
"Sector" = median of Real Estate across 61 companies
CoStar Group, Inc. is a leading provider of information, analytics, and online marketplaces for the commercial real estate industry. Founded in 1987 and headquartered in Washington, D.C., the company operates a suite of digital platforms that aggregate property data, listings, and research. Its flagship products include CoStar (commercial property data), LoopNet (online marketplace for commercial real estate), Apartments.com (rental listings), and Ten-X (online auction platform). CoStar serves professionals across brokerage, finance, development, and property management sectors.
CoStar generates revenue primarily through subscription fees for its data and analytics services, as well as listing fees on its marketplaces. The Apartments.com network, which includes Rent.com and ApartmentFinder.com, is a major revenue driver, monetized through advertising and lead generation. The company also earns transaction fees from its Ten-X auction platform. With a high gross margin of 78.87%, CoStar benefits from scalable digital products, though operating margin is slightly negative (-2.22%) due to heavy investment in sales and technology.
The company operates in the Real Estate Services industry within the Real Estate sector. It holds a dominant position in commercial real estate data and online listings, competing with firms like Zillow Group (residential) and Realtor.com. CoStar's competitive advantage lies in its comprehensive proprietary database and brand recognition among professionals. Despite a high P/E ratio (564.83) and EV/EBITDA (66.41), the company has strong revenue growth (22.54% YoY) and improving profitability, with net income turning positive in recent quarters.
CoStar's primary customers are commercial real estate professionals, including brokers, investors, and property managers, as well as residential renters and landlords using its apartment platforms. Its main geographic market is the United States, where it covers over 6 million commercial properties and millions of rental listings. The company has a solid cash position ($1.22B) and manageable debt ($994M), providing financial flexibility for continued expansion and product development.
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Latest saved period: March 2026 · 2026-03-31
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