COSTAR GROUP, INC.
Close on Oct 19, 2026
- Market cap
- $12.86B
- P/E (TTM)
- 167.4
- Dividend yield
- –
About Costar
Services-Business Services, NEC, SIC 7389
CoStar Group provides online real estate marketplaces, information, analytics, and 3D digital twin technology across property markets. The company operates through two main business segments: Commercial Real Estate and Residential Real Estate. Its commercial portfolio includes the CoStar real estate intelligence platform, LoopNet commercial marketing networks, BizBuySell for business sales, Ten-X for commercial property auctions, and Matterport spatial data capture services. Its residential brands include Apartments.com, Homes.com, Land.com, Domain in Australia, and OnTheMarket in the United Kingdom. CoStar Group serves property owners, real estate agents and brokers, developers, institutional investors, appraisers, financial institutions, and property managers.
The company maintains international operations across North America, Europe, Australia, and Asia-Pacific. CoStar Group employs more than 8,000 workers across 20 countries, including 6,602 employees in the United States, 1,155 across Asia and Oceania, 608 in Europe, 72 in Canada, and four in Latin America. The provided text details sales and campus facilities in Richmond, Virginia, but does not identify a headquarters location.
Summary of the business section of Costar's latest annual report, written by StockData.
Company profile
Company
- Legal name
- COSTAR GROUP, INC.
- Founded
- 1987
- Headquarters
- Arlington, VA
- Address
- 1201 Wilson Blvd. 22209
- Phone
- (202) 346-6500
- Website
- costargroup.com
- Employees
- 6,593, Dec 31, 2024
- Industry
- Services-Business Services, NEC
- Incorporated in
- Delaware
- Fiscal year ends
- December 31
- Auditor
- Ernst & Young LLP, Tysons, Virginia
Stock & identifiers
- Ticker
- CSGP
- Exchange
- Nasdaq
- IPO date
- May 5, 1999
- Shares outstanding
- 405M, Jul 27, 2026
- Public float
- $33.90B, Jun 30, 2025
- Filer category
- Large accelerated filer
- Stock splits
- 10-for-1, Jun 28, 2021; 10-for-1, Jun 7, 2021
- SEC CIK
- 1057352
- CUSIP
- 22160N109
- ISIN
- US22160N1090
- LEI
- 984500Q1D53D08E2E698
- EIN
- 52-2091509
Executives and directors
Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years
| Name | Position | Shares owned |
|---|---|---|
| Andrew C. Florance | Founder and CEO, Director | 1,806,165 |
| Cynthia Cammett Cann | Chief Accounting Officer | 18,822 |
| Frederick G. Saint | President, Marketplaces | 278,415 |
| Robin Jack Rossmann | Chief Financial Officer | 86,691 |
| Christian M. Lown | Chief Financial Officer | 129,653 |
| Michael J. Desmarais | Chief Human Resources Officer | 87,725 |
| Frank Simuro | Chief Technology Officer | 414,491 |
| Lisa Ruggles | Senior VP, Global Operations | 174,915 |
| Gene Boxer | General Counsel and Secretary | 95,517 |
| John W. Hill | Director | 22,993 |
| Rachel C. Glaser | Director | 12,419 |
| Louise S. Sams | Director | 28,671 |
| Christine M. McCarthy | Director | 11,585 |
| John L. Berisford | Director | 11,235 |
| Robert W. Musslewhite | Director | 26,539 |
| Angelique G. Brunner | Director | 18,428 |
| Nana Banerjee | Director | – |
| Michael R. Klein | Director | 1,863,088 |
| Christopher J. Nassetta | Director | 275,715 |
CEO pay and shareholder return
Pay versus performance table from the proxy statement
| Fiscal year | CEO total pay | CEO pay actually paid | Other executives (avg) | Value of $100 invested | Peer group |
|---|---|---|---|---|---|
| FY2025 Andrew C. Florance | $36.43M | $33.17M | $8.07M | $112 | $123 |
| FY2024 Andrew C. Florance | $37.39M | $8.22M | $8.23M | $120 | $119 |
| FY2023 Andrew C. Florance | $29.18M | $28.62M | $7.29M | $146 | $113 |
| FY2022 Andrew C. Florance | $19.42M | $16.18M | $5.63M | $129 | $101 |
| FY2021 Andrew C. Florance | $22.16M | $11.43M | $6.62M | $132 | $137 |
| FY2020 Andrew C. Florance | $21.30M | $43.42M | $5.35M | $154 | $116 |
“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.
Employees
Headcount reported in annual reports
“As of January 31, 2025, we employed 6,593 employees.”
Corporate history
Events identified from SEC filings
| Date | Event | Details |
|---|---|---|
| Feb 28, 2025 | Acquisition / sale | Completion of acquisition or disposition of assets (8-K Item 2.01) |
| May 21, 2024 | Merger | Registration of securities for a merger or exchange offer (S-4) |
| Apr 4, 2014 | Acquisition / sale | Completion of acquisition or disposition of assets (8-K Item 2.01) |
| Apr 30, 2012 | Acquisition / sale | Completion of acquisition or disposition of assets (8-K Item 2.01) |
| May 13, 2011 | Merger | Registration of securities for a merger or exchange offer (S-4) |
| Feb 24, 2011 | Acquisition / sale | Completion of acquisition or disposition of assets (8-K Item 2.01) |
| Feb 3, 2011 | Acquisition / sale | Completion of acquisition or disposition of assets (8-K Item 2.01) |
| Feb 8, 2010 | Acquisition / sale | Completion of acquisition or disposition of assets (8-K Item 2.01) |
| Dec 10, 1999 | Merger | Registration of securities for a merger or exchange offer (S-4) |
| May 5, 1999 | IPO | Initial public offering priced (424B4 prospectus) |
| May 5, 1999 | Name change | Name changed from REALTY INFORMATION GROUP INC to COSTAR GROUP INC |