CoStar Group (NASDAQ: CSGP) is a leading provider of online real estate marketplaces, information, and analytics in the property markets. 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. Key brands include CoStar, Apartments.com, LoopNet, STR, Ten-X, Homes.com, BizBuySell, and Land.com. CoStar Group's websites attract tens of millions of unique monthly visitors.
The Washington, D.C. headquarters serves as the central hub for executive leadership, corporate strategy, finance, legal operations, and global business development for CoStar Group's diverse portfolio.
Located in a modern, Class A office building in the heart of downtown D.C., the headquarters features state-of-the-art technology infrastructure and collaborative workspaces designed to foster innovation.
CoStar Group is known for its high-performance, results-oriented, and data-driven work environment. There is a strong emphasis on innovation, market leadership, and delivering exceptional value to clients. Employees often describe the culture as fast-paced, challenging, and rewarding, with significant opportunities for growth and impact.
The D.C. headquarters symbolizes CoStar's prominent position in the commercial real estate and technology sectors. Its strategic location in the nation's capital provides proximity to policymakers, financial institutions, and a vibrant tech talent pool, reinforcing its influence on market intelligence.
CoStar Group operates globally with key functions including research, data collection, analytics, software development, sales, marketing, and customer support distributed across its offices in North America (USA, Canada), Europe (UK, France, Spain, Germany, Netherlands), and Asia-Pacific. The company delivers comprehensive market intelligence and online marketplaces for commercial real estate, hospitality, and residential sectors, with dedicated teams adapting services to regional market dynamics and client needs worldwide.
1331 L St NW
Washington
D.C.
USA
Address: 501 S 5th St, Richmond, VA 23219
Serves as a key operational and innovation center for the U.S. market, supporting global functions with its large scale and specialized teams. It is central to the company's research and data quality efforts.
Address: The Shard, 32 London Bridge St, London SE1 9SG, UK
Acts as the strategic hub for penetrating and serving the European commercial real estate and hospitality markets, tailoring CoStar’s offerings to diverse local market needs and regulations.
Address: Brookfield Place, 181 Bay Street, Suite 3700, Toronto, ON M5J 2T3, Canada
Drives CoStar's presence and growth in the Canadian market by providing localized data, analytics, and online marketplace solutions.
Address: Meridian Court, 20 Calton Road, Glasgow, G4 0BA, UK
Functions as a global center of excellence for hospitality analytics and benchmarking, providing critical hotel performance data and insights to clients worldwide.
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As of April 2025, CoStar' leadership includes:
CoStar has been backed by several prominent investors over the years, including:
CoStar Group has actively shaped its leadership team over the past year, notably appointing a new Chief Marketing Officer, promoting a key executive to Chief Operating Officer, and seeing a transition in its international leadership. These changes underscore the company's focus on strategic growth, operational excellence, and market expansion.
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CoStar Group primarily uses the [first_initial][last_name]@costargroup.com email format (e.g., jsmith@costargroup.com). Other formats like [first_name].[last_name]@costargroup.com may also be in use, particularly for common names or specific departments. The domain costar.com is typically used for product-related communications rather than corporate staff emails.
[first_initial][last]@costargroup.com
Format
jdoe@costargroup.com
Example
80%
Success rate
CoStar Group Investor Relations / Business Wire • April 23, 2024
CoStar Group reported its financial results for the first quarter ending March 31, 2024, showcasing revenue of $656 million, an increase of 12% year-over-year, with strong performance in its online marketplaces, particularly Apartments.com....more
CoStar Group / PR Newswire • April 22, 2024
CoStar Group announced a definitive agreement to acquire Matterport, Inc., a leader in 3D digital twin technology, in an all-cash transaction valued at $1.6 billion. The acquisition aims to integrate immersive virtual tours and spatial data across CoStar's platforms....more
CoStar Group Investor Relations • February 20, 2024
CoStar Group detailed its Q4 and full-year 2023 performance, with annual revenue reaching $2.46 billion. The company outlined aggressive investment plans for Homes.com to challenge established residential portals in 2024....more
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