CoStar Group
CoStar Group, Inc. is a prominent American company that specializes in information, analytics, and marketing services for the commercial real estate industry in North America and Europe. Founded in 1987 and headquartered in Arlington, Virginia, CoStar is recognized for its extensive real estate data and online marketplaces. The company operates various digital platforms, including the CoStar online database and news website, which provide comprehensive commercial property data. CoStar also owns well-known online marketplaces such as Apartments.com and Homes.com, which facilitate property leasing, buying, and selling. Its services include lease information, internet marketing, advertising, and investment analysis tailored for real estate professionals. CoStar Group serves a diverse customer base, including commercial real estate brokers, investors, and property managers, who rely on its data and analytics for informed decision-making. With a global presence that includes 72 offices in 19 countries, CoStar continues to expand its reach and enhance its offerings through strategic acquisitions and organic growth.
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Headcount trend
CoStar Group went from 3,706 employees in Jul 2023 to 4,207 in Jun 2025. Jan to Jun 2025: 328 people joined, 219 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Executive compensation
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All salaries127 salary profiles in the US
Most reported roles
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CoStar Group FAQ
How many employees does CoStar Group have?
CoStar Group has about 4,207 employees, up 0.4% over the 3 months to Jun 2025.
What is CoStar Group's revenue per employee?
CoStar Group makes about $650K in revenue per employee, based on $2.74B annual revenue and 4,207 employees.
How much does CoStar Group pay?
6figr has 127 salary profiles for CoStar Group in the US and 1 in India, with pay broken down by role, level, gender and ethnicity on the CoStar Group salaries page. See CoStar Group salaries in the US
Is CoStar Group a public company?
Yes. CoStar Group is publicly traded under the ticker CSGP on NASDAQ.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.