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CoStar Group (NASDAQ: CSGP), is a leading provider of online real estate marketplaces, information, and analytics in the property markets. Founded in 1987, CoStar conducts expansive, ongoing research to produce and maintain the largest and most comprehensive database of commercial real estate information. Our suite of online services enables clients to analyze, interpret and gain unmatched insight on commercial property values, market conditions and current availabilities. STR provides premium data benchmarking, analytics, and marketplace insights for the global hospitality industry. Ten-X provides a leading platform for conducting commercial real estate online auctions and negotiated bids. LoopNet is the most heavily trafficked commercial real estate marketplace online.,,,, Westside Rentals,,, and form the premier online apartment resource for renters seeking great apartment homes and provide property managers and owners a proven platform for marketing their properties. Homesnap is an industry-leading online and mobile software platform that provides user-friendly applications to optimize residential real estate agent workflow and reinforce the agent-client relationship. is the fastest growing online residential marketplace that connects agents, buyers, and sellers. BureauxLocaux is one of the largest specialized property portals for buying and leasing commercial real estate in France. Business Immo is France’s leading commercial real estate news service. CoStar Group’s websites attract tens of millions of unique monthly visitors. Headquartered in Washington, DC, CoStar Group maintains offices throughout the U.S., Europe, Canada, and Asia.

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Ticker CSGP
Revenue $1.4 billion
Funding $767.5 million
Employees 6,361 (5,110 on RocketReach)
Founded 1987
Address 1331 L Street, NW, Washington, District of Columbia 20005, US
Phone (800) 204-5960
Fax (877) 739-0486
JavaScript, HTML, Twitter +294 more (view full list)
Category Real Estate, Research, Marketing, Product Development, Analytics, Commercial Real Estate
SIC SIC Code 653 Companies, SIC Code 65 Companies
NAICS NAICS Code 5313 Companies, NAICS Code 53 Companies, NAICS Code 53121 Companies, NAICS Code 5312 Companies, NAICS Code 531390 Companies, NAICS Code 53139 Companies, NAICS Code 531 Companies

CoStar Group Questions

The CoStar Group annual revenue was $1.4 billion in 2024.

Scott Wheeler is the CFO of CoStar Group.

5,110 people are employed at CoStar Group.

CoStar Group is based in Washington, District of Columbia.

The NAICS codes for CoStar Group are [5313, 53, 53121, 5312, 531390, 53139, 531].

The SIC codes for CoStar Group are [653, 65].

Top CoStar Group Employees

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