CoStar Group Closes $800M Zonda Acquisition

CoStar Group has completed its acquisition of Zonda for $800 million in cash.

Zonda is a leading provider of new home construction data, homebuilder software and residential real estate marketplaces.

The company offers enterprise, advisory and research solutions for stakeholders in the real estate industry across the United States and Canada, while its marketplace specialises in new homes.

Zonda spans the new home development lifecycle from land acquisition and development planning to construction and sales.

According to a press release, the acquisition gives CoStar access to more than 3,000 customers, including many of North America's largest homebuilders, developers, suppliers, and lenders. In 2025, Zonda generated approximately $170 million of revenue at an Adjusted EBITDA margin of 23%.

Andy Florance, Founder and Chief Executive Officer of CoStar Group, said:

Zonda has built an exceptional business around information the homebuilding industry relies on every day. This is a massive market with a sophisticated group of builders, developers, lenders, investors and suppliers that need purpose-built information, analytics and marketing solutions. With the acquisition now complete, we have the opportunity to bring together Zonda’s proprietary new construction data, software and builder relationships with CoStar Group’s technology, analytics and marketplace capabilities. We believe that combination can deliver significantly more value to builders, lenders and other industry participants,accelerate innovation across the homebuilding ecosystem, and create a compelling new growth platform for CoStar Group.”

Jeff Meyers, President of Zonda, said:

"For decades, Zonda has earned the trust of the homebuilding industry by providing the data, intelligence, and solutions our customers rely on every day. By joining CoStar Group, we gain the scale, technology, and resources to accelerate innovation, deepen our industry insights, and deliver even greater value to builders, developers, and housing professionals. Together, we are creating a stronger platform that we expect will accelerate growth, expand innovation, and create new opportunities across the housing ecosystem."