CoStar Group, Inc. (NASDAQ: CSGP) is a leading provider of online real estate marketplaces, information, and analytics in the commercial and residential property markets. Founded in 1987 by Andrew C. Florance, the company offers a suite of online services to professionals across the real estate industry, including brokers, owners, lenders, and appraisers. Its platforms, such as CoStar®, Apartments.com®, LoopNet®, STR®, Ten-X®, Homes.com®, and BizBuySell®, provide users with comprehensive data, market insights, and tools to make informed decisions. CoStar Group is committed to digitizing the real estate industry and empowering its users with transparency and efficiency.
The D.C. headquarters is the primary center for corporate governance, executive leadership, strategic planning, and houses key corporate functions.
Modern office space in a prominent downtown location, equipped with advanced technology to support its information services business.
Characterized by innovation, a data-driven approach, collaboration, and a fast-paced environment focused on transforming the real estate industry.
As the nerve center in the U.S. capital, it underpins CoStar's strategic initiatives, industry leadership, and engagement with national stakeholders. Its location facilitates access to policy and economic discussions.
CoStar Group maintains a significant global presence, with offices and research operations across North America (United States, Canada), Europe (including the UK, France, Germany, Spain), and the Asia-Pacific region. This international footprint enables CoStar to provide localized market intelligence, analytics, and platform support to a diverse global client base, supporting functions such as data research, sales, customer service, and technology development worldwide.
1331 L Street NW
Washington
D.C.
United States
Address: 501 S 5th St, Richmond, VA 23219
Key hub for CoStar's North American operations and a center for talent development, innovation, and global research capabilities.
Address: The Shard, 32 London Bridge St, London SE1 9SG, United Kingdom
Drives CoStar's expansion and service delivery across Europe, adapting global products to local market needs and managing European data operations.
Address: 111 Richmond St W, Toronto, ON M5H 2G4, Canada
Facilitates CoStar's presence and growth in Canada, providing localized data and services to Canadian real estate professionals.
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As of April 2025, CoStar Group' leadership includes:
CoStar Group has been backed by several prominent investors over the years, including:
CoStar Group has seen strategic leadership appointments and promotions in the past year, notably the promotion of Lisa Ruggles to President and the appointment of Cyndi Eakin as SVP and Chief Accounting Officer, strengthening its executive team to support continued growth and market expansion.
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CoStar Group's common email format is typically `[first_initial][last]@[domain]` (e.g., jdoe@costargroup.com). Another possible format is `[first].[last]@[domain]` (e.g., jane.doe@costargroup.com). These are standard corporate patterns.
flast@costargroup.com, first.last@costargroup.com
Format
aflorance@costargroup.com
Example
80%
Success rate
CoStar Group Investor Relations • April 30, 2024
CoStar Group reported financial results for the first quarter ended March 31, 2024, highlighting revenue growth to $656 million, up 12% year-over-year, and continued investment in its residential marketplace strategy with Homes.com....more
CoStar Group News • February 20, 2024
CoStar Group announced the promotion of Lisa Ruggles to the position of President. In her expanded role, Ruggles will lead product development, news, research, data operations, sales, marketing, and customer service across all CoStar Group brands and geographies....more
HousingWire • May 1, 2024
Following Q1 2024 earnings, CoStar Group CEO Andy Florance expressed confidence in Homes.com's trajectory, stating the platform is on track to surpass competitors in traffic due to significant marketing investment and a 'your listing, your lead' model....more
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