CoStar Group

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Read 32 CoStar Group reviews and testimonials from customers, explore 26 case studies and customer success stories, and watch 4 customer videos to see why companies chose CoStar Group as their Real Estate

CoStar Group, Inc. is the leading provider of commercial real estate information, analytics and online marketplaces. Founded in 1987, CoStar conducts expansive, ongoing research to produce and maintain the largest and most comprehensive database of commercial real estate information. Their suite of online services enables clients to analyze, interpret and gain unmatched insight on commercial property values, market conditions and current availabilities. LoopNet is the most heavily trafficked commercial real estate marketplace online with more than 9.8 million registered members.

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Customer Rating Review Scorebased on 2928 reference ratings
4.8/5.0 (2928)

More from CoStar Group

Featured Testimonials

  • “CoStar researchers stay in touch regularly to ensure our listings are accurate and up-to-date in the CoStar database. No one else is as proactive in keeping information current.”

  • “We couldn’t do what we’re doing without CoStar. It’s really the backbone to what we’re doing, and it makes us look good.”

  • “CoStar has essentially eliminated the process of traditional lead generation, allowing us to immediately contact prospects and market to them in a way that yields results.”

Featured Case Studies

  • Lizotte and Associates Improves Agent Productivity by 60% Using CoStar

  • The Andover Company Cuts Research Time by 80 Percent Using CoStar Suite

  • Devencore - Customer Case Study

Featured Customer Videos

Additional CoStar Group Information & Resources

Read CoStar Group Reviews, Testimonials & Customer References from 32 real CoStar Group customers.

Browse CoStar Group Case Studies, Customer Success Stories, & Customer References from 26 businesses that use CoStar Group.

Watch CoStar Group Customer Videos to learn why 4 businesses chose CoStar Group.