CoStar Group vs AppFolio
Side-by-side comparison of AI visibility scores, market position, and capabilities
Washington DC commercial real estate information and analytics platform; NASDAQ: CSGP; $2.5B+ revenue; owns CoStar, LoopNet, Apartments.com, and Ten-X among others.
About
CoStar Group is the dominant commercial real estate information, analytics, and marketplace company in the United States, headquartered in Washington, DC. Founded in 1987 and publicly traded on NASDAQ (CSGP), CoStar has grown to over $2.5B in annual revenue through a combination of organic growth and strategic acquisitions. The company's portfolio of brands includes CoStar (the institutional CRE research and analytics platform), LoopNet (the leading commercial property listing marketplace), Apartments.com (the largest apartment listing marketplace), and Ten-X (the digital commercial real estate auction platform).\n\nCoStar's flagship research database aggregates data on millions of commercial properties across the US and internationally, including lease comparables, sales transactions, building specifications, tenant information, and market analytics. This data is gathered through a large field research team that physically visits and verifies properties, combined with automated data aggregation from public records, legal filings, and broker submissions. CoStar's subscribers include commercial real estate brokers, lenders, investors, corporate occupiers, and appraisers who rely on its data for deal sourcing, underwriting, and market research.\n\nCoStar has invested aggressively in international expansion, acquiring SIOR's data assets, OnTheMarket in the UK, and other regional platforms. The company also made a major push into residential real estate with its acquisition of Homesnap and investments in its Homes.com platform, competing with Zillow and Realtor.com. CoStar's combination of subscription data products, marketplace advertising, and transaction platforms makes it a uniquely diversified real estate technology company.
NASDAQ-listed (APPF) cloud property management platform with $747M FY2024 revenue; serving 20,000+ customers competing with Yardi and RealPage for mid-size residential and commercial property managers.
About
AppFolio is a Santa Barbara-based cloud-based property management software platform serving residential, commercial, student housing, and community association property managers — providing accounting, tenant screening, maintenance management, online rent collection, lease management, owner portals, and AI-powered operational automation that enables property management companies to manage more units with less administrative overhead. Listed on NASDAQ (NASDAQ: APPF), AppFolio generated $747 million in revenue in fiscal year 2024, serving 20,000+ property management customers managing millions of units across the US.
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