CoStar Group, Inc. operates as a premier provider of information, analytics, and online marketplaces for the commercial and residential real estate industries. The company's business model is primarily subscription-based, generating highly recurring revenue from real estate professionals, property managers, and owners who rely on its data and listing platforms. CoStar's flagship product, the CoStar suite, provides comprehensive commercial real estate data and analytics, generating approximately $1.02 billion in revenue in 2024. Its marketplace segment is led by Apartments.com, the leading U.S. platform for apartment rentals, which generated $1.07 billion in 2024. Other key brands include LoopNet (commercial real estate listings), Homes.com (residential real estate), STR (hospitality data and benchmarking), Ten-X (online commercial real estate auctions), and Matterport (3D digital twin technology). Geographically, while CoStar generates the vast majority of its revenue in the United States, it has a growing international footprint with operations in the United Kingdom, Canada, France, Germany, Spain, and Australia. The company maintains a strong competitive moat due to its massive proprietary database, which has been built over decades through extensive ongoing research and strategic acquisitions. By combining mission-critical industry data with high-traffic consumer marketplaces, CoStar serves as an essential digital infrastructure layer for the global real estate market.
