  to  materially  impact  our  results  of  operations,  financial 
position or related disclosures. 

In October 2009, the FASB issued authoritative guidance that amends existing guidance for identifying separate 
deliverables  in  a  revenue-generating  transaction  where  multiple  deliverables  exist,  and  provides  guidance  for 
measuring  and  allocating  revenue  to  one  or  more  units  of  accounting.  In  addition,  the  FASB  issued  authoritative 
guidance  on  arrangements  that  include  software  elements.    Under  this  guidance,  tangible  products  containing 
software components and non-software components that are essential to the functionality of the tangible product will 
no  longer  be  within  the  scope  of  the  software  revenue  recognition  guidance.  This  guidance  is  effective  using  the 
prospective application or the retrospective application for revenue arrangements entered into or materially modified 
in fiscal years beginning on or after June 15, 2010 with earlier application permitted. We are currently assessing the 
impacts adoption of this guidance may have on our financial statements. 

In  January  2010,  the  FASB  issued  authoritative  guidance  that  amends  the  disclosure  requirements  related  to 
recurring  and  nonrecurring  fair  value  measurements.  This  guidance  requires  new  disclosures  on  the  transfers  of 
assets and liabilities between Level 1 (assets and liabilities measured using observable inputs such as quoted prices 
in  active  markets)  and  Level  2  (assets  and  liabilities  measured  using  inputs  other  than  quoted  prices  in  active 
markets  that  are  either  directly  or  indirectly  observable)  of  the  fair  value  measurement  hierarchy,  including  the 
amount  and  reason  of  the  transfers.  Additionally,  this  guidance  requires  a  roll  forward  of  activities  on  purchases, 
sales, issuance, and settlements of the assets and liabilities measured using significant unobservable inputs (Level 3 
fair  value  measurements).  This  guidance  is  effective  for  interim  and  annual  reporting  periods  beginning  after 
December  15,  2009,  with  the  exception  of  the  additional  disclosure  for  Level  3  assets  and  liabilities,  which  is 
effective for fiscal years beginning after December 15, 2010, and for interim periods within those fiscal years. This 
guidance is not expected to materially impact our results of operations or financial position, but will require changes 
to our disclosures in our interim and annual financial statements. 

40 

 
 
 
 
 
 
 
 
Item 7A.  Quantitative and Qualitative Disclosures About Market Risk  

We  provide  information,  marketing  and  analytic  services  to  the  commercial  real  estate  and  related  business 
community in the U.S., U.K. and France. Our functional currency for our operations in the U.K. and France is the 
local currency. As such, fluctuations in the British Pound and Euro may have an impact on our business, results of 
operations and financial position. For the year ended December 31, 2009, revenue denominated in foreign currencies 
was  approximately  9.1%  of  total  revenue.    For  the  year  ended  December  31,  2009,  our  revenue  would  have 
decreased by approximately $1.9 million if the U.S. dollar exchange rate used strengthened by 10%.  In addition, we 
have assets and liabilities denominated in foreign currencies.  A 10% strengthening of the U.S. dollar exchange rate 
against  all  currencies  with  which  we  have  exposure  at  December  31,  2009  would  have  resulted  in  an  increase  of 
approximately $210,000 in the carrying amount of net assets. For the year ended December 31, 2009, our revenue 
would  have  increased  by  approximately  $1.9  million  if  the  U.S.  dollar  exchange  rate  used  weakened  by  10%.  In 
addition,  we  have  assets  and  liabilities  denominated  in  foreign  currencies.    A  10%  weakening  of  the  U.S.  dollar 
exchange rate against all currencies with which we have exposure at December 31, 2009 would have resulted in a 
decrease  of  approximately  $210,000  in  the  carrying  amount  of  net  assets.  We  currently  do  not  use  financial 
instruments to hedge our exposure to exchange rate  fluctuations  with respect to our  foreign  subsidiaries. We  may 
seek to enter hedging transactions in the future to reduce our exposure to exchange rate fluctuations, but we may be 
unable  to  enter  into  hedging  transactions  successfully,  on  acceptable  terms  or  at  all.    As  of  December  31,  2009, 
accumulated  other  comprehensive  loss  included  a  loss  from  foreign  currency  translation  adjustments  of 
approximately $4.9 million. 

We  do  not  have  material  exposure  to  market  risks  associated  with  changes  in  interest  rates  related  to  cash 
equivalent securities held as of December 31, 2009.  As of December 31, 2009, we had $226.0 million of cash, cash 
equivalents  and short-term  investments.    If  there  is  an  increase  or  decrease  in  interest  rates,  there  will  be  a 
corresponding  increase  or  decrease  in  the  amount  of  interest  earned  on  our  cash,  cash  equivalents  and short-term 
investments.  Based on our ability to access our cash, cash equivalents and short-term investments, and our expected 
operating cash flows, we do not believe that increases or decreases in interest rates will impact our ability to operate 
our business in the foreseeable future. 

Included  within  our  long-term  investments  are  investments  in  mostly  AAA  rated  student  loan  ARS.    These 
securities  are  primarily  securities  supported by  guarantees  from  the  FFELP  of  the  U.S.  Department  of  Education.  
As of December 31, 2009, auctions for $32.8 million of our investments in auction rate securities failed.  As a result, 
we may not be able to sell these investments at par value until a future auction on these investments is successful. In 
the event  we need to immediately liquidate these investments,  we  may  have to locate a  buyer outside the auction 
process, who may be unwilling to purchase the investments at par, resulting in a loss.  Based on an assessment of 
fair value of these investments in ARS as of December 31, 2009, we determined that there was a decline in the fair 
value of our ARS investments of approximately $3.0 million, which was deemed to be a temporary impairment and 
recorded as an unrealized loss in accumulated other comprehensive loss in stockholders’ equity.  If the issuers are 
unable  to  successfully  close  future  auctions  and  their  credit  ratings  deteriorate,  we  may  be  required  to  adjust  the 
carrying  value  of  these  investments  as  a  temporary  impairment  and  recognize  a  greater  unrealized  loss  in 
accumulated other comprehensive loss or as an other-than-temporary impairment charge to earnings. Based on our 
ability to access our cash, cash equivalents and short-term investments, and our expected operating cash flows, we 
do not anticipate having to sell these securities below par value in order to operate our business in the foreseeable 
future.  See Note 2 to the consolidated financial statements for further discussion. 

We have approximately $103.7 million in intangible assets as of December 31, 2009. As of December 31, 2009, 
we believe our intangible assets  will be recoverable, however, changes in the economy, the business in  which  we 
operate  and  our  own  relative  performance  could  change  the  assumptions  used  to  evaluate  intangible  asset 
recoverability. In the event that we determine that an asset has been impaired, we would recognize an impairment 
charge  equal  to  the  amount  by  which  the  carrying  amount  of  the  assets  exceeds  the  fair  value  of  the  asset.  We 
continue to monitor these assumptions and their effect on the estimated recoverability of our intangible assets. 

41 

 
 
 
 
 
 
 
 
 
Item 8. 

Financial Statements and Supplementary Data 

Financial  Statements  meeting  the  requirements  of  Regulation  S-X  are  set  forth  beginning  at  page  F-1. 
Supplementary data is set forth in “Management’s Discussion and Analysis of Financial Condition and Results of 
Operations” under the caption “Consolidated Results of Operations.” 

Item 9. 

Changes in and Disagreements with Accountants on Accounting and Financial Disclosure 

None.  

Item 9A.  Controls and Procedures 

We  maintain  disclosure  controls  and  procedures  that  are  designed  to  ensure  that  information  required  to  be 
disclosed in our reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported, 
within  the  time  periods  specified  in  the  Securities  and  Exchange  Commission’s  rules  and  forms,  and  that  such 
information is accumulated and communicated to our management, including our Chief Executive Officer and Chief 
Financial  Officer,  as  appropriate,  to  allow  for  timely  decisions  regarding  required  disclosure.  In  designing  and 
evaluating  the  disclosure  controls  and  procedures,  management  recognized  that  any  controls  and  procedures,  no 
matter  how  well  designed  and  operated,  can  provide  only  reasonable  assurance  of  achieving  the  desired  control 
objectives, and management is required to apply its judgment in evaluating the cost-benefit relationship of possible 
controls and procedures. 

As of December 31, 2009, we carried out an evaluation, under the supervision and with the participation of our 
management,  including  our  Chief  Executive  Officer  and  our  Chief  Financial  Officer,  of  the  effectiveness  of  the 
design and operation of our disclosure controls and procedures. Based on the foregoing, our Chief Executive Officer 
and Chief Financial Officer concluded that our disclosure controls and procedures were effective and were operating 
at the reasonable assurance level. 

Management’s Report on Internal Control over Financial Reporting 

Management of CoStar is responsible for establishing and maintaining adequate internal control over financial 
reporting and for the assessment of the effectiveness of internal control over financial reporting. As defined by the 
Securities  and  Exchange  Commission,  internal  control  over  financial  reporting  is  a  process  designed  by,  or 
supervised by, the Company’s principal executive and principal financial officers, to provide reasonable assurance 
regarding  the  reliability  of  financial  reporting  and  the  preparation  of  financial  statements  in  accordance  with 
generally accepted accounting principles.    

The Company’s internal control over financial reporting is supported by  written policies and procedures,  that 
(1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and 
dispositions of the Company’s assets; (2) provide reasonable assurance that transactions are recorded as necessary to 
permit  preparation  of  financial  statements  in  accordance  with  generally  accepted  accounting  principles,  and  that 
receipts and expenditures of the Company are being made only in accordance with authorizations of the Company’s 
management  and  directors;  and  (3) provide  reasonable  assurance  regarding  prevention  or  timely  detection  of 
unauthorized  acquisition,  use  or  disposition  of  the  Company’s  assets  that  could  have  a  material  effect  on  the 
financial statements.  

Because  of  its  inherent  limitations,  internal  control  over  financial  reporting  may  not  prevent  or  detect 
misstatements.  Projections of any evaluation of effectiveness to future periods are subject to the risk that controls 
may  become  inadequate  because  of  changes  in  conditions,  or  that  the  degree  of  compliance  with  the  policies  or 
procedures may deteriorate. 

In  connection  with  the  preparation  of  the  Company's  annual  financial  statements,  management  of  the 
Company  has  undertaken  an  assessment  of  the  effectiveness  of  the  Company’s  internal  control  over  financial 
reporting as of December 31, 2009 based on criteria established in Internal Control – Integrated Framework issued 
by  the  Committee  of  Sponsoring  Organizations  of  the  Treadway  Commission  (“the  COSO  Framework”).  

42 

 
 
 
 
 
 
 
 
 
 
 
Management's  assessment  included  an  evaluation  of  the  design  of  the  Company's  internal  control  over  financial 
reporting and testing of the operational effectiveness of the Company's internal control over financial reporting. 

Based  on  this  assessment,  management  did  not  identify  any  material  weakness  in  the  Company's  internal 
control, and management has concluded that the Company's internal control over financial reporting was effective 
as of December 31, 2009. 

Ernst  & Young,  LLP, the independent registered public accounting firm that audited the Company's  financial 
statements  included  in  this  report,  has  issued  an  attestation  report  on  the  effectiveness  of  internal  control  over 
financial reporting, a copy of which is included in this Annual Report on Form 10-K.  

There have been no changes in our internal control over financial reporting during our most recent fiscal quarter 
that  have  materially  affected,  or  are  reasonably  likely  to  materially  affect,  our  internal  control  over  financial 
reporting.  

Item 9B.  Other Information. 

None. 

43 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Item 10. 

Directors, Executive Officers and Corporate Governance 

PART III 

The information required by this Item is incorporated by reference to our Proxy Statement for our 2010 annual 

meeting of stockholders. 

Item 11. 

Executive Compensation 

The information required by this Item is incorporated by reference to our Proxy Statement for our 2010 annual 

meeting of stockholders. 

Item 12. 

Security Ownership of Certain Beneficial Owners and Management and Related Stockholder 
Matters 

The information required by this Item is incorporated by reference to our Proxy Statement for our 2010 annual 

meeting of stockholders. 

Item 13. 

Certain Relationships and Related Transactions, and Director Independence 

The information required by this Item is incorporated by reference to our Proxy Statement for our 2010 annual 

meeting of stockholders. 

Item 14. 

Principal Accountant Fees and Services 

The information required by this Item is incorporated by reference to our Proxy Statement for our 2010 annual 

meeting of stockholders. 

Item 15. 

Exhibits and Financial Statement Schedules 

PART IV 

(a)(1)  The  following  financial  statements  are  filed  as  a  part  of  this  report:  CoStar  Group,  Inc.  Consolidated 

Financial Statements. 

(a)(2) Financial statement schedules:  

Schedule II – Valuation and Qualifying Accounts  
Years Ended December 31, 2009, 2008, and 2007 (in thousands): 

Allowance for doubtful accounts and 
billing adjustments (1) 
Year ended December 31, 2009 ......................................................  
  $ 
Year ended December 31, 2008 ......................................................  
 $ 
 $ 
Year ended December 31, 2007  ..................................................................  

Charged to 
Expense 
4,172 
4,042 
2,464 

3,213 
2,959 
1,966 

  $ 
  $ 
  $ 

Balance at 
Beginning  
of Year 

Write-offs, 
Net of 
Recoveries 
4,522 
 $ 
3,788 
 $ 
1,471 
 $ 

Balance at End 
of Year 
2,863 
3,213 
2,959 

 $ 
 $ 
 $ 

(1)  Additions  to  the  allowance  for  doubtful  accounts  are  charged  to  bad  debt  expense.  Additions  to  the 

allowance for billing adjustments are charged against revenues. 

44 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Additional financial statement schedules are omitted because they are not applicable or not required or because 
the required information is incorporated herein by reference or included in the financial statements or related notes 
included elsewhere in this report. 

(a)(3) The documents required to be filed as exhibits to this Report under Item 601 of Regulation S-K are listed 

in the Exhibit Index included elsewhere in this report, which list is incorporated herein by reference. 

45 

 
 
 
 
 
 
 
 
 
 
 
 
SIGNATURES 

Pursuant to the requirements of Section 13 of the Securities Act of 1934, as amended, the Registrant has duly 
caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Bethesda, 
State of Maryland, on the 25th day of February 2010. 

COSTAR GROUP, INC. 

By: 

/s/ Andrew C. Florance 
Andrew C. Florance 
President and Chief Executive Officer 

KNOW  ALL  PERSONS  BY  THESE  PRESENTS,  that  each  individual  whose  signature  appears  below 
constitutes and appoints Andrew C. Florance and Brian J. Radecki, and each of them individually, as their true and 
lawful attorneys-in-fact and agents, with full power of substitution, for him and in his name, place and stead, in any 
and all capacities, to sign any and all amendments to this report, and to file the same, with all exhibits thereto and to 
all documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-
in-fact  and  agents,  and  each  of  them,  full  power  and  authority  to  do  and  perform  each  and  every  act  and  thing 
requisite and necessary to be done in connection therewith, as fully to all intents and purposes as he might or could 
do in person, herein by ratifying and confirming all that said attorneys-in-fact and agents or any of them, or his or 
their substitute or substitutes, may lawfully do or cause to be done by virtue hereof. 

Pursuant to the requirements of the Securities Act of 1934, as amended, this report has been signed by the 

following persons on behalf of the registrant and in the capacities and on the dates indicated. 

Signature 

Capacity 

Date 

/s/ Michael R. Klein 
Michael R. Klein 

/s/ Andrew C. Florance 
Andrew C. Florance 

/s/ Brian J. Radecki 
Brian J. Radecki 

/s/ David Bonderman 
David Bonderman 

/s/ Warren H. Haber 
Warren H. Haber 

/s/ Josiah O. Low, III 
Josiah O. Low, III 

/s/ Christopher Nassetta 
Christopher Nassetta 

/s/ Michael Glosserman 
Michael Glosserman 

  Chairman of the Board 

  February 25, 2010 

  Chief Executive Officer and  
  President and a Director  

(Principal Executive Officer) 

  February 25, 2010 

  Chief Financial Officer  

  February 25, 2010 

(Principal Financial and Accounting Officer) 

  February 25, 2010 

  February 25, 2010 

  February 25, 2010 

  February 25, 2010 

  February 25, 2010 

  Director  

  Director  

  Director  

  Director 

  Director 

46 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
INDEX TO EXHIBITS 

Exhibit 
No. 
2.1 

Description 
  Offer Document by CoStar Limited for the share capital of Focus Information Limited (Incorporated by 
reference  to  Exhibit  2.1  to  Amendment  No.  2  to  the  Registration  Statement  on  Form  S-3  of  the 
Registrant (Reg. No. 333-106769) filed with the Commission on August 14, 2003). 

3.1 

  Restated  Certificate  of  Incorporation  (Incorporated  by  reference  to  Exhibit  3.1  the  Registration 
Statement on Form S-1 of the Registrant (Reg. No. 333-47953) filed with the Commission on March 13, 
1998 (the “1998 Form S-1”)). 

3.2 

  Certificate of Amendment of Restated Certificate of Incorporation (Incorporated by reference to Exhibit 

3.1 to the Registrant’s Report on Form 10-Q for the quarter ended June 30, 1999). 

3.3 

  Amended and Restated By-Laws (Incorporated by reference to Exhibit 3.3 to the Registrant’s Report on 

Form 10-K for the year ended December 31, 2008). 

4.1 

  Specimen Common Stock Certificate (Incorporated by reference to Exhibit 4.1 to the Registrant’s Report 

on Form 10-K for the year ended December 31, 1999). 

*10.1 

  CoStar Group, Inc. 1998 Stock Incentive Plan, as amended (Incorporated by reference to Exhibit 10.1 to 

the Registrant’s Report on Form 10-Q for the quarter ended September 30, 2005). 

*10.2 

  CoStar Group, Inc. 2007 Stock Incentive Plan, as amended (Incorporated by reference to Exhibit 10.2 to 

the Registrant’s Report on Form 10-K for the year ended December 31, 2008). 

*10.3 

  CoStar  Group,  Inc.  2007  Stock  Incentive  Plan  French  Sub-Plan  (Incorporated  by  reference  to  Exhibit 

10.3 to the Registrant’s Report on Form 10-K for the year ended December 31, 2007). 

*10.4 

*10.5 

*10.6 

*10.7 

*10.8 

*10.9 

  Form  of  Stock  Option  Agreement  between  the  Registrant  and  certain  of  its  officers,  directors  and 
employees (Incorporated by reference to Exhibit 10.8 to the Registrant’s Report on Form 10-K for the 
year ended December 31, 2004). 

  Form  of  Stock  Option  Agreement  between  the  Registrant  and  Andrew  C.  Florance  (Incorporated  by 
reference to Exhibit 10.8.1 to the  Registrant’s Report on  Form 10-K for the  year ended December 31, 
2004). 

  Form  of  Restricted  Stock  Agreement  between  the  Registrant  and  certain  of  its  officers,  directors  and 
employees (Incorporated by reference to Exhibit 10.9 to the Registrant’s Report on Form 10-K for the 
year ended December 31, 2004). 

  Form of 2007 Plan Restricted Stock Grant Agreement between the Registrant and certain of its officers, 
directors and employees (Incorporated by reference to Exhibit 99.1 to the Registrant’s Report on Form 8-
K filed June 22, 2007). 

  Form of 2007 Plan Incentive  Stock Option  Grant  Agreement between the  Registrant and certain of its 
officers  and  employees  (Incorporated by  reference  to  Exhibit  10.8  to  the  Registrant’s  Report  on  Form 
10-K for the year ended December 31, 2008). 

  Form  of  2007  Plan  Incentive  Stock  Option  Grant  Agreement  between  the  Registrant  and  Andrew  C. 
Florance (Incorporated by reference to Exhibit 10.9 to the Registrant’s Report on Form 10-K for the year 
ended December 31, 2008). 

*10.10    Form of 2007 Plan Nonqualified Stock Option Grant Agreement between the Registrant and certain of 
its  officers  and  employees  (Incorporated  by  reference  to  Exhibit  10.10  to  the  Registrant’s  Report  on 
Form 10-K for the year ended December 31, 2008). 

*10.11    Form of 2007 Plan Nonqualified Stock Option Grant Agreement between the Registrant and certain of 
its directors (Incorporated by reference to Exhibit 10.11 to the Registrant’s Report on Form 10-K for the 
year ended December 31, 2008). 

*10.12    Form of 2007 Plan Nonqualified Stock Option Grant Agreement between the Registrant and Andrew C. 

Florance (Incorporated by reference to Exhibit 10.12 to the Registrant’s Report on Form 10-K for the 
year ended December 31, 2008). 

47 

 
 
 
 
INDEX TO EXHIBITS  (Continued) 

Exhibit 
No. 

Description 

*10.13    Form of 2007 Plan French Sub-Plan Restricted Stock Agreement between the Registrant and certain of 
its employees (Incorporated by reference to Exhibit 10.10 to the Registrant’s Report on Form 10-K for 
the year ended December 31, 2007). 

*10.14    CoStar  Group,  Inc.  Employee  Stock  Purchase  Plan  (Incorporated  by  reference  to  Exhibit  10.1  to  the 

Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2006). 

*10.15    Employment  Agreement  for  Andrew  C.  Florance  (Incorporated  by  reference  to  Exhibit  10.2  to 
Amendment No. 1 to the Registration Statement on Form S-1 of the Registrant (Reg. No. 333-47953) 
filed with the Commission on April 27, 1998). 

*10.16    First  Amendment  to  Andrew  C.  Florance  Employment  Agreement,  effective  January  1,  2009 
(Incorporated by reference to Exhibit 10.16 to the Registrant’s Report on Form 10-K for the year ended 
December 31, 2008).  

*10.17    Executive Service Contract dated February 16, 2007, between Property Investment Exchange Limited 
and Paul Marples (Incorporated by reference to Exhibit 10.14 to the Registrant’s Report on Form 10-K 
for the year ended December 31, 2007). 

*10.18    Form  of  Indemnification  Agreement  between  the  Registrant  and  each  of  its  officers  and  directors 
(Incorporated  by  reference  to  Exhibit  10.1  to  the  Registrant’s  Report  on  Form  10-Q  for  the  quarter 
ended March 31, 2004).   

10.19 

10.20 

10.21 

10.22 

10.23 

10.24 

10.25 

  Office Lease, dated August 12, 1999, between CoStar Realty Information, Inc. and Newlands Building 
Ventures, LLC (Incorporated by reference to Exhibit 10.2 to the Registrant’s Report on Form 10-Q for 
the quarter ended September 30, 1999). 

  Office Sublease, dated June 14, 2002, between CoStar Realty Information, Inc., CoStar Group, Inc. and 
Gateway, Inc. (Incorporated by reference to Exhibit 10.2 to the Registrant’s Report on Form 10-Q for 
the quarter ended June 30, 2002). 

  Exercise  of  option  to  extend  lease  term  and  sublease  amendment,  dated  February  22,  2007  between 
Gateway, Inc. and CoStar Realty Information, Inc. and CoStar Group, Inc. (Incorporated by reference to 
Exhibit 10.11 to the Registrant’s Report on Form 10-K for the year ended December 31, 2006). 

  Addendum  No.  3  to  Office  Lease,  dated  as  of  May  12,  2004,  between  Newlands  Building  Venture, 
LLC, and CoStar Realty Information, Inc. (Incorporated by reference to Exhibit 10.1 to the Registrant’s 
Report on Form 10-Q for the quarter ended June 30, 2004). 

  Office Lease, dated as of February 23, 2005, between CoStar Realty Information, Inc. and Crestpointe 
III, LLC. (Incorporated by reference to Exhibit 10.13 to the Registrant’s Report on Form 10-K for the 
year ended December 31, 2004). 

  Office Lease Agreement, dated March 16, 2007, between Corporate Place I Business Trust and CoStar 
Group, Inc. (Incorporated by reference to Exhibit 10.2 to the Registrant’s Report on Form 10-Q for the 
quarter ended March 31, 2007). 

  Agreement for Lease among Nokia U.K. Limited, Focus Information Limited and CoStar Group, Inc., 
dated  November  23,  2007  (Incorporated  by  reference  to  Exhibit  10.22  to  the  Registrant’s  Report  on 
Form 10-K for the year ended December 31, 2007). 

10.26 

  Agreement  for  Lease  between  CoStar  UK  Limited  and  Wells  Fargo  &  Company,  dated  August  25, 

2009 (filed herewith). 

10.27 

  Addendum No. 5 to Office Lease, dated as of October 23, 2009, between Newlands Building Venture, 

LLC, and CoStar Realty Information, Inc. (filed herewith). 

10.28 

  Sub-Underlease between CoStar UK Limited and Wells Fargo & Company, dated November 18, 2009 

(filed herewith). 

48 

 
 
 
INDEX TO EXHIBITS  (Continued) 

Description 

  Contract  for  Sale  and  Purchase  between  Focus  Information  Limited  and  Trafigura  Limited,  dated 
September 14, 2007 (Incorporated by reference to Exhibit 10.1 to the Registrant’s Report on Form 10-Q 
for the quarter ended September 30, 2007). 
  Subsidiaries of the Registrant (filed herewith). 
  Consent of Ernst & Young LLP, Independent Registered Public Accounting Firm (filed herewith). 
  Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 

(filed herewith). 

Exhibit 
No. 
10.29 

21.1 
23.1 
31.1 

31.2 

  Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 

(filed herewith). 

32.1 

  Certification  of  Principal  Executive  Officer  pursuant  to  18  U.S.C.  Sec.  1350,  as  adopted  pursuant  to 

Section 906 of the Sarbanes-Oxley Act of 2002 (filed herewith). 

32.2 

  Certification  of  Principal  Financial  Officer  pursuant  to  18  U.S.C.  Sec.  1350,  as  adopted  pursuant  to 

Section 906 of the Sarbanes-Oxley Act of 2002 (filed herewith). 

* Management Contract or Compensatory Plan or Arrangement. 

49 

 
 
COSTAR GROUP, INC. 

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS 

Reports of Independent Registered Public Accounting Firm ..........................................................................   F-2 
Consolidated Statements of Operations for the years ended December 31,  2007, 2008 and 2009 ................   F-4 
Consolidated Balance Sheets as of December 31, 2008 and 2009 ..................................................................   F-5 
F-6 
Consolidated Statements of Stockholders’ Equity for the years ended December 31, 2007, 2008 and 2009 
Consolidated Statements of Cash Flows for the years ended December 31, 2007, 2008 and 2009 ................   F-7 
Notes to Consolidated Financial Statements ...................................................................................................   F-8 

F-1 

 
 
 
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM 

The Board of Directors and Shareholders of CoStar Group, Inc. 

We have audited the accompanying consolidated balance sheets of CoStar Group, Inc. as of December 31, 2009 
and 2008, and the related consolidated statements of operations, stockholders’ equity and cash flows for each of the 
three years in the period ended December 31, 2009.  Our audits also included the financial statement schedule  listed 
in  the  Index  at  Item  15(a).    The  financial  statements  and  schedule  are  the  responsibility  of  the  Company’s 
management.    Our  responsibility  is  to  express  an  opinion  on  the  financial  statements  and  schedule  based  on  our 
audits. 

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board 
(United States).  Those standards require that we plan and perform the audit to obtain reasonable assurance about 
whether  the  financial  statements  are  free  of  material  misstatement.    An  audit  includes  examining,  on  a  test  basis, 
evidence  supporting  the  amounts  and  disclosures  in  the  financial  statements.  An  audit  also  includes  assessing  the 
accounting  principles  used  and  significant  estimates  made  by  management,  as  well  as  evaluating  the  overall 
financial statement presentation.  We believe that our audits provide a reasonable basis for our opinion. 

In our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated 
financial  position  of  CoStar  Group,  Inc.  at  December  31,  2009  and  2008,  and  the  consolidated  results  of  its 
operations and its cash flows for each of the three years in the period ended December 31, 2009 in conformity U.S 
generally  accepted  accounting  principles.    Also,  in  our  opinion,  the  related  financial  statement  schedule,  when 
considered in relation to the basic financial statements taken as a  whole, present fairly  in all  material respects the 
information set forth therein. 

As  also  discussed  in  Note  9  to  the  consolidated  financial  statements,  under  the  heading  Income  Taxes,  the 
Company  adopted  FASB  authoritative  guidance  regarding  Accounting  for  Uncertainty  in  Income  Taxes  effective 
January 1, 2007. 

We  also  have  audited,  in  accordance  with  the  standards  of  the  Public  Company  Accounting  Oversight  Board 
(United  States),  CoStar’s  internal  control  over  financial  reporting  as  of  December  31,  2009,  based  on  criteria 
established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the 
Treadway Commission and our report dated February 25, 2010 expressed an unqualified opinion thereon. 

/s/  Ernst & Young LLP  

McLean, Virginia 

February 25, 2010  

F-2 

  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM 

The Board of Directors and Shareholders of CoStar Group, Inc. 

We have audited CoStar Group, Inc.’s (“CoStar”) internal control over financial reporting as of December 31, 
2009,  based  on  criteria  established  in  Internal  Control—Integrated  Framework  issued  by  the  Committee  of 
Sponsoring Organizations of the Treadway Commission (the COSO criteria). CoStar’s management is responsible 
for  maintaining  effective  internal  control  over  financial  reporting,  and  for  its  assessment  of  the  effectiveness  of 
internal  control  over  financial  reporting  included  in  the  accompanying  Management’s  Report  on  Internal  Control 
over  Financial  Reporting.  Our  responsibility  is  to  express  an  opinion  on  the  company’s  internal  control  over 
financial reporting based on our audit. 

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board 
(United  States).  Those  standards  require  that  we  plan  and  perform  the  audit  to  obtain  reasonable  assurance  about 
whether  effective  internal  control  over  financial  reporting  was  maintained  in  all  material  respects.  Our  audit 
included  obtaining  an  understanding  of  internal  control  over  financial  reporting,  assessing  the  risk  that  a  material 
weakness  exists,  testing  and  evaluating  the  design  and  operating  effectiveness  of  internal  control  based  on  the 
assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe 
that our audit provides a reasonable basis for our opinion. 

A  company’s  internal  control  over  financial  reporting  is  a  process  designed  to  provide  reasonable  assurance 
regarding  the  reliability  of  financial  reporting  and  the  preparation  of  financial  statements  for  external  purposes  in 
accordance  with  generally  accepted  accounting  principles.  A  company’s  internal  control  over  financial  reporting 
includes  those  policies  and  procedures  that  (1)  pertain  to  the  maintenance  of  records  that,  in  reasonable  detail, 
accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable 
assurance  that  transactions  are  recorded  as  necessary  to  permit  preparation  of  financial  statements  in  accordance 
with generally accepted accounting principles, and that receipts and expenditures of the company are being  made 
only  in  accordance  with  authorizations  of  management  and  directors  of  the  company;  and  (3)  provide  reasonable 
assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of the company’s 
assets that could have a material effect on the financial statements. 

Because  of  its  inherent  limitations,  internal  control  over  financial  reporting  may  not  prevent  or  detect 
misstatements.  Also,  projections  of  any  evaluation  of  effectiveness  to  future  periods  are  subject  to  the  risk  that 
controls  may  become  inadequate  because  of  changes  in  conditions,  or  that  the  degree  of  compliance  with  the 
policies or procedures may deteriorate. 

In our opinion, CoStar maintained, in all material respects, effective internal control over financial reporting as 

of December 31, 2009, based on the COSO criteria. 

We  also  have  audited,  in  accordance  with  the  standards  of  the  Public  Company  Accounting  Oversight  Board 
(United  States),  the  consolidated  balance  sheets  as  of  December  31,  2009  and  2008  and  the  related  consolidated 
statements  of  operations,  stockholders’  equity  and  cash  flows  for  each  of  the  three  years  in  the  period  ended 
December 31, 2009 of CoStar Group, Inc. and our report dated February 25, 2010 expressed an unqualified opinion 
thereon. 

/s/  Ernst & Young LLP  

McLean, Virginia 

February 25, 2010  

F-3 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
CONSOLIDATED STATEMENTS OF OPERATIONS 
(in thousands, except per share data) 

Year Ended December 31, 

2007 

2008 

2009 

Revenues ...............................................................................................  $  192,805    $  212,428    $ 
Cost of revenues ....................................................................................      76,704   
 116,101   
Gross margin .........................................................................................   

73,408   
  139,020   

209,659 
73,714 
135,945 

Operating expenses: 

Selling and marketing ........................................................................      51,777   
Software development .......................................................................      12,453   
General and administrative ................................................................      36,569   
Gain on lease settlement, net ..............................................................        (7,613)   
5,063   
Purchase amortization ........................................................................     
 98,249   
Income from operations .........................................................................      17,852   
8,045   
Interest income, net ...............................................................................     
 25,897   
Income before income taxes ..................................................................   
9,946   
Income tax expense, net.........................................................................   
 15,951    $ 
Net income .............................................................................................  $ 

41,705   
12,759   
39,888   
   
4,880   
99,232   
39,788   
4,914   
44,702   
20,079   
24,623    $ 

42,508 
13,942 
44,248 
 
3,412 
104,110 
31,835 
1,253 
33,088 
14,395 
18,693 

Net income per share  basic ...............................................................  $ 
Net income per share  diluted ............................................................  $   

0.84    $ 

0.82    $ 

1.27    $ 

1.26    $ 

0.95 

0.94 

Weighted average outstanding shares  basic ......................................      19,044   
Weighted average outstanding shares  diluted ...................................      19,404   

19,372   

19,550   

19,780 

19,925 

See accompanying notes. 

F-4 

 
 
 
 
 
 
 
 
   
 
   
 
   
 
 
 
 
 
   
 
   
 
 
 
   
 
   
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
   
 
 
 
 
 
   
 
   
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
CONSOLIDATED BALANCE SHEETS 
(in thousands except per share data) 

ASSETS 

Current assets: 

Cash and cash equivalents ..........................................................................................  $ 
Short-term investments ..............................................................................................    
Accounts receivable, less allowance for doubtful accounts of approximately 

$3,213 and $2,863 as of December 31, 2008 and 2009, respectively .....................  

Deferred income taxes, net .........................................................................................    
Prepaid expenses and other current assets ..................................................................    
Total current assets ........................................................................................................    

December 31, 

2008 

2009 

159,982 
35,268 

  $ 

205,786 
20,188 

12,294   
2,036 
2,903 
212,483 

Long-term investments ..................................................................................................    
Deferred income taxes, net ............................................................................................    
Property and equipment, net ..........................................................................................    
Goodwill ........................................................................................................................    
Intangibles and other assets, net ....................................................................................    
Deposits and other assets ...............................................................................................    
Total assets ....................................................................................................................  $ 

29,340 
3,392 
16,876 
54,328 
16,421 
1,544 
334,384 

LIABILITIES AND STOCKHOLDERS’ EQUITY 

Current liabilities: 

Accounts payable .......................................................................................................  $ 
Accrued wages and commissions ...............................................................................    
Accrued expenses .......................................................................................................    
Income taxes payable .................................................................................................    
Deferred revenue ........................................................................................................    
Deferred rent ..............................................................................................................    
Total current liabilities ...................................................................................................    

1,636 
7,217 
7,754 
1,907 
9,442 
1,180 
29,136 

Deferred income taxes, net ............................................................................................    
Income taxes payable .....................................................................................................    

132 
1,695 

  $ 

  $ 

Commitments and contingencies ...................................................................................    

Stockholders’ equity: 

Preferred stock, $0.01 par value; 2,000 shares authorized; none outstanding ............    
Common stock, $0.01 par value; 30,000 shares authorized; 19,733 and 20,617 

issued and outstanding as of December 31, 2008 and 2009, respectively ..............  
Additional paid-in capital ...........................................................................................    
Accumulated other comprehensive loss .....................................................................    
Retained earnings (accumulated deficit) ....................................................................    
Total stockholders’ equity .............................................................................................    
Total liabilities and stockholders’ equity .......................................................................  $ 

See accompanying notes. 

F-5 

 

 

197 
333,983 
(13,796)   
(16,963)   
303,421 
334,384 

  $ 

206 
364,635 
(7,565) 
1,730 
359,006 
404,579 

12,855 
3,450 
5,128 
247,407 

29,724 
1,978 
19,162 
80,321 
23,390 
2,597 
404,579 

3,667 
9,696 
14,167 
 
14,840 
1,377 
43,747 

 
1,826 

 

 

 
 
  
 
 
 
 
 
 
 
   
 
 
 
 
   
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
   
   
 
   
 
   
 
   
   
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY 
 (in thousands) 

Comprehensive 
Income  

15,951 

Common Stock 

Shares 
19,081 
 
19,081 
   

  Amount 
  $  191 
     
191 
     

  $ 

Additional 
Paid-In 
Capital 

302,936 
26 
302,962 
 

    $ 

Accumulated 
Other 
Comprehensive 
Income (Loss) 

Retained 
Earnings 
(Accumulated 
Deficit) 

Total 
Stockholders’ 
Equity 

Balance at December 31, 2006 

Tax benefit adjustment 
Balance at January 1, 2007 

Net income 
Foreign currency translation 

adjustment 

Net unrealized gain on  

investments 

Comprehensive income  

$   

Exercise of stock options 
Restricted stock grants 
Restricted stock grants 

surrendered  

Consideration for Propex 
Stock compensation expense, net 

of forfeitures 

ESPP 

Excess tax benefit for exercised 

stock options  

Balance at December 31, 2007 

Net income 
Foreign currency translation 

adjustment 

Net unrealized loss on 

investments 

Comprehensive income  

$   

Exercise of stock options 
Restricted stock grants 
Restricted stock grants 

surrendered  

Stock compensation expense, net 

of forfeitures 

ESPP 
Excess tax benefit for exercised 

stock options  

Balance at December 31, 2008 

Net income 
Foreign currency translation 

adjustment 

Net unrealized gain on  

investments 

Comprehensive income  
Exercise of stock options 
Restricted stock grants 
Restricted stock grants 

surrendered  

Stock compensation expense, net 

of forfeitures 

ESPP 
Consideration for PPR 
Consideration for Resolve  

Technology 

Excess tax benefit for exercised 

stock options  

Balance at December 31, 2009 

873 

   

     

233 
17,057 

     

     

289 
131 

3 
1 

(58) 
22 

     
     

     
9 

     
     

 

 

8,127 
(1) 

(635) 
1,010 

5,399 
448 

     
    19,474 
     

     
195 
     

24,623 

260 
317,570 
 

(14,061) 

     

     

     

     

(5,361) 
5,201 

198 
102 

2 
1 

(49) 

(1) 

     
8 

     
     

     
    19,733 
     

     
197 
     

18,693 

3,671 

     

     

2,560 
24,924 

$   

     

     

85 
237 

     
2 

 

 

6,555 
 

(695) 

4,907 
329 

5,317 
333,983 
 

 

 

2,232 
 

(44) 

      

(672)  

     
7 
573 

     
     
6 

26 

1 

6,438 
230 
20,897 

1,124 

     

     
  20,617 
  $ 
                         See accompanying notes. 

364,635 

    $ 

403 

206 

  $ 

F-6 

4,520 
 
4,520 
 

873 

233 

 
 

 
 

 
 

 
5,626 
 

(14,061) 

(5,361) 

 
 

 

 
 

 
(13,796) 
 

3,671 

2,560 

 
 

 

 
 
 

 

 

  $ 

  $ 

(57,537) 
 
(57,537) 
15,951 

250,110 
26 
250,136 
15,951 

 

 

 
 

 
 

 
 

 
(41,586) 
24,623 

 

 

 
 

 

 
 

 
(16,963) 
18,693 

 

 

 
 

 

 
 
 

 

 

873 

233 

8,130 
 

(635) 
1,010 

5,399 
448 

260 
281,805 
24,623 

(14,061) 

(5,361) 

6,557 
1 

(696) 

4,907 
329 

5,317 
303,421 
18,693 

3,671 

2,560 

2,232 
2 

(672) 

6,438 
230 
20,903 

1,125 

403 

(7,565) 

  $ 

1,730 

  $ 

359,006 

 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
   
     
   
   
 
 
 
   
   
     
   
   
 
 
 
   
     
   
   
 
 
 
   
    
   
   
 
 
   
   
 
   
   
   
   
 
   
 
     
 
   
 
   
 
 
 
   
   
   
     
   
   
 
 
   
   
   
     
   
   
 
 
   
   
     
   
   
 
 
   
   
     
   
   
 
 
   
     
   
   
 
 
   
   
     
   
   
 
 
   
    
   
   
 
 
   
   
    
   
   
 
 
   
    
   
   
 
 
   
    
   
  
 
 
   
   
 
   
   
   
   
 
   
 
    
 
   
 
   
 
 
 
   
   
   
   
 
   
   
 
 
   
   
   
     
   
   
 
 
   
   
   
     
   
   
 
 
   
     
   
   
 
 
   
   
     
   
   
 
 
   
     
   
   
 
 
   
   
     
   
   
 
 
   
    
   
   
 
 
   
    
   
  
 
 
   
   
 
   
   
   
   
 
   
 
    
 
   
 
   
 
 
 
   
   
   
 
   
   
 
 
   
   
   
     
   
   
 
 
   
   
     
   
   
 
 
   
     
   
   
 
 
   
   
     
   
   
 
 
   
   
   
     
   
   
 
 
   
   
   
     
   
   
 
 
   
     
   
   
 
 
COSTAR GROUP, INC. 
CONSOLIDATED STATEMENTS OF CASH FLOWS 
(in thousands) 

Operating activities: 
Net income .............................................................................................  $ 
Adjustments to reconcile net income to net cash provided by 

operating activities: 

Year Ended December 31, 
2008 

2009 

2007 

15,951 

  $ 

24,623 

  $ 

18,693 

Depreciation ...................................................................................   
Amortization ...................................................................................   
Deferred income tax expense, net ...................................................   
Provision for losses on accounts receivable ...................................   
Excess tax benefit from stock options ............................................   
Stock-based compensation expense ................................................   
Leasehold write-off ........................................................................   

7,778 
8,369 
9,946 
2,464 
(260) 
5,440 
 

Changes in operating assets and liabilities, net of acquisitions: 

Accounts receivable........................................................................   
Interest receivable ...........................................................................   
Prepaid expenses and other current assets ......................................   
Deposits and other assets ................................................................   
Accounts payable and other liabilities ............................................   
Deferred revenue ............................................................................   
Net cash provided by operating activities ..........................................   

(2,944) 
(67) 
(755) 
(670) 
6,981 
(501) 
51,732 

8,360 
8,441 
2,148 
4,042 
(5,317)     
4,940 
 

(6,196)     
533 
1,464 
652 
(3,044)     
262 
40,908 

7,583 
7,093 
(2,428) 
4,172 
(403) 
6,460 
603 

(1,610) 
97 
(1,521) 
(1,013) 
2,655 
(812) 
39,569 

Investing activities: 

Purchases of investments ................................................................   
Sales of investments .......................................................................   
Purchases of property and equipment and other assets ...................   
Acquisitions, net of cash acquired ..................................................   
Net cash (used in) provided by investing activities ............................   

(116,609) 
107,286 
(14,271) 
(16,737) 
(40,331) 

(4,839)     
63,949 
(3,656)     
(3,024)     
52,430 

 
17,159 
(10,544) 
(3,207) 
3,408 

Financing activities: 

Excess tax benefit from stock options ............................................   
Repurchase of restricted stock to satisfy tax withholding    

obligations ...................................................................................  
Proceeds from exercise of stock options ........................................   
Net cash provided by financing activities ..........................................   

260 
(635) 

8,536 
8,161 

5,317 
(695)     

6,853 
11,475 

403 
(672) 

2,441 
2,172 

Effect of foreign currency exchange rates on cash and cash 

equivalents .........................................................................................  
Net increase in cash and cash equivalents .............................................   
Cash and cash equivalents at beginning of year ....................................   
Cash and cash equivalents at end of year ..............................................  $ 

64 
19,626 
38,159 
57,785 

(2,616) 
102,197 
57,785 
  $  159,982 

  $ 

655 
45,804 
159,982 
205,786 

See accompanying notes. 

F-7 

 
 
 
 
 
 
 
 
   
 
   
 
   
 
 
 
 
 
   
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
 
   
 
 
   
 
 
 
 
 
   
 
 
 
 
 
   
 
 
   
 
 
   
 
 
 
 
   
 
 
   
 
 
 
 
 
 
   
 
 
 
 
 
 
   
 
 
 
 
 
   
 
 
 
 
 
 
   
 
 
 
 
 
 
   
 
 
 
 
 
 
   
 
 
 
   
 
 
 
 
 
   
 
 
   
 
 
 
 
 
 
   
 
 
 
 
   
 
 
 
   
 
 
   
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS 

December 31, 2009 

1. ORGANIZATION 

CoStar  Group,  Inc.  (the  “Company”)  has  created  a  comprehensive,  proprietary  database  of  commercial  real 
estate  information  covering  the  United  States,  as  well  as  parts  of  the  United  Kingdom  and  France.  Based  on  its 
unique database, the Company provides information, marketing and analytic services to the commercial real estate 
and  related  business  community  and  operates  within  two  segments,  U.S.  and  International.  The  Company’s 
information, marketing and analytic services are typically distributed to its clients under subscription-based license 
agreements, which typically have a minimum term of one year and renew automatically. 

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES 

Basis of Presentation 

The consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. 
All significant intercompany balances and transactions have been eliminated in consolidation. Accounting policies 
are consistent for each operating segment. 

Use of Estimates 

The preparation of financial statements in conformity with generally accepted accounting principles (“GAAP”) 
in the  United States of  America requires  management  to  make estimates and assumptions that affect the amounts 
reported in the financial statements and accompanying notes. Actual results could differ from those estimates. 

Reclassifications 

Certain  previously  reported  amounts  on  the  consolidated  statements  of  cash  flows  have  been  reclassified  to 

conform to the Company’s current presentation. 

Revenue Recognition 

The Company primarily derives revenues from providing access to its proprietary database of commercial real 
estate  information.  The  Company  generally  charges  a  fixed  monthly  amount  for  its  subscription-based  services. 
Subscription contract rates are based on the number of sites, number of users, organization size, the client’s business 
focus and the number of services to which a client subscribes. Subscription-based license agreements typically have 
a minimum term of one year and renew automatically. 

Revenue  is  recognized  when  (1)  there  is  persuasive  evidence  of  an  arrangement,  (2)  the  fee  is  fixed  and 
determinable, (3) services have been rendered and payment has been contractually earned and (4) collectability is 
reasonably assured.   

Revenues  from  subscription-based  services  are  recognized  on  a  straight-line  basis  over  the  term  of  the 
agreement.  Deferred  revenue  results  from  advance  cash  receipts  from  customers  or  amounts  billed  in  advance  to 
customers from the sales of subscription licenses and is recognized over the term of the license agreement.  

Cost of Revenues 

Cost of revenues principally consists of salaries and related expenses for the Company’s researchers who collect 
and analyze the commercial real estate data that is the basis for the Company’s information, marketing and analytic 
services. Additionally, cost of revenues includes the cost of data from third party data sources, which is expensed as 
incurred, and the amortization of database technology. 

F-8 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  (CONTINUED) 

Significant Customers 

No  single  customer  accounted  for  more  than  5%  of  the  Company’s  revenues  for  each  of  the  years  ended 

December 31, 2007, 2008 and 2009. 

Foreign Currency Translation 

The  Company’s  functional  currency  in  its  foreign  locations  is  the  local  currency.  Assets  and  liabilities  are 
translated into U.S. dollars as of the balance sheet date. Revenues, expenses, gains and losses are translated at the 
average  exchange  rates  in  effect  during  each  period.  Gains  and  losses  resulting  from  translation  are  included  in 
accumulated  other  comprehensive  income  (loss).  Net  gains  or  losses  resulting  from  foreign  currency  exchange 
transactions are included in the consolidated statements of operations. There were no material gains or losses from 
foreign currency exchange transactions for the years ended December 31, 2009 and 2008. 

Accumulated Other Comprehensive Loss 

The components of accumulated other comprehensive loss were as follows (in thousands): 

Foreign currency translation adjustment ......................................................  $ 
Accumulated net unrealized loss on investments, net of tax ........................   
Total accumulated other comprehensive loss ...............................................  $ 

Advertising Costs 

Year Ended December 31, 
2009 
2008 
(4,850) 
(8,521) 
(2,715) 
(5,275) 
(7,565) 
(13,796) 

  $ 

  $ 

The Company expenses advertising costs as incurred. Advertising expenses  were approximately $2.3  million, 

$2.8 million and $3.3 million for the years ended December 31, 2007, 2008 and 2009, respectively. 

Income Taxes 

Deferred income taxes result from temporary differences between the tax basis of assets and liabilities and the 
basis reported in the Company’s consolidated financial statements. Deferred tax liabilities and assets are determined 
based on the difference between the financial statement and the tax basis of assets and liabilities using enacted rates 
expected to be in effect during the year in which the differences reverse. Valuation allowances are provided against 
assets,  including  net  operating  losses,  if  it  is  anticipated  that  some  or  all  of  an  asset  may  not  be  realized  through 
future taxable earnings or implementation of tax planning strategies.  

Net Income Per Share 

Net income per share is computed by dividing net income by the weighted average number of common shares 
outstanding  during  the  period  on  a  basic  and  diluted  basis.  The  Company’s  potentially  dilutive  securities  include 
stock options and restricted stock. Diluted net income per share considers the impact of potentially dilutive securities 
except in periods in which there is a net loss, as the inclusion of the potential common shares would have an anti-
dilutive effect.  

Stock-Based Compensation 

Equity instruments issued in exchange for employee services are accounted for using a fair-value based method 

and the fair value of such equity instruments is recognized as expense in the consolidated statements of operations. 

F-9 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  (CONTINUED) 

Stock-Based Compensation   (Continued) 

Stock-based  compensation  cost  is  measured  at  the  grant  date  of  the  share-based  awards  based  on  their  fair 
values,  and  is  recognized  on  a  straight  line  basis  as  expense  over  the  vesting  periods  of  the  awards,  net  of  an 
estimated forfeiture rate. 

Cash flows resulting from excess tax benefits are classified as part of cash flows from operating and financing 
activities. Excess tax benefits represent tax benefits related to stock based compensation in excess of the associated 
deferred  tax  asset  for  such  equity  compensation.    Net  cash  proceeds  from  the  exercise  of  stock  options  were 
approximately $8.5 million; $6.9 million and $2.4 million for the years ended December 31, 2007, 2008 and 2009, 
respectively.  There were approximately $260,000, $5.3 million and $403,000 of excess tax benefits realized from 
stock option exercises for the years ended December 31, 2007, 2008 and 2009. 

Stock-based  compensation  expense  for  stock  options,  restricted  stock  and  the  employee  stock  purchase  plan 

included in the Company's results of operations for the years ended December 31, was as follows (in thousands): 

Cost of revenues ...................................................................................................   $ 
Selling and marketing ..........................................................................................  
Software development ..........................................................................................  
General and administrative ..................................................................................  

  926 
  1,118 
  340 
  3,056 
Total ...............................................................................................................   $  5,440 

2007 

  $ 

Year Ended December 31, 
2009 
2008 
  547    $    888 
   1,125 
    588 
  3,859 
  $  4,940    $  6,460 

400   
  423   
  3,570   

Cash and Cash Equivalents 

The Company considers all  highly  liquid investments purchased  with an original  maturity of  three  months or 
less  to  be  cash  equivalents.  Cash  equivalents  consist  of  money  market  fund  investments  and  U.S.  Government 
Securities.  As  of  December  31,  2008  and  2009,  cash  of  approximately  $518,000  and  $519,000,  respectively,  was 
held to support letters of credit for security deposits. 

Investments 

The Company determines the appropriate classification of debt and equity investments at the time of purchase 
and reevaluates such designation as of each balance sheet date.  The Company considers all of its investments to be 
available-for-sale.    Short-term  investments  consist  of  commercial  paper,  government/federal  notes  and  bonds  and 
corporate  obligations  with  maturities  greater  than  90  days  at  the  time  of  purchase.  Available-for-sale  short-term 
investments  with  contractual  maturities  beyond  one  year  are  classified  as  current  in  the  Company’s  consolidated 
balance  sheets  because  they  represent  the  investment  of  cash  that  is  available  for  current  operations.  Long-term 
investments consist of auction rate securities.  Investments are carried at fair market value.   

Concentration of Credit Risk and Financial Instruments 

The Company performs ongoing credit evaluations of its customers’ financial condition and generally does not 
require  that  its  customers’  obligations  to  the  Company  be  secured.  The  Company  maintains  reserves  for  credit 
losses, and such losses have been within management’s expectations. The large size and widespread nature of the 
Company’s customer base and lack of dependence on individual customers mitigate the risk of nonpayment of the 
Company’s  accounts  receivable.  The  carrying  amount  of  the  accounts  receivable  approximates  the  net  realizable 
value. The carrying value of the Company’s financial instruments including cash and cash equivalents, short-term 
investments, long-term investments, accounts receivable, accounts payable, and accrued expenses approximates fair 
value. 

F-10 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  (CONTINUED) 

Allowance for Doubtful Accounts 

The  allowance  for  doubtful  accounts  is  based  on  the  Company’s  assessment  of  the  collectability  of  customer 
accounts.  The Company regularly reviews the allowance by considering factors such as historical experience, the 
aging of the balances, and current economic conditions that may affect a customer’s ability to pay.  

Property and Equipment 

Property  and  equipment  are  stated  at  cost.  All  repairs  and  maintenance  costs  are  expensed  as  incurred. 
Depreciation and amortization are calculated on a straight-line basis over the following estimated useful lives of the 
assets: 

Leasehold improvements 
Furniture and office equipment 
Research vehicles 
Computer hardware and software 

  Shorter of lease term or useful life 
  Five to seven years 
  Five years 
  Two to five years 

Qualifying  internal-use  software  costs  incurred  during  the  application  development  stage,  which  consist 
primarily of outside services and purchased software license costs, are capitalized and amortized over the estimated 
useful life of the asset. All other costs are expensed as incurred.  

Goodwill, Intangibles and Other Assets 

Goodwill  represents  the  excess  of  costs  over  the  fair  value  of  assets  of  businesses  acquired.  Goodwill  and 
intangible assets acquired in  a purchase business combination and determined to have an indefinite useful life are 
not  amortized,  but  instead  tested  for  impairment  at  least  annually  by  reporting  unit.  The  Company’s  operating 
segments, U.S. and International, are the reporting units tested for potential impairment.  The goodwill impairment 
test is a two-step process.  The first step is to determine the fair value of each reporting unit.  The estimate of the fair 
value  of  each  reporting  unit  is  based  on  a  projected  discounted  cash  flow  model  that  includes  significant 
assumptions  and  estimates  including  the  Company’s  future  financial  performance  and  a  weighted  average  cost  of 
capital. The fair value of each reporting unit is compared to the carrying amount of the reporting unit. If the carrying 
value of the reporting unit exceeds the fair value, then the second step of the process is performed to measure the 
impairment  loss.    The  impairment  loss  is  measured  based  on  a  projected  discounted  cash  flow  method  using  a 
discount rate determined by  the Company’s  management to be commensurate  with the  risk in  its  current business 
model. 

 Intangible assets with estimable useful lives that arose from acquisitions on or after July 1, 2001, are amortized 
over  their  respective  estimated  useful  lives  using  a  method  of  amortization  that  reflects  the  pattern  in  which  the 
economic benefits of the intangible assets are consumed or otherwise used up, and reviewed for impairment.  

Acquired  database  technology,  customer  base  and  trade  names  and  other  are  related  to  the  Company’s 
acquisitions  (See  Notes  3,  7 and 8).  Acquired database technology and trade names and other are amortized on a 
straight-line  basis  over  periods  ranging  from  two  to  ten  years.  The  acquired  intangible  asset  characterized  as 
customer  base  consists  of  one  distinct  intangible  asset  composed  of  acquired  customer  contracts  and  the  related 
customer relationships. Acquired customer bases that arose from acquisitions prior to July 1, 2001 are amortized on 
a straight-line basis principally over a period of ten years. Acquired customer bases that arose from acquisitions on 
or  after  July  1,  2001  are  amortized  on  a  125%  declining  balance  method  over  ten  years.  The  cost  of  capitalized 
building photography is amortized on a straight-line basis over five years. 

F-11 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  (CONTINUED) 

Long-Lived Assets 

Long-lived  assets,  such  as  property,  plant,  and  equipment,  and  purchased  intangibles  subject  to  amortization, 
are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an 
asset  may  not  be  recoverable.  Recoverability  of  assets  to  be  held  and  used  is  measured  by  a  comparison  of  the 
carrying amount of an asset to estimate undiscounted future cash flows expected to be generated by the asset or asset 
group.  If  the  carrying  amount  of  an  asset  exceeds  its  estimated  future  cash  flows,  an  impairment  charge  is 
recognized by the amount for which the carrying amount of the asset exceeds the fair value of the asset. 

Assets  to  be  disposed  of  would  be  separately  presented  in  the  balance  sheet  and  reported  at  the  lower  of  the 
carrying amount or fair value less costs to sell, and would no longer be depreciated. The assets and liabilities of a 
disposed group classified as held for sale would be presented separately in the appropriate asset and liability sections 
of the balance sheet. 

Recent Accounting Pronouncements 

In  February  2007,  the  FASB  issued  authoritative  guidance  on  the  fair  value  option  for  financial  assets  and 
financial liabilities, which permits entities to choose to measure many financial instruments and certain other items 
at fair value that are not currently required to be measured at fair value. This guidance is effective for fiscal years 
beginning  on  or  after  December  31,  2007.  The  Company  adopted  this  guidance  on  January  1,  2008  and  has  not 
elected to apply the fair value option to any of its financial instruments.  The adoption of this guidance did not have 
a material impact on the Company’s results of operations or financial position. 

In  December 2007,  the  FASB  issued  authoritative  guidance  on  business  combinations,  which  changes  the 
accounting for any business combination the Company enters into with an acquisition date after December 31, 2008. 
Under this guidance, an acquiring entity is required to recognize all the assets acquired and liabilities assumed in a 
transaction  at  the  acquisition  date  fair  value  with  limited  exceptions.  This  guidance  changes  the  accounting 
treatment and disclosure for certain specific items in a business combination.  The Company adopted this guidance 
on January 1, 2009 and has recorded assets acquired and liabilities assumed at fair value.   

In December 2007, the FASB issued authoritative guidance on non-controlling interest, which establishes new 
accounting and reporting standards for the non-controlling interest in a subsidiary and for the deconsolidation of a 
subsidiary.  This  guidance  is  effective  for  fiscal  years  beginning  on  or  after  December 15,  2008.  The  Company 
adopted  this  guidance  on  January  1,  2009.  The  adoption  of  this  guidance  did  not  have  a  material  impact  on  the 
Company’s results of operations or financial position. 

In  April  2008,  the  FASB  issued  authoritative  guidance  on  existing  intangibles  or  expected  future  cash  flows 
from those intangibles, which is effective for all fiscal years and interim periods beginning after December 15, 2008. 
Early  adoption  of  this  guidance  is  not  permitted.  This  guidance  requires  additional  footnote  disclosures  about  the 
impact of the Company’s ability or intent to renew or extend agreements related to existing intangibles or expected 
future  cash  flows  from  those  intangibles,  how  the  Company  accounts  for  costs  incurred  to  renew  or  extend  such 
agreements,  the  time  until  the  next  renewal  or  extension  period  by  asset  class,  and  the  amount  of  renewal  or 
extension costs capitalized, if any. For any intangibles acquired after December 31, 2008, this guidance requires that 
the Company consider its experience regarding renewal and extensions of similar arrangements in determining the 
useful life of such intangibles. If the Company does not have experience with similar arrangements, this guidance 
requires that the Company use the assumptions of a market participant putting the intangible to its highest and best 
use  in  determining  the  useful  life.  The  Company  adopted  this  guidance  on  January  1,  2009. The  adoption  of  this 
guidance did not have a material impact on the Company’s results of operations or financial position. 

F-12 

 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  (CONTINUED) 

Recent Accounting Pronouncements (Continued) 

In  June  2008,  the  FASB  issued  authoritative  guidance  related  to  determining  whether  instruments  granted  in 
share-based  payment  transactions  are  participating  securities.    This  guidance  clarifies  that  unvested  share-based 
payment  awards  with  a  right  to  receive  non-forfeitable  dividends  are  participating  securities.  This  guidance  is 
effective  for  all  annual  and  interim  periods  beginning  after  December  15,  2008.  Adoption  of  this  standard  will 
require  the  two-class  method  of  calculating  basic  earnings  per  share  to  the  extent  that  unvested  share-based 
payments  have  the  right  to  receive  non-forfeitable  dividends.  The  Company  adopted  this  guidance  on  January  1, 
2009.    The  adoption  of  this  guidance  did  not  have  a  material  impact  on  the  Company’s  results  of  operations  or 
financial position. 

In  April  2009,  the  FASB  issued  authoritative  guidance  related  to  the  initial  recognition,  measurement  and 
subsequent accounting for assets and liabilities arising from pre-acquisition contingencies in a business combination. 
It requires that such assets acquired or liabilities assumed be initially recognized at fair value at the acquisition date 
if fair value can be determined during the measurement period. When fair value cannot be determined, companies 
should  typically  account  for  the  acquired  contingencies  using  existing  guidance.  This  guidance  requires  that 
companies expense acquisition and deal-related costs that were previously allowed to be capitalized.  This guidance 
also  requires  that  a  systematic  and  rational  basis  for  subsequently  measuring  and  accounting  for  the  assets  or 
liabilities  be  developed  depending  on  their  nature.  This  guidance  was  effective  for  contingent  assets  or  liabilities 
arising  from  business  combinations  with  an  acquisition  date  on  or  after  January  1,  2009.   The  adoption  of  this 
guidance changes the accounting treatment and disclosure for certain specific items in a business combination with 
an  acquisition  date  subsequent  to  December  31,  2008.   The  Company  adopted  this  guidance  on  January  1,  2009, 
and expensed  acquisition  and  deal-related  costs  of  approximately  $700,000  associated  primarily  with  the 
acquisitions  of  Property  and  Portfolio  Research,  Inc.  (“PPR”)  and  Resolve  Technology,  Inc.  (“Resolve 
Technology”).   

In April 2009, the FASB issued authoritative guidance for determining whether a market is active or inactive, 
and  whether a transaction is distressed.  This guidance is applicable to all assets and liabilities (financial and non-
financial) and will require enhanced disclosures. The Company adopted this guidance for its interim period ending 
June 30, 2009. The adoption of this guidance did not have a material impact on the Company’s results of operations 
or financial position, but did require additional disclosures in the Company’s financial statements. 

In  April  2009,  the  FASB  issued  authoritative  guidance  requiring  disclosures  in  interim  reporting  periods 
concerning  the  fair  value  of  financial  instruments  that  were  previously  only  required  in  the  annual  financial 
statements. The Company adopted the provisions of this guidance for the interim period ending June 30, 2009. The 
adoption  of  this  guidance  did  not  have  a  material  impact  on  the  Company’s  results  of  operations  or  financial 
position, but did require additional disclosures in the Company’s financial statements.  

In April 2009, the FASB issued authoritative guidance that redefines what constitutes an other-than-temporary 
impairment,  defines  credit  and  non-credit  components  of  an  other-than-temporary  impairment,  prescribes  their 
financial  statement  treatment,  and  requires  enhanced  disclosures  relating  to  such  impairments.  The  Company 
adopted  this  guidance  for  the  interim  period  ending  June  30,  2009. The  adoption  of  this  guidance  did  not  have  a 
material impact on the Company’s results of operations or financial position, but did require additional disclosures 
in the Company’s financial statements. 

In May 2009, the FASB issued authoritative guidance which establishes general standards of accounting for and 
disclosure of events that occur after the balance sheet date but before financial statements are issued. This guidance 
was effective for all interim and annual reporting periods ending after June 15, 2009. This guidance has not and is 
not  expected  to  result  in  significant  changes  in  the  subsequent  events  that  the  Company  reports,  either  through 
recognition or disclosure, in its financial statements. 

F-13 

 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  (CONTINUED) 

Recent Accounting Pronouncements (Continued) 

In June 2009, the FASB issued authoritative guidance to amend the manner in which entities evaluate whether 
consolidation is required for variable interest entities (VIE).  Previously, variable interest holders were required to 
determine whether they had a controlling financial interest in a VIE based on a quantitative analysis of the expected 
gains  and/or  losses  of  the  entity.  The  new  guidance  requires  an  enterprise  with  a  variable  interest  in  a  VIE  to 
qualitatively assess whether it has a controlling financial interest in the entity, and if so, whether it is the primary 
beneficiary.  This  guidance  also  requires  that  companies  continually  evaluate  VIEs  for  consolidation,  rather  than 
assessing whether consolidation is required based upon the occurrence of triggering events.  This guidance enhances 
disclosures to provide financial statement  users  with  greater transparency about transfers of  financial assets and a 
transferor’s  continuing  involvement  with  transferred  financial  assets.  This  guidance  will  be  effective  for  the  first 
annual reporting period beginning after November 15, 2009. This guidance is not expected to materially impact the 
Company’s results of operations, financial position or related disclosures. 

In June 2009, the FASB issued authoritative guidance which replaced the previous hierarchy of U.S. GAAP and 
establishes the FASB Codification as the single source of authoritative U.S. GAAP recognized by the FASB to be 
applied  by  nongovernmental  entities.  This  guidance  is  effective  for  financial  statements  issued  for  interim  and 
annual periods ending after September 15, 2009. This guidance did not materially impact the Company’s results of 
operations or financial position, but did require changes to the disclosures in the Company’s financial statements. 

In July 2009, the FASB issued authoritative guidance to improve the consistency with which companies apply 
fair value measurements guidance to liabilities.  This guidance is effective for interim and annual periods beginning 
after September 30, 2009.  This guidance is not expected to materially impact the Company’s results of operations, 
financial position or related disclosures. 

In October 2009, the FASB issued authoritative guidance that amends existing guidance for identifying separate 
deliverables  in  a  revenue-generating  transaction  where  multiple  deliverables  exist,  and  provides  guidance  for 
measuring  and  allocating  revenue  to  one  or  more  units  of  accounting.  In  addition,  the  FASB  issued  authoritative 
guidance  on  arrangements  that  include  software  elements.    Under  this  guidance,  tangible  products  containing 
software components and non-software components that are essential to the functionality of the tangible product will 
no  longer  be  within  the  scope  of  the  software  revenue  recognition  guidance.  This  guidance  is  effective  using  the 
prospective application or the retrospective application for revenue arrangements entered into or materially modified 
in  fiscal  years  beginning  on  or  after  June  15,  2010  with  earlier  application  permitted.  The  Company  is  currently 
assessing the impacts adoption of this guidance may have on its financial statements. 

In  January  2010,  the  FASB  issued  authoritative  guidance  that  amends  the  disclosure  requirements  related  to 
recurring  and  nonrecurring  fair  value  measurements.  This  guidance  requires  new  disclosures  on  the  transfers  of 
assets and liabilities between Level 1 (assets and liabilities measured using observable inputs such as quoted prices 
in  active  markets)  and  Level  2  (assets  and  liabilities  measured  using  inputs  other  than  quoted  prices  in  active 
markets  that  are  either  directly  or  indirectly  observable)  of  the  fair  value  measurement  hierarchy,  including  the 
amount  and  reason  of  the  transfers.  Additionally,  this  guidance  requires  a  roll  forward  of  activities  on  purchases, 
sales, issuance, and settlements of the assets and liabilities measured using significant unobservable inputs (Level 3 
fair  value  measurements).  This  guidance  is  effective  for  interim  and  annual  reporting  periods  beginning  after 
December  15,  2009,  with  the  exception  of  the  additional  disclosure  for  Level  3  assets  and  liabilities,  which  is 
effective for fiscal years beginning after December 15, 2010, and for interim periods within those fiscal years. This 
guidance  is  not  expected  to  materially  impact  the  Company’s  results  of  operations  or  financial  position,  but  will 
require changes to the disclosures in its interim and annual financial statements. 

F-14 

 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

3. ACQUISITIONS 

On  April  1,  2008,  the  Company  acquired  certain  assets  of  First  CLS,  Inc.  (doing  business  as  the  Dorey 
Companies and DoreyPRO), an Atlanta-based provider of local commercial real estate information for $3.0 million 
in initial cash consideration and deferred consideration of $1.7 million paid during the third quarter of 2009. 

On  July  17,  2009,  the  Company  acquired  all  of  the  issued  and  outstanding  equity  securities  of  PPR,  and  its 
wholly  owned  subsidiary  Property  and  Portfolio  Research  Ltd.,  providers  of  real  estate  analysis,  market  forecasts 
and credit risk analytics to the commercial real estate industry. The Company acquired PPR from DMG Information, 
Inc.  (“DMGI”)  in  exchange  for  572,999  shares  of  CoStar  common  stock,  which  had  an  aggregate  value  of 
approximately $20.9 million  as of the closing date. On July 17, 2009, 433,667 shares of the  Company’s common 
stock were issued to DMGI, and the remaining 139,332 shares were issued to DMGI on September 28, 2009 after 
taking into account post-closing purchase price adjustments.  The purchase accounting is preliminary and is subject 
to change upon completion of the purchase accounting. 

The purchase price for the PPR acquisition was allocated as follows (in thousands): 

Working capital .....................................................................................................................................  $ 
Acquired trade names and other ............................................................................................................   
Acquired customer base ........................................................................................................................   
Acquired database technology .............................................................................................................   
Goodwill ..............................................................................................................................................   

Total purchase consideration ............................................................................................................  $ 

(5,479) 
810 
5,300 
3,700 
16,572 
20,903 

On  October  19,  2009,  the  Company  acquired  all  of  the  outstanding  capital  stock  of  Resolve  Technology,  a 
Delaware corporation, for approximately $4.5 million, consisting of approximately $3.4 million in cash and 25,886 
shares,  or  approximately  $1.1  million,  of  CoStar  common  stock,  which  shares  are  subject  to  a  three-year 
lockup.   Additionally,  the  seller  may  be  entitled  to  receive  (i)  a  potential  deferred  cash  payout  two  years  after 
closing  based  on  the  incremental  growth  of  Resolve  Technology’s  revenue,  and  (ii)  other  potential  deferred  cash 
payouts for successful completion of operational and sales milestones during the period from closing through June 
30,  2013,  which  period  may  be  subject  to  extension  to  a  date  no  later  than  December  31,  2014.      The  purchase 
accounting is preliminary and is subject to change upon completion of the purchase accounting. 

The purchase price for the Resolve Technology acquisition was allocated as follows (in thousands): 

Purchase price in cash and stock ...........................................................................................................  $ 
Deferred consideration ..........................................................................................................................   

Total purchase consideration .............................................................................................................  $ 

Working capital .....................................................................................................................................  $ 
Acquired trade names and other ............................................................................................................   
Acquired customer base ........................................................................................................................   
Acquired database technology .............................................................................................................   
Goodwill ..............................................................................................................................................   

Total purchase consideration ............................................................................................................  $ 

4,499 
3,052 
7,551 

(550) 
430 
890 
1,200 
5,581 
7,551 

F-15 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

3. ACQUISITIONS  (CONTINUED) 

These  acquisitions  were  accounted  for  using  purchase  accounting.  The  purchase  price  for  the  First  CLS,  Inc. 
acquisition  was  primarily  allocated  to  acquired  customer  base  and  goodwill.  For  each  of  the  PPR  and  Resolve 
Technology  acquisitions,  the  purchase  price  was  allocated  to  various  working  capital  accounts,  developed 
technology, customer base, trademarks, non-competition agreements and goodwill.  The acquired customer base for 
the  acquisitions,  which  consists  of  one  distinct  intangible  asset  for  each  acquisition  and  is  composed  of  acquired 
customer contracts and the related customer relationships, is being amortized on a 125% declining balance method 
over  ten  years.  The  identified  intangibles  will  be  amortized  over  their  estimated  useful  lives.    Goodwill  for  these 
acquisitions  will  not  be  amortized,  but  is  subject  to  annual  impairment  tests.    Goodwill  is  comprised  of  acquired 
workforce. The results of operations of First CLS, Inc., PPR, and Resolve Technology have been consolidated with 
those  of  the  Company  since  the  respective  dates  of  the  acquisitions  and  are  not  considered  material  to  the 
Company’s consolidated financial statements. Accordingly, pro forma financial information has not been presented 
for any of the acquisitions. 

4. INVESTMENTS 

The Company determines the appropriate classification of debt and equity investments at the time of purchase 
and reevaluates such designation as of each balance sheet date.  The Company considers all of its investments to be 
available-for-sale.    Short-term  investments  consist  of  commercial  paper,  government/federal  notes  and  bonds  and 
corporate  obligations  with  maturities  greater  than  90  days  at  the  time  of  purchase.  Available-for-sale  short-term 
investments  with  contractual  maturities  beyond  one  year  are  classified  as  current  in  the  Company’s  consolidated 
balance  sheets  because  they  represent  the  investment  of  cash  that  is  available  for  current  operations.  Long-term 
investments consist of auction rate securities.  Investments are carried at fair market value. 

Scheduled maturities of investments classified as available-for-sale as of December 31, 2009 are as follows (in 

thousands): 

Maturity 

Due in: 

   Fair Value 

2010 .............................................................................................................................................  $ 
2011-2014 ....................................................................................................................................   
2015-2019 ....................................................................................................................................   
2020 and thereafter ......................................................................................................................   
Available-for-sale investments .........................................................................................................  $ 

3,072 
16,634 
106 
30,100 
49,912 

The  realized  gains  on  the  Company’s  investments  for  the  years  ended  December  31,  2008  and  2009  were 
approximately $329,000 and $4,000, respectively.  The realized losses on the Company’s investments for the years 
ended December 31, 2008 and 2009 were approximately $489,000 and $5,000, respectively. 

Unrealized holding gains and losses, net of the related tax effect, on available-for-sale securities are excluded 
from  earnings  and  are  reported  as  a  separate  component  of  accumulated  other  comprehensive  income  (loss)  in 
stockholders’  equity  until  realized.    Realized  gains  and  losses  from  the  sale  of  available-for-sale  securities  are 
determined on a specific-identification basis. A decline in market value of any available-for-sale security below cost 
that is deemed to be other than temporary results in a reduction in carrying amount to fair value.  The impairment is 
charged  to  earnings  and  a  new  cost  basis  for  the  security  is  established.    Dividend  and  interest  income  are 
recognized when earned. 

F-16 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

4. INVESTMENTS  (CONTINUED) 

As of December 31, 2009, the amortized cost basis and fair value of investments classified as available-for-sale 

are as follows (in thousands): 

Amortized 
Cost 

Gross 
Unrealized 
Gains 
$ 

12,987    
Collateralized debt obligations ........................................................  
Corporate debt securities .................................................................    6,396    
Residential mortgage-backed securities  ......................................................  
394    
Government-sponsored enterprise obligations  ............................................  
97    
32,750    
Auction rate securities ..................................................................................  
52,624    
Available-for-sale investments .....................................................................  

$ 

$ 

$ 

5 
331 
 
 
 
336 

Gross 
Unrealized 
Losses 

  Fair Value 

    $ 

(14)     $  12,978   
6,727   
387   
96   
29,724   
$  49,912   

    
(7)    
(1)    
(3,026)    
$  (3,048)    

The  unrealized  losses  on  the  Company’s  investments  as  of  December  31,  2008  and  2009  were  generated 
primarily  from  changes  in  interest  rates.  The  losses  are  considered  temporary,  as  the  contractual  terms  of  these 
investments do not permit the issuer to settle the security at a price less than the amortized cost of the investment. 
Because the Company does not intend to sell these instruments and it is not more likely than not that the Company 
will be required to sell these instruments prior to anticipated recovery, which may be maturity, it does not consider 
these  investments  to  be  other-than-temporarily  impaired  as  of  December  31,  2008  and  2009.    See  Note  5  to  the 
consolidated financial statements for further discussion on the fair value of the Company’s financial assets. 

The  components  of  the  Company’s  investments  in  an  unrealized  loss  position  for  more  than  twelve  months 

consists of the following (in thousands): 

December 31, 

2008 

2009 

Collateralized debt obligations ..............................................................  
Corporate debt securities .......................................................................  
Residential mortgage-backed securities .................................................  
Government-sponsored enterprise obligations ......................................  
Auction rate securities ...........................................................................  

$ 

Aggregate  
Fair 
 Value 
19,151 
2,558 
427 
 
 
22,136 

Gross 
Unrealized 
Losses 

Aggregate  
Fair 
 Value 

$ 

(1,323)    $ 
(156)   
(15)   
   
   

7,578  $ 
 
387 
96 
29,724 

$ 

(1,494)    $  37,785  $ 

Gross  
Unrealized  
Losses 
(14) 
 
(7) 
(1) 
(3,026) 
(3,048) 

$ 

The  components  of  the  Company’s  investments  in  an  unrealized  loss  position  for  less  than  twelve  months 

consists of the following (in thousands): 

December 31, 

2008 

2009 

Collateralized debt obligations ..............................................................  
Corporate debt securities .......................................................................  
Residential mortgage-backed securities .................................................  
Government-sponsored enterprise obligations ......................................  
Auction rate securities ...........................................................................  

$ 

Aggregate  
Fair 
 Value 
3,022 
3,807 
36 
130 
29,340 
36,335 

Gross 
Unrealized 
Losses 

Aggregate  
Fair 
 Value 

$ 

$ 

(84)    $ 
(268)   
(1)   
(14)   
(3,710)   
(4,077)    $ 

  $ 
 
 
 
 
  $ 

Gross  
Unrealized  
Losses 
 
 
 
 
 
 

$ 

F-17 

 
 
 
 
 
   
  
  
  
  
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

4. INVESTMENTS  (CONTINUED) 

The  gross  unrealized  gains  on  the  Company’s  investments  as  of  December  31,  2008  and  2009  were 

approximately $128,000 and $336,000, respectively.  

5. FAIR VALUE 

In September 2006, the FASB issued authoritative guidance which defines fair value, establishes a framework 
for  measuring  fair  value  in  accordance  with  GAAP  and  expands  disclosures  about  fair  value  measurements. The 
Company  adopted  this  guidance  as  of  January  1,  2008  for  financial  instruments.    Although  the  adoption  of  the 
guidance did not  materially impact its  financial position, results of operations, or cash  flow, the Company  is  now 
required to provide additional disclosures as part of its financial statements. 

There is a three-tier fair value hierarchy, which categorizes the inputs used in measuring fair value.  These tiers 
include: Level 1, defined as  observable inputs such as quoted prices in active  markets; Level 2, defined as  inputs 
other than quoted prices in active markets that are either directly or indirectly observable; and Level 3, defined as 
unobservable  inputs  in  which  little  or  no  market  data  exists,  therefore  requiring  an  entity  to  develop  its  own 
assumptions. 

The following table represents the Company's fair value hierarchy for its financial assets (cash, cash equivalents 

and investments) and liabilities measured at fair value on a recurring basis as of December 31, 2009 (in thousands): 

Assets: 

Level 1 

  Level 2 

  Level 3 

Total 

$ 

Cash ...........................................................................................  $  38,721  
Money market funds ..................................................................      167,065  
  
Collateralized debt obligations ................................................................  
  
Corporate debt securities .........................................................................  
  
Residential mortgage-backed securities ..................................................  
  
Government-sponsored enterprise obligations ........................................  
Auction rate securities .............................................................................  
    
Total assets measured at fair value ...............................................................  
Liabilities: 

 
 
12,978  
6,727  
387  
96  
  
$  205,786   $  20,188  

  $ 

  
  
  
  
  
  
  29,724  
$  29,724  

$  38,721 
  167,065 
  12,978 
6,727 
387 
96 
  29,724 
$  255,698 

Deferred consideration ............................................................................  
Total liabilities measured at fair value .........................................................  

$ 
$ 

   $ 
   $ 

  
  

$ 
$ 

3,082  
3,082  

$ 
$ 

3,082 
3,082 

The  Company’s  Level  2  assets  consist  of  collateralized  debt  obligations,  corporate debt  securities,  residential 
mortgage-backed securities and government-sponsored enterprise obligations, which do not have directly observable 
quoted prices in active markets.  The Company’s Level 2 assets are valued using matrix pricing.   

The Company’s Level 3 assets consist of auction rate securities (“ARS”), whose underlying assets are primarily 
student loan securities supported by guarantees from the Federal Family Education Loan Program (“FFELP”) of the 
U.S. Department of Education. 

F-18 

 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
  
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

5. FAIR VALUE  (CONTINUED) 

The  following  table  summarizes  changes  in  fair  value  of  the  Company’s  Level  3  assets  from  December  31, 

2007 to December 31, 2009 (in thousands): 

Auction 
Rate 
Securities 

Balance at December 31, 2007  ...................................................................................................................  $ 
Unrealized loss included in other comprehensive loss ...........................................................................  
Net settlements .......................................................................................................................................  
Balance at December 31, 2008  ...................................................................................................................  
Unrealized gain included in other comprehensive loss ..........................................................................  
Net settlements .......................................................................................................................................  
Balance at December 31, 2009  ...................................................................................................................  $ 

53,975 
(3,710) 
(20,925) 
29,340 
684 
(300) 
29,724 

ARS  are  variable  rate  debt  instruments  whose  interest  rates  are  reset  approximately  every  28  days.  The 

underlying securities have contractual maturities greater than twenty years.  The ARS are recorded at fair value.   

As of December 31, 2009, the Company held ARS with $32.8 million par value, all of which failed to settle at 
auction.  The  majority  of  these  investments  are  of  high  credit  quality  with  AAA  credit  ratings and  are  primarily 
student  loan  securities  supported  by  guarantees  from  the  FFELP of  the  U.S.  Department  of  Education.  The 
Company may not be able to liquidate and fully recover the carrying value of the ARS in the near term.  As a result,  
these securities are classified as long-term investments in the Company’s consolidated balance sheet as of December 
31, 2009.  

While the Company continues to earn interest on its ARS investments at the contractual rate, these investments 
are not currently trading and therefore do not currently have a readily determinable market value.  Accordingly, the 
estimated fair value of the ARS no longer approximates par value.  The Company has used a discounted cash flow 
model to determine the estimated fair value of its investment in ARS as of December 31, 2009.  The assumptions 
used  in  preparing  the  discounted  cash  flow  model  include  estimates  for  interest  rates,  credit  spreads,  timing  and 
amount of cash flows, liquidity risk premiums, expected holding periods, and default risk.  Based on this assessment 
of fair value, as of December 31, 2009, the Company determined there was a decline in the fair value of its ARS 
investments of approximately $3.0 million.  The decline was deemed to be a temporary impairment and recorded as 
an unrealized loss in accumulated other comprehensive loss in stockholders’ equity.  In addition, while a majority of 
the  ARS  are  currently  rated  AAA,  if  the  issuers  are  unable  to  successfully  close  future  auctions  and  their  credit 
ratings  deteriorate,  the  Company  may  be  required  to  record  additional  unrealized  losses  in  accumulated  other 
comprehensive loss or an other-than-temporary impairment charge to earnings on these investments. 

The  Company’s  Level  3  liabilities  consist  of  a  $3.1  million  liability  for  deferred  consideration  related  to  the 
October 19, 2009 acquisition of Resolve Technology. The deferred consideration is for (i) a potential deferred cash 
payout  two  years  after  closing  based  on  the  incremental  growth  of  Resolve  Technology’s  revenue,  and  (ii)  other 
potential deferred cash payouts for successful completion of operational and sales milestones during the period from 
closing through June 30, 2013, which period may be subject to extension to a date no later than December 31, 2014. 

The following table summarizes changes in fair value of the Company’s Level 3 liabilities from December 31, 

2008 to December 31, 2009 (in thousands): 

Balance at December 31, 2008  ...................................................................................................................  $ 
Deferred consideration upon acquisition ................................................................................................  
Accretion for 2009 .................................................................................................................................  
Balance at December 31, 2009  ...................................................................................................................  $ 

Deferred 
Consideration 
 
3,052 
30 
3,082 

F-19 

 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

5. FAIR VALUE  (CONTINUED) 

The  Company  has  used  a  discounted  cash  flow  model  to  determine  the  estimated  fair  value  of  its  Level  3 
liabilities as of December 31, 2009.  The significant assumptions used in preparing the discounted cash flow model 
include  the  discount  rate,  estimates  for  future  incremental  revenue  growth  and  probabilities  for  completion  of 
operational and sales milestones. 

6. PROPERTY AND EQUIPMENT 

Property and equipment consists of the following (in thousands): 

December 31, 

2008 

2009 

Leasehold improvements ...............................................................................................  $ 
7,808 
Furniture, office equipment and research vehicles .........................................................     19,305 
Computer hardware and software ..................................................................................     27,938 
  55,051 
Accumulated depreciation and amortization ..................................................................     (38,175) 
Property and equipment, net ..........................................................................................  $  16,876 

  $  10,333 
  20,279 
  28,259 
  58,871 
  (39,709) 
  $  19,162 

7. GOODWILL 

The changes in the carrying amount of goodwill by operating segment consist of the following (in thousands):  

United States 
30,428 
Goodwill, December 31, 2007 .....................................................................  
$ 
1,119 
Acquisitions ............................................................................................  
Effect of foreign currency translation .....................................................  
 
31,547 
Goodwill, December 31, 2008 .....................................................................  
23,858 
Acquisitions ............................................................................................  
Effect of foreign currency translation .....................................................  
 
(145) 
Purchase accounting adjustment .............................................................  
55,260 
Goodwill, December 31, 2009 .....................................................................  

$ 

International 
$ 

31,426 
 
(8,645) 
22,781 
 
2,280 
 
25,061 

$ 

Total 

61,854 
1,119 
(8,645) 
54,328 
23,858 
2,280 
(145) 
80,321 

$ 

$ 

The  Company  recorded  goodwill  of  approximately  $1.1  million  in  connection  with  the  First  CLS,  Inc. 
acquisition  in  April  2008,  which  was  decreased  by  $145,000  in  2009,  upon  completion  of  purchase 
accounting.  Approximately $1.7 million in additional goodwill was recorded in connection with the First CLS, Inc. 
acquisition  as  a  result  of  the  payment  of  deferred  consideration  of  $1.7  million  in  August  2009.  The  Company 
recorded goodwill of approximately $16.6 million in connection with the July 2009 acquisition of PPR.  Initially in 
July 2009, the Company had recorded $12.1 million in goodwill for the PPR acquisition, that was increased by $4.5 
million in December 2009 upon completion of the Company’s review of the income tax attributes and deferred taxes 
related  to  the  PPR  purchase  accounting.  The  Company  recorded  goodwill  of  approximately  $5.6  million  in 
connection with the Resolve Technology acquisition in October 2009. 

During the fourth quarters of 2008 and 2009, the Company completed the annual impairment test of goodwill 

and concluded that goodwill was not impaired. 

F-20 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

8. INTANGIBLES AND OTHER ASSETS 

Intangibles and other assets consist of the following (in thousands, except amortization period data): 

December 31, 

2008 

2009 

Weighted-Average 
Amortization 
Period (in years) 

Building photography .........................................................................  
Accumulated amortization .................................................................  
Building photography, net ..................................................................  

11,011   
(7,711)   
3,300   

$ 

Acquired database technology............................................................  
Accumulated amortization .................................................................  
Acquired database technology, net .....................................................  

20,711   
(20,361)   
350   

Acquired customer base .....................................................................  
Accumulated amortization .................................................................  
Acquired customer base, net ..............................................................  

48,198   
(37,192)   
11,006   

Acquired trade names and other .........................................................  
Accumulated amortization .................................................................  
Acquired trade names and other, net 

7,744   
(5,979)   
1,765   

Intangibles and other assets, net .........................................................  

16,421   

$ 

5 

4 

10 

7 

$ 

11,504 
(9,089) 
2,415 

25,790 
(21,144) 
4,646 

55,770 
(41,208) 
14,562 

9,755 
(7,988) 
1,767 

$ 

23,390 

Amortization  expense  for  intangibles  and  other  assets  was  approximately  $8.4  million  for  the  years  ended 

December 31, 2007 and 2008, respectively and $7.1 million for the year ended December 31, 2009. 

In  the  aggregate,  amortization  for  intangibles  and  other  assets  existing  as  of  December  31,  2009  for  future 
periods is expected to be approximately $3.8 million, $3.4 million, $3.3 million, $2.3 million and $1.8 million for 
the years ending December 31, 2010, 2011, 2012, 2013 and 2014, respectively. 

F-21 

 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

9. INCOME TAXES 

The components of the provision (benefit) for income taxes attributable to operations consist of the following 

(in thousands): 

Current: 

Year Ended December 31, 
2008 

2007 

2009 

Federal ...............................................................................................  
State ...................................................................................................  
Foreign ...............................................................................................  
Total current ...........................................................................................  
Deferred: 

$ 

574 
821 
 
1,395 

Federal ...............................................................................................  
State ...................................................................................................  
Foreign ...............................................................................................  
Total deferred .........................................................................................  
Total provision for income taxes ............................................................  

9,716 
72 
(1,237) 
8,551 
9,946 

$ 

  $  18,289 
3,842 
 
  22,131 

  $  15,194 
1,593 
26 
  16,813 

(408) 
(52) 
(1,592) 
(2,052) 
  $  20,079 

(2,097) 
(199) 
(122) 
(2,418) 
  $  14,395 

The components of deferred tax assets and liabilities consists of the following (in thousands): 

December 31, 

2008 

2009 

Deferred tax assets: 
Reserve for bad debts .................................................................................................  $ 
Accrued compensation ...............................................................................................    
Stock compensation ...................................................................................................    
Net operating losses ...................................................................................................    
Accrued reserve..........................................................................................................    
Capital loss carryovers ...............................................................................................    
Unrealized loss on securities ......................................................................................    
Other liabilities ...........................................................................................................    

928 
2,144 
2,115 
3,077 
 
345 
2,088 
1,401 
Total deferred tax assets ...................................................................................     12,098 

  $ 

1,093 
3,156 
3,168 
2,985 
238 
348 
1,076 
317 
  12,381 

Deferred tax liabilities: 
Prepaids ......................................................................................................................    
Depreciation ...............................................................................................................    
Intangibles ..................................................................................................................    
Total deferred tax liabilities ..............................................................................    

(522) 
(626) 
(2,607) 
(3,755) 

Net deferred tax asset .................................................................................................    
Valuation allowance ...................................................................................................    
Net deferred taxes ......................................................................................................  $ 

8,343 
(3,047) 
5,296 

  $ 

(638) 
(587) 
(2,743) 
(3,968) 

8,413 
(2,985) 
5,428 

The net long-term deferred tax liability shown on the balance sheet includes deferred tax liabilities and assets 

related to the international operations of the Company. 

F-22 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

9. INCOME TAXES  (CONTINUED) 

For  the  years  ended  December  31,  2008  and  2009,  a  valuation  allowance  has  been  established  for  certain 
deferred  tax  assets  due  to  the  uncertainty  of  realization.  The  Company’s  change  in  valuation  allowance  was  an 
increase  of  approximately  $3.0  million  for  the  year  ended  December  31,  2008  and  a  decrease  of  approximately 
$62,000 for the year ended December 31, 2009. The decrease for the  year ended December 31,  2009 is  primarily 
due to the decrease in unrealized losses on securities, which was offset by an increase in the valuation allowance for 
foreign  loss  carryforwards.  The  valuation  allowance  for  the  deferred  tax  asset  for  unrealized  losses  has  been 
recorded as an adjustment to  accumulated other comprehensive loss. The valuation allowance for the  years ended 
December 31, 2008 and 2009 also includes an allowance for capital loss carryforwards and for state net operating 
loss carryforwards. 

For  the  year  ended  December  31,  2009,  the  Company  had  income  of  approximately  $39.0  million  subject  to 
applicable  U.S.  federal  and  state  income  tax  laws  and  a  loss  of  approximately  $5.9  million  subject  to  applicable 
international tax laws. 

The Company’s provision for income taxes resulted in effective tax rates that varied from the statutory federal 

income tax rate as follows (in thousands): 

Year Ended December 31, 
2008 

2007 

2009 

$ 

Expected federal income tax provision at statutory rate.........................  
State income taxes, net of federal benefit...............................................  
Foreign income taxes, net effect ............................................................  
Stock compensation  ..............................................................................  
(Decrease) increase in valuation allowance ...........................................  
Disregarded entity election ....................................................................  
Other adjustments ..................................................................................  
Income tax expense, net .........................................................................  

8,805 
841 
156 
146 
(274) 
 
272 
9,946 

$ 

  $  15,646 
2,505 
497 
87 
1,023 
 
321 
  $  20,079 

  $  11,581 
1,778 
347 
300 
1,446 
(1,477) 
420 
  $  14,395 

The Company paid approximately $1.1 million, $13.4 million, and $19.4 million in income taxes for the years 

ended December 31, 2007, 2008 and 2009, respectively. 

The  Company  has  net  operating  loss  carryforwards  for  international  income  tax  purposes  of  approximately 

$12.6 million, which do not expire. 

The Company adopted FASB authoritative guidance for uncertain income tax positions on January 1, 2007. As 
a result of the implementation of this guidance, the Company recognized no material adjustment in the liability for 
unrecognized  income  tax  benefits.  At  the  adoption  date  of  January  1,  2007,  the  Company  had  $217,000  of 
unrecognized tax benefits, all of which would favorably affect the effective tax rate if recognized in future periods, 
and  $52,000  of  accrued  penalties  and  $47,000  of  accrued  interest.  The  Company’s  continuing  practice  is  to 
recognize interest and penalties related to income tax matters in income tax expense. 

The following tables summarize the activity related to the Company’s unrecognized tax benefits (in thousands): 

Unrecognized tax benefit as of January 1, 2007 ..............................................................................  $ 
Increase for current year tax positions  ......................................................................................   
Decrease for prior year tax positions  ........................................................................................   
Expiration of the statute of limitation for assessment of taxes ...................................................   
Unrecognized tax benefit as of December 31, 2007 ........................................................................  $ 

217 
44 
(6) 
(22) 
233 

F-23 

 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

9. INCOME TAXES  (CONTINUED) 

Unrecognized tax benefit as of December 31, 2007 ........................................................................  $ 
Increase for current year tax positions  ......................................................................................   
Decrease for prior year tax positions  ........................................................................................   
Expiration of the statute of limitation for assessment of taxes ...................................................   
Unrecognized tax benefit as of December 31, 2008 ........................................................................   
Increase for current year tax positions .......................................................................................   
Increase for prior year tax positions ...........................................................................................   
Expiration of the statute of limitation for assessment of taxes ...................................................   
Unrecognized tax benefit as of December 31, 2009 ........................................................................  $ 

233 
1,451 
(9) 
(117) 
1,558 
69 
257 
(28) 
1,856 

Approximately  $217,000  and  $142,000  of  the  unrecognized  tax  benefit  as  of  December  31,  2009,  and  2008, 
respectively, would favorably affect the annual effective tax rate, if recognized in future periods. During 2009, the 
Company  recognized  approximately  $(10,000)  of  interest  and  $20,000  of  penalties,  and  had  total  accruals  of 
approximately $164,000 for interest and $54,000 for penalties as of December 31, 2009. During 2008, the Company 
recognized  approximately  $145,000  of  interest  and  $9,000  of  penalties,  and  had  total  accruals  of  approximately 
$173,000  for  interest  and  $34,000  for  penalties  as  of  December  31,  2008.  The  Company  does  not  anticipate  the 
amount of the unrecognized tax benefits to change significantly over the next twelve months. 

The  Company’s  federal  and  state  income  tax  returns  for  tax  years  2006  through  2008  remain  open  to 
examination. The Company’s U.K. income tax returns for tax years 2003 through 2008 remain open to examination. 

10. GAIN ON LEASE SETTLEMENT, NET 

On September 14, 2007, CoStar Limited, a wholly owned U.K. subsidiary of CoStar, entered into an agreement 
with Trafigura Limited to assign to Trafigura the leasehold interest in the office space located in London. The lease 
assignment was completed on December 19, 2007. As a result, CoStar U.K. was paid approximately $7.6 million, 
net of expenses, for the assignment of the lease. The expenses associated with the lease settlement included legal, 
moving and the disposal of assets. 

11. COMMITMENTS AND CONTINGENCIES 

The Company  leases office facilities and office equipment under various noncancelable-operating leases. The 
leases contain various renewal options. Rent expense for the years ended December 31, 2007, 2008 and 2009 was 
approximately $8.1 million, $8.0 million and $9.1 million, respectively. 

Future minimum lease payments as of December 31, 2009 are as follows (in thousands): 

2010 ......................................................................................................................................................  
2011 ......................................................................................................................................................  
2012 ......................................................................................................................................................  
2013 ......................................................................................................................................................  
2014 ......................................................................................................................................................  
2015 and thereafter ................................................................................................................................  

$ 

$ 

10,530 
6,840 
4,911 
2,410 
651 
883 
26,225 

F-24 

 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

11. COMMITMENTS AND CONTINGENCIES  (CONTINUED) 

The Company and its wholly owned subsidiary CoStar U.K. Limited are defendants in legal proceedings filed in 
England by Nokia U.K. Limited (“Nokia”) related to obligations under an agreement to sublease certain office space 
from Nokia.  Nokia served its complaint upon the Company in September 2009, and the litigation is in its very early 
stages.  If there is a trial, it is not expected to occur until October 2010. The Company has filed a response asserting 
that Nokia’s claim is without merit.  The Company intends to defend itself vigorously against Nokia’s claim.  Since 
the outcome of these legal proceedings is uncertain at this time and because Nokia has requested equitable relief as 
an alternative to financial relief, the Company cannot estimate the amount of liability, if any, that could result from 
an adverse resolution of this matter.  

On  December  23,  2008,  the  Company  initiated  a  Financial  Industry  Regulatory  Authority  (“FINRA”) 
arbitration against Credit Suisse First Boston (“CSFB”) related to CSFB’s purchase of auction rate securities for the 
Company’s account.  An arbitration hearing was originally scheduled to begin during the week beginning December 
7,  2009,  but  was  rescheduled  at  the  request  of  CSFB  and  is  now  set  to  begin  on  March  8,  2010.   The  Company 
expects  to  receive  a  ruling  on  its  claim  during  the  second  quarter  of  2010.   Since  the  outcome  of  this  legal 
proceeding is uncertain at this time, the Company cannot estimate the amount of gain or loss, if any, that could result 
from the resolution of this matter. 

On  December  8,  2009,  a  former  employee  filed  a  lawsuit  against  the  Company  in  the  United  States  District 
Court for the Southern District of California alleging violations of the Fair Labor Standards Act and California state 
wage-and-hour laws and seeking unspecified damages under those laws.  The complaint also seeks to declare a class 
of all similarly situated employees to pursue similar claims.  The Company believes that the lawsuit is meritless and 
intends to defend itself vigorously against these claims and any certification of class status.  Nevertheless, because 
the lawsuit is in its early stages, the outcome of the claim is uncertain at this time and the Company cannot estimate 
the amount of liability, if any, that could result from an adverse resolution of this matter. 

In December 2009, the Company and LoopNet, Inc. settled all pending litigation between the companies.  No 

monetary consideration was involved in the settlement. 

Currently,  and  from  time  to  time,  the  Company  is  involved  in  litigation  incidental  to  the  conduct  of  its 
business.  In accordance with GAAP, the Company records a provision for a liability when it is both probable that a 
liability has been incurred and the amount can be reasonably estimated.  At the present time, while it is reasonably 
possible that an unfavorable  outcome  may occur as a result of the  Company’s current litigation,  management  has 
concluded  that  it  is  not  probable  that  a  loss  has  been  incurred  in  connection  with  the  Company’s  current 
litigation.  In addition, the Company is unable to estimate the possible loss or range of loss that could result from an 
unfavorable  outcome  in  the  Company’s  current  litigation  and  accordingly,  the  Company  has  not  recognized  any 
liability in the consolidated financial statements for unfavorable results, if any. Legal defense costs are expensed as 
incurred. 

F-25 

 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (CONTINUED) 

12.  SEGMENT REPORTING 

Due to the increased size, complexity, and funding requirements associated  with the Company’s international 
expansion, in 2007 the Company began to manage the business geographically in two operating segments, with the 
primary areas of measurement and decision-making being the U.S. and International, which includes the U.K. and 
France.  The  Company’s  subscription-based  information  services,  consisting  primarily  of  CoStar  Property 
Professional®, CoStar Tenant®, CoStar COMPS Professional®, and FOCUSTM services, currently generate more than 
95%  of  the  Company’s  total  revenues.  CoStar  Property  Professional,  CoStar  Tenant,  and  CoStar  COMPS 
Professional are generally sold as a suite of similar services and comprise the Company’s primary service offering in 
the  U.S.  operating  segment.    FOCUS  is  the  Company’s  primary  service  offering  in  the  International  operating 
segment.  Management  relies  on  an  internal  management  reporting  process  that  provides  revenue  and  segment 
EBITDA,  which  is  the  Company’s  net  income  before  interest,  income  taxes,  depreciation  and  amortization. 
Management believes that segment EBITDA is an appropriate measure for evaluating the operational performance 
of  our  segments.  EBITDA  is  used  by  management  to  internally  measure  operating  and  management  performance 
and to evaluate the performance of the business. However, this measure should be considered in addition to, not as a 
substitute  for  or  superior  to,  income  from  operations  or  other  measures  of  financial  performance  prepared  in 
accordance with GAAP. 

Summarized information by segment was as follows (in thousands): 

Year Ended December 31, 
2008 

2007 

2009 

Revenues 
United States ........................................................................................................  
International 

$  170,298 

  $  190,075 

External customers ..........................................................................................  
Intersegment revenue ......................................................................................  
Total international revenue ...................................................................................  
Intersegment eliminations ....................................................................................  
  Total revenues ....................................................................................................  

  22,507 
 
  22,507 
 
$  192,805 

    22,353 
 
    22,353 
 
  $  212,428 

 $  191,556 

    18,103 
898 
    19,001 
(898) 
 $  209,659 

EBITDA 
United States ........................................................................................................  
International .........................................................................................................  
  Total EBITDA ....................................................................................................  

32,872 
1,127 
33,999 

$ 

$ 

  $ 

  $ 

58,813 
(2,224) 
56,589 

 $ 

 $ 

47,697 
(1,186) 
46,511 

Reconciliation of EBITDA to net income 
EBITDA ...............................................................................................................  
Purchase amortization in cost of revenues ...........................................................  
Purchase amortization in operating expenses .......................................................  
Depreciation and other amortization ....................................................................  
Interest income, net ..............................................................................................  
Income tax expense, net .......................................................................................  
  Net income .........................................................................................................  

$  33,999 
  (2,170) 
  (5,063) 
  (8,914) 
8,045 
  (9,946) 
15,951 

$ 

  $ 

56,589 
(2,284) 
(4,880) 
(9,637) 
4,914 
    (20,079) 
24,623 

  $ 

 $ 

46,511 
(2,389) 
(3,412) 
(8,875) 
1,253 
    (14,395) 
18,693 
 $ 

Intersegment  revenue  is  attributable  to  services  performed  by  Property  and  Portfolio  Research  Ltd.,  a  wholly 
owned  subsidiary  of  PPR,  for  PPR.  Intersegment  revenue  is  recorded  at  cost  plus  an  agreed  margin,  which  the 
Company believes approximates fair value.  U.S. EBITDA includes a corresponding cost for the services performed 
by Property and Portfolio Research Ltd. for PPR. 

F-26 

 
 
 
 
 
  
  
 
 
 
 
   
 
  
 
 
   
   
 
   
   
  
 
 
   
 
   
 
 
 
   
 
   
 
 
   
   
  
 
 
   
 
   
 
 
 
   
 
   
 
   
   
   
   
   
   
 
   
   
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (CONTINUED) 

12.  SEGMENT REPORTING — (CONTINUED) 

International EBITDA includes a corporate allocation of approximately $2.6 million, $1.1 million and $500,000 

for the years ended December 31, 2007, 2008 and 2009, respectively. 

Summarized information by segment consists of the following (in thousands): 

December 31, 

2008 

2009 

Property and equipment, net 
United States ..........................................................................................................  $ 
International ...........................................................................................................   
  Total property and equipment, net .......................................................................  $ 

Goodwill 
United States ..........................................................................................................  $ 
International ...........................................................................................................  

Total goodwill.....................................................................................................  $ 

13,927 
2,949 
16,876 

31,547 
22,781 
54,328 

Assets 
United States ..........................................................................................................  $ 
International ...........................................................................................................    
  Total segment assets .............................................................................................  $ 

353,084 
43,474 
396,558 

Reconciliation of segment assets to total assets 
Total segment assets ...............................................................................................  $ 
Investment in subsidiaries ......................................................................................  
Intercompany receivables .......................................................................................  
  Total assets ...........................................................................................................  $ 

396,558 
(18,343) 
(43,831) 
334,384 

Liabilities 
United States ..........................................................................................................  $ 
International ...........................................................................................................   
  Total segment liabilities .......................................................................................  $ 

24,180 
40,053 
64,233 

Reconciliation of segment liabilities to total liabilities 
Total segment liabilities .........................................................................................  $ 
Intercompany payables ...........................................................................................   
  Total liabilities .....................................................................................................  $ 

64,233 
(33,270) 
30,963 

 $ 

 $ 

 $ 

 $ 

 $ 

 $ 

 $ 

 $ 

 $ 

 $ 

 $ 

 $ 

14,851 
4,311 
19,162 

55,260 
25,061 
80,321 

424,479 
44,558 
469,037 

469,037 
(18,344) 
(46,114) 
404,579 

37,838 
46,678 
84,516 

84,516 
(38,943) 
45,573 

F-27 

 
 
  
  
 
 
 
   
 
   
  
 
 
   
 
 
 
   
 
 
   
 
 
 
   
 
 
 
   
 
   
  
 
 
   
 
 
 
   
 
 
   
 
   
 
 
 
  
 
 
 
  
 
  
  
 
 
  
 
 
 
  
 
  
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

13.  STOCKHOLDERS’ EQUITY  

Preferred Stock 

The Company has 2,000,000 shares of preferred stock, $0.01 par value, authorized for issuance. The Board of 

Directors may issue the preferred stock from time to time as shares of one or more classes or series. 

Common Stock 

The  Company  has  30,000,000  shares  of  common  stock,  $0.01  par  value,  authorized  for  issuance.  Dividends 
may be declared and paid on the common stock, subject in all cases to the rights and preferences of the holders of 
preferred  stock  and  authorization  by  the  Board  of  Directors.  In  the  event  of  liquidation  or  winding  up  of  the 
Company  and  after  the  payment  of  all  preferential  amounts  required  to  be  paid  to  the  holders  of  any  series  of 
preferred stock, any remaining funds shall be distributed among the holders of the issued and outstanding common 
stock. 

14.  NET INCOME PER SHARE 

The following table sets forth the calculation of basic and diluted net income per share (in thousands except per 

share data): 

Numerator: 

Year Ended December 31, 
2008 

2009 

2007 

Net income .........................................................................................  $  15,951 

  $  24,623 

  $  18,693 

Denominator: 

Denominator for basic net income per share  weighted-

average outstanding shares .............................................................  

19,044 

19,372 

19,780 

Effect of dilutive securities: 

Stock options and restricted stock ......................................................   
Denominator for diluted net income per share  weighted-

360 

178 

145 

average outstanding shares .............................................................  

19,404 

19,550 

19,925 

Net income per share  basic ...............................................................  $ 
Net income per share  diluted .............................................................  $ 

0.84 

0.82 

  $ 

  $ 

1.27 

1.26 

  $ 

  $ 

0.95 

0.94 

Stock options to purchase approximately 80,400, 250,200 and 483,800 shares were outstanding as of December 
31,  2007,  2008  and  2009,  respectively,  but  were  not  included  in  the  computation  of  diluted  earnings  per  share 
because the exercise price of the stock options was greater than the average share price of the common shares and, 
therefore, the effect would have been anti-dilutive. 

F-28 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

15. EMPLOYEE BENEFIT PLANS 

Stock Incentive Plans  

In June 1998, the Company’s Board of Directors adopted the 1998 Stock Incentive Plan (as amended, the “1998 
Plan”)  prior  to  consummation  of  the  Company’s  initial  public  offering.    In  April  2007,  the  Company’s  Board  of 
Directors  adopted  the  CoStar  Group,  Inc.  2007  Stock  Incentive  Plan  (as  amended,  the  “2007  Plan”),  subject  to 
stockholder approval, which was obtained on June 7, 2007.  All shares of common stock that were authorized for 
issuance  under  the  1998  Plan  that,  as  of  June  7,  2007,  remained  available  for  issuance  under  the  1998  Plan 
(excluding shares subject to outstanding awards)  were rolled into the 2007 Plan and, as of that date, no  shares of 
common stock were available under the 1998 Plan.  The 1998 Plan continues to govern unexercised and unexpired 
awards issued under the 1998 Plan prior to June 7, 2007.  The 1998 Plan provides for the grant of stock and stock 
options to officers, directors and employees of the  Company and its subsidiaries. Stock options granted under the 
1998 Plan might be incentive or non-qualified. The exercise price for an incentive stock option may not be less than 
the fair market value of the Company’s common stock on the date of grant.  The vesting period of the options and 
restricted  stock  grants  is  determined  by  the  Board  of  Directors  and  is  generally  three  to  four  years.  Upon  the 
occurrence of a Change of Control, as defined in the 1998 Plan, all outstanding unexercisable options and restricted 
stock grants under the 1998 Plan immediately become exercisable. 

The  2007  Plan  provides  for  the  grant  of  stock  options,  restricted  stock,  restricted  stock  units,  and  stock 
appreciation  rights  to  officers,  employees,  directors  and  consultants  of  the  Company  and  its  subsidiaries.  Stock 
options  granted  under  the  2007  Plan  may  be  non-qualified  or  may  qualify  as  incentive  stock  options.  Except  in 
limited circumstances related to a merger or other acquisition, the exercise price for an option may not be less than 
the fair market value of the Company’s common stock on the date of grant.  The vesting period for each grant of 
options, restricted stock, restricted stock units and stock appreciation rights under the 2007 Plan is determined by the 
Board of Directors and is generally three to four years, subject to minimum vesting periods for restricted stock and 
restricted  stock  units  of  at  least  one  year.  The  Company  has  reserved  the  following  shares  of  common  stock  for 
issuance under the 2007 Plan: (a) 1,000,000 shares of common stock, plus (b) 121,875 shares of common stock that 
were authorized for issuance under the 1998 Plan that, as of June 7, 2007, remained available for issuance under the 
1998 Plan (not including any Shares that were subject as of such date to outstanding awards under the 1998 Plan), 
and (c) any shares of common stock subject to outstanding awards under the 1998 Plan as of June 7, 2007 that on or 
after such date cease for any reason to be subject to such awards (other than by reason of exercise or settlement of 
the  awards  to  the  extent  they  are  exercised  for  or  settled  in  vested  and  nonforfeitable  shares).  Unless  terminated 
sooner, the 2007 Plan will terminate in April 2017, but will continue to govern unexercised and unexpired awards 
issued under the 2007 Plan prior to that date.  Approximately 880,000 and 430,000 shares were available for future 
grant under the 2007 Plan as of December 31, 2008 and 2009, respectively. 

F-29 

 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

15. EMPLOYEE BENEFIT PLANS   (CONTINUED) 

Stock Incentive Plans  (Continued) 

Option activity was as follows:   

Number of 
Shares 

Range of 
Exercise Price 

Weighted- 
Average 
Remaining 
Contract 
Life (in 
years) 

Weighted- 
Average 
Exercise 
Price 

Aggregate 
Intrinsic 
Value 
(in thousands) 

Outstanding at December 31, 2006 ...............  

1,274,477 

$  9.00 - $52.13 

Granted ....................................................  7,000    $48.25 - $54.12   
(288,757)    $  9.00 - $45.18   
Exercised .................................................  
(24,875)    $21.28 - $51.92   
Canceled or expired .................................  

Outstanding at December 31, 2007 ...............  

967,845 

$16.20 - $54.12 

Granted ....................................................  93,900    $43.99 - $55.07   
(198,434)    $17.77 - $45.18   
Exercised .................................................  
(47,725)    $39.00 - $52.13   
Canceled or expired .................................  

Outstanding at December 31, 2008 ...............  
Granted ....................................................  
Exercised .................................................  
Canceled or expired .................................  

815,586 
267,756    $25.00 - $40.13   
(85,228)    $17.35 - $36.38   
(44,818)    $30.06 - $46.81   

$16.20 - $55.07 

$32.23 
$50.77 
$28.16 
$44.82 

$33.25 
$45.76 
$33.05 
$46.36 

$33.98 
$31.05 
$26.20 
$39.40 

Outstanding at December 31, 2009 ...............  

953,296 

$16.20 - $55.07 

$33.60 

5.54 

$9,119 

Exercisable at December 31, 2007 ................  

826,782 

$16.20 - $52.13 

$31.07 

Exercisable at December 31, 2008 ................  

701,975 

$16.20 - $54.12 

$31.84 

Exercisable at December 31, 2009 ................  

650,063 

$16.20 - $55.07 

$33.60 

3.87 

$6,376 

The aggregate intrinsic value is calculated as the difference between (i) the closing price of the common stock at 
December 31, 2007, 2008 and 2009 and (ii) the exercise prices of the underlying awards, multiplied by the shares 
underlying options as of December 31, 2007, 2008 and 2009, that had an exercise price less than the closing price on 
that date. Options to purchase 288,757, 198,434, and 85,228 shares  were exercised for the  years ended December 
31, 2007, 2008, and 2009, respectively.  The aggregate intrinsic value of options exercised, determined as of the date 
of option exercise, was $7.5 million, $3.4 million and $1.2 million, respectively. 

At  December  31,  2009,  there  was  $11.3  million  of  unrecognized  compensation  cost  related  to  stock-based 

payments, net of forfeitures, which is expected to be recognized over a weighted-average-period of 2.2 years. 

The weighted-average grant date fair value of each option granted during the years ended December 2007, 2008 

and 2009 was $32.70, $27.81and $12.72, respectively. 

F-30 

 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

15. EMPLOYEE BENEFIT PLANS  (CONTINUED) 

Stock Incentive Plans  (Continued) 

The  Company  estimated  the  fair  value  of  each  option  granted  on  the  date  of  grant  using  the  Black-Scholes 

option-pricing model, using the assumptions noted in the following table: 

Year Ended December 31, 
2008 

2009 

2007 

Dividend yield ........................................................................................   0% 
Expected volatility .................................................................................   61% 
Risk-free interest rate .............................................................................  4.7% 
Expected life (in years) ..........................................................................   5 

0% 
59% 
3.0% 
5 

0% 
43% 
2.2% 
3 

The  assumptions  above  and  the  estimation  of  expected  forfeitures  are  based  on  multiple  facts,  including 
historical  employee  behavior  patterns  of  exercising  options  and  post-employment  termination  behavior,  expected 
future employee option exercise patterns, and the historical volatility of the Company’s stock price. 

The following table summarizes information regarding options outstanding at December 31, 2009:    

Options Outstanding 

Options Exercisable 

Range of 
Exercise Price 
  $16.20 - $20.30   
  $20.60 - $24.88   
  $25.00 - $25.00   
  $25.01 - $30.06   
  $30.75 - $37.42   
  $38.63 - $39.53   
  $39.81 - $43.99   
  $44.06 - $51.92   
  $54.12 - $54.12   
  $55.07 - $55.07   
  $16.20 - $55.07   

Number of 
Shares 

146,522   
44,000   
133,600   
139,516   
108,276   
106,057   
106,375   
150,950   
3,000   
15,000   
953,296   

Weighted-Average 
Remaining 
Contractual Life 
(in years) 
2.13 
2.33 
9.16 
3.26 
8.93 
4.00 
7.31 
5.74 
7.42 
8.67 
5.54 

Weighted-
Average 
Exercise Price 
$18.85 
$23.13 
$25.00 
$28.71 
$36.62 
$39.10 
$43.00 
$47.89 
$54.12 
$55.07 
$33.60 

Number of 
Shares 
146,522 
44,000 
0 
139,516 
7,063 
106,057 
50,289 
149,616 
2,000 
5,000 
650,063 

Weighted-
Average 
Exercise Price 
$18.85 
$23.13 
$0.00 
$28.71 
$31.86 
$39.10 
$42.56 
$47.88 
$54.12 
$55.07 
$33.60 

The following table presents unvested restricted stock awards activity for the year ended December 31, 2009: 

Number 
of 
Shares 
Unvested restricted stock at December 31, 2008 .........................................   273,353 
Granted ...................................................................................................   236,661 
Vested .....................................................................................................  
Canceled .................................................................................................  

(67,433)   
(23,234)   

Unvested restricted stock at December 31, 2009 .........................................   419,347 

Weighted-Average 
Grant Date 
Fair Value per Share 
$49.12 
$29.43 
$45.52 
$34.33 
$39.40 

F-31 

 
 
 
 
 
 
 
 
   
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

15. EMPLOYEE BENEFIT PLANS  (CONTINUED) 

Employee 401(k) Plan  

The Company maintains a 401(k) Plan (the “401(k)”) as a defined contribution retirement plan for all eligible 
employees.  The 401(k) provides for tax-deferred contributions of employees’ salaries, limited to a maximum annual 
amount as established by the Internal Revenue Service. In 2007and 2008, the Company matched 100% of employee 
contributions  up  to  a  maximum  of  6%  of  total  compensation.  In  2009,  the  Company  matched  50%  of  employee 
contributions up to a maximum of 6% of total compensation.  Amounts contributed to the 401(k) by the Company to 
match  employee  contributions  for  the  years  ended  December  31,  2007,  2008  and  2009  were  approximately  $2.3 
million, $2.6 million and $1.4 million, respectively. The Company paid administrative expenses in connection with 
the 401(k) plan of approximately $22,000, $28,000 and $0 for the years ended December 31, 2007, 2008 and 2009, 
respectively. 

Employee Pension Plan 

The Company maintains a company personal pension plan for all eligible employees in the Company’s London, 
England  office.  The  plan  is  a  defined  contribution  plan.  Employees  are  eligible  to  contribute  a  portion  of  their 
salaries,  subject to a  maximum annual amount as established by the Inland  Revenue. The  Company  contributes a 
match subject to the percentage of the employees’ contribution. Amounts contributed to the plan by the Company to 
match  employee  contributions  for  the  years  ended  December  31,  2007,  2008  and  2009  were  approximately 
$281,000, $265,000 and $130,000, respectively. 

Employee Stock Purchase Plan  

As of August 1, 2006, the Company introduced an Employee Stock Purchase Plan (“ESPP”), pursuant to which 
eligible employees participating in the plan authorize the Company to withhold from the employees’ compensation 
and  use  the  withheld  amounts  to  purchase  shares  of  the  Company's  common  stock  at  90%  of  the  market  price. 
Participating employees are able to purchase common stock under this plan during the offering period. The offering 
period  begins  the  second  Saturday  before  each  of  the  Company’s  regular  pay  dates  and  ends  on  each  of  the 
Company’s  regular  pay  dates.    There  were  78,840  and  72,237  shares  available  for  purchase  under  the  plan  as  of 
December 31, 2008 and 2009, respectively and approximately 7,400 and 6,600 shares of the Company’s common 
stock were purchased during 2008 and 2009, respectively. 

16. RELATED PARTY TRANSACTIONS  

In April 2009, the Company entered into an engagement with ghSMART & Company, Inc. (“ghSMART”), a 
management consulting firm, to evaluate the Company’s sales force senior management and provide guidance with 
respect to hiring and recruiting best practices for the Company’s sales force. Randy Street, a Partner of ghSMART, 
is the brother-in-law of the Company’s Chief Executive Officer. Mr. Street has acted and will continue to act as the 
senior client manager on this project. He has a less than 0.5 percent equity stake in ghSMART. Mr. Street is paid 25 
percent of the amounts paid by the Company pursuant to the engagement. Pursuant to the engagement, the Company 
paid  ghSMART  approximately  $202,000  plus  expenses.  The  Audit  Committee  reviewed  and  approved  the 
engagement  with  ghSMART  prior  to  commencement  of  the  engagement.  In  October  2009,  the  Audit  Committee 
reviewed  and  approved  phase  II  of  the  engagement  for  an  additional  amount  of  approximately  $255,000  plus 
expenses. Mr. Street will act in the same capacity during phase II and receive the same percentage compensation for 
this portion of the engagement. The Company may enter into additional engagements with ghSMART in the future. 

F-32 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
COSTAR GROUP, INC. 
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS  (CONTINUED) 

17. SUBSEQUENT EVENTS 

In February 2010, the Company purchased a 169,429 square-foot LEED Gold certified office building located 
at 1331 L Street, NW in downtown Washington, D.C. together with the tenancy in the underlying ground lease for 
the property for a purchase price of $41.25 million in cash. This facility  will be used primarily by the Company’s 
U.S. segment. The Company intends to begin relocating its Bethesda-based employees and infrastructure to the new 
building  starting  in  the  second  quarter  of  2010.  The  Company  currently  expects  to  complete  its  relocation  by 
October 2010 and allow the lease of its Bethesda property to expire.  

In February 2010, the Company assumed the ground lease for the parcel of land under a building purchased in 
Washington,  D.C.  The  lease,  which  expires  February  29,  2088,  requires  the  payment  of  minimum  annual  rent  of 
$778,000 through February 29, 2012, then $918,040 annually to February 29, 2024. Thereafter, the minimum rate is 
adjusted to fair market value, as defined in the lease, once every 7 years.   

Subsequent  events  have  been  evaluated  through  February  25,  2010,  the  date  these  financial  statements  were 

issued. 

F-33 

 
 
 
 
SUBSIDIARIES OF THE REGISTRANT 

EXHIBIT 21.1 

     a) CoStar Realty Information, Inc., a Delaware corporation 

     b) CoStar Limited, a U.K. company 

     c) CoStar U.K. Limited, a U.K. company 

d) Property Investment Exchange Limited, a U.K. company 

e) Grecam S.A.S., a France Societée par Actions Simplifiée 

f) Property and Portfolio Research, Inc., a Delaware corporation 

g) Property and Portfolio Research Ltd., a U.K. company 

h) Resolve Technology, Inc., a Delaware corporation 

i) 1331 L Street Holdings, LLC, a Delaware limited liability company 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Consent of Independent Registered Public Accounting Firm 

EXHIBIT 23.1 

We  consent  to  the  incorporation  by  reference  in  the  following  Registration  Statements  of  CoStar  Group,  Inc. 

and in the related Prospectuses:  

(1)   Registration Statement Number 333-82599 on Form S-8 
(2)   Registration Statement Number 333-92165 on Form S-8 
(3)   Registration Statement Number 333-45770 on Form S-8 
(4)   Registration Statement Number 333-69548 on Form S-8 
(5)   Registration Statement Number 333-135709 on Form S-8 
(6)   Registration Statement Number 333-143968 on Form S-8 

of our reports dated February 25, 2010, with respect to the consolidated financial statements of CoStar Group, Inc., 
incorporated  by  reference  in  its  Annual  Report  (Form  10-K)  for  the  year  ended  December  31,  2009,  and  the 
financial statement schedule of CoStar Group, Inc., and the effectiveness of internal control over financial reporting 
of CoStar Group, Inc included therein, filed with the Securities and Exchange Commission.  

/s/ Ernst & Young LLP  

McLean, Virginia 
February 25, 2010  

 
 
 
 
 
 
 
 
 
 
EXHIBIT 31.1 

CERTIFICATION 

I, Andrew C. Florance, certify that:  

1.  I have reviewed this annual report on Form 10-K of CoStar Group, Inc.;  

2.  Based on my  knowledge, this report does not contain any untrue statement of a material fact or omit to state a 
material fact necessary to make the statements made, in light of the circumstances under which such statements 
were made, not misleading with respect to the period covered by this report; 

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly 
present in all material respects the financial condition, results of operations and cash flows of the registrant as of, 
and for, the periods presented in this report; 

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls 
and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial 
reporting (as defined in Exchange Act Rules 13(a)-15(f) and 15(d)-15(f)) for the registrant and have: 

a)  Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be 
designed under our supervision, to ensure that material information relating to the registrant, including its 
consolidated  subsidiaries,  is  made  known  to  us  by  others  within  those  entities,  particularly  during  the 
period in which this report is being prepared; 

b)  Designed  such  internal  control  over  financial  reporting,  or  caused  such  internal  control  over  financial 
reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of 
financial  reporting  and  the  preparation  of  financial  statements  for  external  purposes  in  accordance  with 
generally accepted accounting principles; 

c)  Evaluated  the  effectiveness  of  the  registrant’s  disclosure  controls  and  procedures  and  presented  in  this 
report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the 
period covered by this report based on such evaluation; and 

d)  Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred 
during  the  registrant’s  most  recent  fiscal  quarter  (the  registrant’s  fourth  fiscal  quarter  in  the  case  of  an 
annual  report)  that  has  materially  affected,  or  is  reasonably  likely  to  materially  affect,  the  registrant’s 
internal control over financial reporting; and 

5.  The  registrant’s  other  certifying  officers  and  I  have  disclosed,  based  on  our  most  recent  evaluation  of  internal 
control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of 
directors (or persons performing the equivalent functions): 

a)  All  significant  deficiencies  and  material  weaknesses  in  the  design  or  operation  of  internal  control  over 
financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, 
summarize and report financial information; and 

b)  Any fraud, whether or not material, that involves management or other employees who have a significant 

role in the registrant’s internal control over financial reporting. 

Date: February 25, 2010 

By: 

/s/ Andrew C. Florance 
Andrew C. Florance 
Chief Executive Officer 
(Principal Executive Officer and 
Duly Authorized Officer) 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EXHIBIT 31.2 

CERTIFICATION 

I, Brian J. Radecki, certify that:  

1.  I have reviewed this annual report on Form 10-K of CoStar Group, Inc.; 

2.  Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a 
material fact necessary to make the statements made, in light of the circumstances under which such statements 
were made, not misleading with respect to the period covered by this report; 

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly 
present in all material respects the financial condition, results of operations and cash flows of the registrant as of, 
and for, the periods presented in this report;  

4. The registrant’s other certifying officers and I are responsible for establishing and maintaining disclosure controls 
and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial 
reporting (as defined in Exchange Act Rules 13(a)-15(f) and 15(d)-15(f)) for the registrant and have: 

a)  Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be 
designed under our supervision, to ensure that material information relating to the registrant, including its 
consolidated  subsidiaries,  is  made  known  to  us  by  others  within  those  entities,  particularly  during  the 
period in which this report is being prepared; 

b)  Designed  such  internal  control  over  financial  reporting,  or  caused  such  internal  control  over  financial 
reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of 
financial  reporting  and  the  preparation  of  financial  statements  for  external  purposes  in  accordance  with 
generally accepted accounting principles; 

c)  Evaluated  the  effectiveness  of  the  registrant’s  disclosure  controls  and  procedures  and  presented  in  this 
report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the 
period covered by this report based on such evaluation; and 

d)  Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred 
during  the  registrant’s  most  recent  fiscal  quarter  (the  registrant’s  fourth  fiscal  quarter  in  the  case  of  an 
annual  report)  that  has  materially  affected,  or  is  reasonably  likely  to  materially  affect,  the  registrant’s 
internal control over financial reporting; and 

5.  The  registrant’s  other  certifying  officers  and  I  have  disclosed,  based  on  our  most  recent  evaluation  of  internal 
control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of 
directors (or persons performing the equivalent functions): 

a)  All  significant  deficiencies  and  material  weaknesses  in  the  design  or  operation  of  internal  control  over 
financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, 
summarize and report financial information; and 

b)  Any fraud, whether or not material, that involves management or other employees who have a significant 

role in the registrant’s internal control over financial reporting. 

Date: February 25, 2010 

By: 

/s/ Brian J. Radecki 
Brian J. Radecki 
Chief Financial Officer 
(Principal Financial and Accounting 
Officer and Duly Authorized Officer) 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EXHIBIT 32.1 

CoStar Group, Inc. 
2 Bethesda Metro Center, 10th floor 
Bethesda, MD 20814 

February 25, 2010 

Securities and Exchange Commission 
450 5th Street, NW 
Washington, DC 20549 

Re:  Certification Of Principal Executive Officer Pursuant To 18 U.S.C. Sec. 1350 

Dear Ladies and Gentlemen:  

In connection with the accompanying Annual Report on Form 10-K of CoStar Group, Inc., for the year ended 
December 31, 2009, I, Andrew C. Florance, Chief Executive Officer of CoStar Group, Inc., hereby certify pursuant 
to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: 

1)  such  Annual  Report  on  Form  10-K  of  CoStar  Group,  Inc.,  for  the  year  ended  December  31,  2009,  fully 
complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C 78m or 
78o (d)); and 

2)  the  information  contained  in  such  Annual  Report  on  Form  10-K  of  CoStar  Group,  Inc.,  for  the  year  ended 
December  31,  2009,  fairly  presents,  in  all  material  respects,  the  financial  condition  and  results  of  operations  of 
CoStar Group, Inc. 

By: 

/s/ Andrew C. Florance 
Andrew C. Florance 
Chief Executive Officer 
(Principal Executive Officer and 
Duly Authorized Officer) 

A  signed  original  of  this  written  statement  required  by  Section  906,  or  other  document  authenticating, 
acknowledging or otherwise adopting the signature that appears in typed form within the electronic version of this 
written statement required by Section 906, has been provided to CoStar Group, Inc. and will be retained by CoStar 
Group, Inc. and furnished to the Securities and Exchange Commission or its staff upon request. 

In accordance with Item 601 of Regulation S-K, this certification is being “furnished” as Exhibit 32.1 to CoStar 
Group, Inc.’s annual report and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange 
Act  of  1934  (the  “Exchange  Act”)  or  otherwise  subject  to  the  liabilities  of  that  section,  nor  shall  it  be  deemed 
incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as expressly set 
forth by specific reference in such a filing. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
EXHIBIT 32.2 

CoStar Group, Inc. 
2 Bethesda Metro Center, 10th floor 
Bethesda, MD 20814 

February 25, 2010 

Securities and Exchange Commission 
450 5th Street, NW 
Washington, DC 20549 

Re: Certification Of Principal Financial Officer Pursuant To 18 U.S.C. Sec. 1350 

Dear Ladies and Gentlemen: 

In connection with the accompanying Annual Report on Form 10-K of CoStar Group, Inc., for the year ended 
December 31, 2009, I, Brian J. Radecki, Chief Financial Officer of CoStar Group, Inc., hereby certify pursuant to 18 
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: 

1)  such  Annual  Report  on  Form  10-K  of  CoStar  Group,  Inc.,  for  the  year  ended  December  31,  2009,  fully 
complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 
78o (d)); and 

2)  the  information  contained  in  such  Annual  Report  on  Form  10-K  of  CoStar  Group,  Inc.,  for  the  year  ended 
December  31,  2009,  fairly  presents,  in  all  material  respects,  the  financial  condition  and  results  of  operations  of 
CoStar Group, Inc. 

By: 

/s/ Brian J. Radecki 
Brian J. Radecki 
Chief Financial Officer 
(Principal Financial and Accounting 
Officer and Duly Authorized Officer) 

A  signed  original  of  this  written  statement  required  by  Section  906,  or  other  document  authenticating, 
acknowledging or otherwise adopting the signature that appears in typed form within the electronic version of this 
written statement required by Section 906, has been provided to CoStar Group, Inc. and will be retained by CoStar 
Group, Inc. and furnished to the Securities and Exchange Commission or its staff upon request. 

In accordance with Item 601 of Regulation S-K, this certification is being “furnished” as Exhibit 32.2 to CoStar 
Group, Inc.’s annual report and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange 
Act  of  1934  (the  “Exchange  Act”)  or  otherwise  subject  to  the  liabilities  of  that  section,  nor  shall  it  be  deemed 
incorporated by reference in any filing under the Securities Act of 1933 or the Exchange Act, except as expressly set 
forth by specific reference in such a filing. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Michael R. Klein

Andrew C. Florance*

David Bonderman

Michael J. Glosserman

Warren H. Haber

Josiah O. Low, III

Christopher J. Nassetta

Brian J. Radecki*

John L. Stanfill*

Jennifer L. Kitchen*

Paul Marples*

Frank A. Carchedi

Jonathan M. Coleman

Simon A. Durkin

Craig S. Farrington

Craig  F.  Gomez

Susan E. Jeffress

Daniel M. Kimball

Frank A. Simuro

Dean L. Violagis

BoaRD oF DIReCToRS

ManaGeMenT TeaM

Michael R. Klein
Chairman of the Board, CoStar Group, Inc. 
and Chairman of the Board of 
The Sunlight Foundation

andrew C. Florance*
President & Chief Executive Officer

Craig F. Gomez
Chief Human Resources Officer

Brian J. Radecki*
Chief Financial Officer

Susan e. Jeffress
Vice President, Customer Service

andrew C. Florance*
President & Chief Executive Officer, 
CoStar Group, Inc.

David Bonderman
Founding Partner, TPG Capital, L.P.

Michael J. Glosserman
Managing Partner
The JBG Companies

John l. Stanfill*
Senior Vice President, Sales &  
Customer Service

Jennifer l. Kitchen*
Senior Vice President, Research

Paul Marples*
Managing Director, CoStar UK Limited

Daniel M. Kimball
Vice President, Marketing

Frank a. Simuro
Chief Information Officer

Dean l. violagis
Vice President, Research

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*

Warren h. haber
Chairman of the Board & Chief 
Executive Officer, Founders Equity Inc.

Frank a. Carchedi
Senior Vice President,  
Corporate Development

Josiah o. low, III
Senior Advisor, Catterton Partners L.P.

Jonathan M. Coleman
General Counsel & Secretary

Christopher J. nassetta
President & Chief Executive Officer,
Hilton Worldwide

Simon a. Durkin
Director of Analytics,  
CoStar UK Limited

Craig S. Farrington
Vice President, Research

This  report  contains  “forward-looking  statements,” 
including,  without  limitation,  statements  regarding 
CoStar’s  expectations,  beliefs,  intentions  or  strate-
gies  regarding  the  future.  These  statements  are 
subject  to  many  risks  and  uncertainties  that  could 
cause  actual  results  to  differ  materially  from  these 
statements. Please review the section entitled “Risk 
Factors”  in  CoStar’s  Form  10-K  for  the  year  ended 
December  31,  2009  for  potential  factors  that  could 
cause  actual  results  to  differ  materially  from  these 
forward-looking  statements.  All  forward-looking 
statements  are  based  on  information  available  to 
CoStar on the date of this report, and we assume no 
obligation to update such statements.

 
 
 
 
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CoSTaR GRoUP, InC

1331 L Street, NW 
Washington DC, 20005

1.800.811.4798
www.costar.com

©2010 COSTAR GROUP, INC.