Overview
CoStar Group is an Arlington, Virginia, company, founded in 1987 and listed on NASDAQ as part of the S&P 500, that provides property information, analytics and online marketplaces. CoStar is its commercial property database and news service, LoopNet is a commercial listings marketplace, Apartments.com is a rental listings marketplace, Homes.com is a residential listings site, Matterport provides 3D capture and digital twins, and STR provides hotel research and analytics. The group also owns Ten-X, Homesnap, OnTheMarket in the UK and Domain in Australia, and reports around 8,400 employees and revenue of about USD 3.25 billion in 2025.
Source: en.wikipedia.org/wiki/CoStar_Group. Last checked 25 October 2026.
Written by PropAtlas from public information. Work at CoStar Group? Claim this profile to correct or expand it.
Categories
Features
- CoStar commercial property database
- LoopNet commercial listings
- Apartments.com rental listings
- Homes.com residential listings
- Matterport digital twins
- STR hotel analytics
- Market analytics and news
Best fit for
CoStar Group suits real estate professionals who need market data, comps and the largest listing audiences in the US.
Frequently asked questions
- What is CoStar Group?
- CoStar Group is an Arlington, Virginia, company, founded in 1987 and listed on NASDAQ as part of the S&P 500, that provides property information, analytics and online marketplaces. CoStar is its commercial property database and news service, LoopNet is a commercial listings marketplace, Apartments.com is a rental listings marketplace, Homes.com is a residential listings site, Matterport provides 3D capture and digital twins, and STR provides hotel research and analytics. The group also owns Ten-X, Homesnap, OnTheMarket in the UK and Domain in Australia, and reports around 8,400 employees and revenue of about USD 3.25 billion in 2025.
- Who is CoStar Group built for?
- CoStar Group suits real estate professionals who need market data, comps and the largest listing audiences in the US.
- Where is CoStar Group based?
- CoStar Group is headquartered in Arlington, USA and was founded in 1987.
Industries served
UK markets
Security & certifications
Alternatives to CoStar Group
Other UK vendors in the same category that buyers often compare with CoStar Group.
a360inc's CloseClear platform combines title search, abstracting and notary services with transaction and fee data for mortgage servicing, title and closing businesses.
Accruent provides lease administration, facilities and maintenance, space and engineering document software for the built environment.
Acres combines land ownership, zoning, risk and transaction records in one AI-driven view for real estate professionals, builders, lenders, investors and developers.
ADRES develops real estate platforms including Dari for Abu Dhabi, Sharjah's Aqari portal and the Quanta data platform.