CoStar
The leading commercial real estate data and analytics platform with AI-powered property intelligence, comps, and market analytics.
What it does
CoStar is the dominant commercial real estate information and analytics platform - providing property listings, lease comps, sales comps, tenant information, and market analytics for CRE brokers, investors, developers, and lenders. AI capabilities include ML property valuation models that estimate CRE asset values from comparable transactions and market data, AI-powered tenant intelligence that tracks company expansions, contractions, and lease expirations for prospecting, intelligent market analytics that surface supply, demand, and vacancy trends by submarket and property type, automated comp analysis that identifies the most relevant lease and sales comparables for any property, AI-driven news monitoring that tracks significant CRE transactions and tenant moves, and predictive analytics that forecast market rent and vacancy trends.
Why AI-ENHANCED
CoStar is an established CRE data platform that has integrated ML valuation models, AI tenant intelligence, and predictive market analytics into the most widely used commercial real estate information product.
Best for
Independent CRE brokers and small investment firms use CoStar for property research - AI comps and tenant intelligence enabling competitive market knowledge.
Mid-market CRE firms, lenders, and developers use CoStar for market analytics - AI trend data informing investment decisions and lease negotiations.
Large institutional investors, national brokerages, and CRE lenders use CoStar for enterprise market intelligence - AI analytics across all major US and international markets.
Limitations
CoStar's comprehensive data comes at a premium — many smaller brokers and investors find the cost difficult to justify and use free alternatives for basic property search.
CoStar and LoopNet are owned by the same company — CoStar is the professional analytics platform while LoopNet is the public listing portal, creating some market confusion.
Large institutional investors increasingly use proprietary data from major brokerages alongside CoStar — CoStar's moat is breadth and third-party independence.
Alternatives by segment
| If you need… | Consider instead |
|---|---|
| CRE data and comps | Reonomy |
| Multifamily market analytics | Yardi Matrix |
| CRE investment analytics | Argus |
CoStar pricing based on markets and modules. Not published. Professional subscriptions from approximately $6,000/year. Enterprise contracts negotiated.
2026-04-09
