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CoStar Group

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203 reviews
  • 7 profiles
  • 7 categories
Average star rating
3.7
Serving customers since
1986
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Star Rating

88
64
27
1
23

CoStar Group Reviews

Review Filters
Profile Name
Star Rating
88
64
27
1
23
Verified User in Real Estate
AR
Verified User in Real Estate
03/10/2026
Validated Reviewer
Verified Current User
Review source: G2 invite
Incentivized Review

Largest Apartment Search Platform with a User-Friendly Interface and 3D Tours

Largest apartment search platform, with large outreach and user friendly interface. Love the new 3D touring options
JB
Jacky B.
11/04/2025
Validated Reviewer
Verified Current User
Review source: G2 invite
Incentivized Review

Apartments.com are the leasing ILS site

Apartments.com has the largest reach out of all of our internet listing sites. It has numerous partners that also help the listing views get the greatest reach.
Alex M.
AM
Alex M.
REALTOR at Berkshire Hathaway HomeServices Fox Cities
02/19/2025
Validated Reviewer
Review source: G2 invite
Incentivized Review

Impressive Accuracy

I played with this feature to compare my old way of valuation to this new tool, wildly accurate but it lacked data in many areas, by no fault of the program, the local area lacked the info.

About

Contact

HQ Location:
Atlanta, US

Social

@CoStarManager

What is CoStar Group?

CoStar Group (NASDAQ: CSGP), is a leading provider of online real estate marketplaces, information, and analytics in the property markets. Founded in 1986, CoStar conducts expansive, ongoing research to produce and maintain the largest and most comprehensive database of commercial real estate information. Our suite of online services enables clients to analyze, interpret and gain unmatched insight on commercial property values, market conditions and current availabilities. STR provides premium data benchmarking, analytics, and marketplace insights for the global hospitality industry. Ten-X provides a leading platform for conducting commercial real estate online auctions and negotiated bids. LoopNet is the most heavily trafficked commercial real estate marketplace online. Apartments.com, ApartmentFinder.com, ForRent.com, ApartmentHomeLiving.com, Westside Rentals, AFTER55.com, CorporateHousing.com, ForRentUniversity.com and Apartamentos.com form the premier online apartment resource for renters seeking great apartment homes and provide property managers and owners a proven platform for marketing their properties. Homesnap is an industry-leading online and mobile software platform that provides user-friendly applications to optimize residential real estate agent workflow and reinforce the agent-client relationship. Homes.com is the fastest growing online residential marketplace that connects agents, buyers, and sellers. BureauxLocaux is one of the largest specialized property portals for buying and leasing commercial real estate in France. Business Immo is France’s leading commercial real estate news service. CoStar Group’s websites attract tens of millions of unique monthly visitors. Headquartered in Washington, DC, CoStar Group maintains offices throughout the U.S., Europe, Canada, and Asia.

Details

Year Founded
1986
Ownership
NASDAQ:CSGP