CoStar to acquire Zonda for $800M

CoStar Group plans to acquire homebuilding data and software firm Zonda for $800 million in cash, the Arlington County-based real estate data and technology company announced Friday.

Zonda serves more than 3,000 customers, including homebuilders, developers, suppliers and lenders across North America. The company provides data, software and online marketplaces used for land acquisition, development planning, construction forecasting and home sales. Most of its revenue comes from subscriptions, and it reported 104% net customer retention.

Zonda also operates the NewHomeSource and Livabl online marketplaces for new-home buyers in the U.S. and Canada. CoStar said Zonda’s builder relationships, marketplace platforms and market data could create cross-selling opportunities across its commercial, residential, multifamily, lending and analytics businesses. CoStar owns Homes.com and Apartments.com.

“This acquisition extends CoStar Group‘s leadership into a major new segment of the real estate industry and strengthens our ability to provide clients with comprehensive information solutions across every major real estate segment,” CoStar CEO Andy Florance said in a statement. “We believe the combination will deliver deeper insights, workflow efficiencies and analytics to the homebuilding industry, while strengthening our core information offerings and significantly expanding our new home marketplace capabilities.”

The acquisition is expected to close in the second half of 2026, subject to customary closing conditions and required regulatory approvals.

CoStar pointed to the nearly $1 trillion annual value of U.S. residential construction as a key driver for the acquisition. The company said the acquisition is expected to be accretive to adjusted earnings per share in the first full year of ownership The merger will pair Zonda Envision, a home design platform with visualization and digital merchandising capabilities with Matterport’s 3D digital twin technology. CoStar acquired Matterport in March 2025.

In 2025, CoStar reported $3.2 billion in revenue, up 19% over 2024’s $2.7 billion. The company has 8,400 employees and 86 offices in 15 countries. Its websites attracted 131 million average monthly unique visitors during the first quarter of this year.