Buildout vs CoStar
Side-by-side comparison of AI visibility scores, market position, and capabilities
Chicago IL commercial real estate marketing and CRM platform for brokers and brokerage firms; raised $60M+; automates property marketing and client reporting for CRE professionals.
About
Buildout is a commercial real estate marketing and CRM platform headquartered in Chicago, Illinois. Founded in 2010, the company has raised over $60M in funding and serves thousands of CRE brokers and brokerage firms across the United States. Buildout automates the creation and distribution of commercial real estate marketing materials — including property flyers, offering memorandums, email campaigns, and property websites — enabling brokers to present listings professionally without spending hours on manual document production.\n\nBuildout's CRM module helps brokers manage their client relationships, track deal pipeline, and maintain contact databases. The platform integrates with CoStar and other CRE data sources to pull property information automatically, reducing manual data entry when creating marketing packages. Buildout's analytics tools track marketing performance, including document views, email open rates, and prospect engagement, giving brokers visibility into which deals and prospects are most active.\n\nBuildout competes with general-purpose CRM tools adapted for real estate and with CoStar's marketing features, differentiating through its deep focus on commercial real estate broker workflows and its ability to generate professional, brand-compliant marketing materials at scale. The platform serves boutique CRE brokerages, regional firms, and the investment sales and leasing divisions of large national brokerage companies. Buildout has expanded its platform through acquisitions, including purchasing Propertybase and Rethink CRM to deepen its CRM capabilities for the CRE brokerage market.
$2.74B revenue 2024 (+11% YoY); $732M Q1 2025 revenue (+12% YoY); 56th consecutive quarter double-digit growth; 134M+ monthly unique visitors Q4 2024; 6,400+ employees in 14 countries
About
CoStar Group is the leading provider of commercial real estate data, analytics, and marketplace platforms, founded in 1987 in Washington, D.C. by Andrew Florance. The company was built on the conviction that commercial real estate — one of the world's largest asset classes — was fundamentally underserved by reliable data, and that building a proprietary research infrastructure to collect, verify, and distribute property information would create a durable competitive moat. CoStar's core technology combines a massive field research organization with digital data collection tools to maintain the most comprehensive commercial real estate database in the world.\n\nCoStar's product portfolio spans multiple platforms serving different segments of the real estate market: CoStar for commercial real estate professionals, LoopNet for commercial property marketing, Apartments.com for multifamily rental search, Homes.com for residential real estate, and Ten-X for online commercial property auctions. This multi-platform strategy positions CoStar Group as the data and marketplace layer across every major real estate segment. The company attracted more than 134 million unique monthly visitors across its networks in Q4 2024, demonstrating the scale of its audience reach.\n\nCoStar Group reported $2.74 billion in revenue for 2024, an 11% year-over-year increase, marking its 56th consecutive quarter of double-digit revenue growth — a remarkable consistency streak in enterprise SaaS. The company's combination of proprietary data assets, marketplace network effects, and expanding residential real estate ambitions gives it multiple growth vectors as it targets the vast residential brokerage market that dwarfs its existing commercial business.
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