CoStar Group

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CoStar Group, Inc.
Industry Technology, Commercial Real Estate
Founded 1987
Area served
United States, Canada, UK, Europe
Key people
Andrew Florance, President & CEO
Brian Radecki, CFO
Michael Klein, Independent Chairman of the Board
Products Commercial real estate information and marketing
Revenue Increase US$ 576 million (2014)[1]
Number of employees
Approximately 2,500

CoStar Group, Inc. is an American commercial real estate information and marketing provider with headquarters in Washington, DC. The company has approximately 2,500 employees.


CoStar Group, Inc. (CoStar) was founded in 1987 by Andrew Florance in Washington, DC. CoStar was incorporated on February 2, 1998. CoStar is a provider of information, analytics and marketing services to the commercial real estate industry in the United States and United Kingdom. The Company’s 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, analytical capabilities, information for clients' Websites, information about industry professionals and their business relationships, data integration and industry news. Its service offerings span all commercial property types, including office, industrial, retail, land, mixed-use, hospitality and multifamily.

CoStar Group went public in 1998 and is traded on the NASDAQ under the symbol CSGP.

In April 2012, the Company completed the acquisition of LoopNet, Inc for $860 million.[2]

In April 2014, CoStar Group Inc completed the acquisition of for $585 million.[3]