CoStar Group Inc

1CSGP

Company Profile

  • Business description

    CoStar Group is a global provider of proprietary information, analytics, and online marketplaces serving both commercial and residential real estate. The firm operates through a diverse portfolio of brands, including CoStar Suite for commercial real estate research, LoopNet for commercial listings, Apartments.com for multifamily rentals, and Homes.com for residential brokerage. It primarily sells high-margin software-as-a-service subscriptions that provide institutional clients with forensic property data and premium advertising visibility. With operations across North America, Europe, and Asia-Pacific, CoStar maintains the industry’s most comprehensive centralized real estate database, functioning as a critical information utility for brokers, lenders, and owners worldwide.

  • Contact

    1201 Wilson Boulevard
    ArlingtonVA22209
    USA

    T: +1 202 346-6500

    E: [email protected]

    https://www.costargroup.com

  • Sector

    Real Estate

    Stock type

    Cyclical

  • Industry

    Real Estate Services

    Fiscal Year End

    31 December 2026

    Employees

    8,000

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