CoStar Group

CoStar Group (NASDAQ: CSGP) is the provider of commercial real estate information, analytics and marketing services.


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Products and services

CoStar’s suite of online services enables clients to analyze, interpret and gain unmatched insight into commercial property values, market conditions and current availabilities. STR provides premium data benchmarking, analytics and marketplace insights for the global hospitality sector. 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.

About the business

CoStar conducts expansive, ongoing research to produce and maintain the largest and most comprehensive database of commercial real estate information.


Headquartered in Washington DC, United States of America, the CoStar was founded in 1987 by Andrew C. Florance, Derek Anderson, and Robert Khodadadian.

About the owners and the team

CoStar is run by a large team of over 5 thousand employees managed by Andrew C. Florance, the founder and CEO of the company.

Simple solutions for complex times.