CoStar Expands Real Estate Data Portfolio with $800 Million Zonda Acquisition

Published on May 29, 2026

CoStar Group, a leader in commercial real estate information services, recently announced the purchase of Zonda, a prominent source for new-home construction data and analytics. This strategic move aims to integrate comprehensive insights into homebuilding and residential marketplaces, further enhancing CoStar’s data-driven offerings.

The acquisition, valued at $800 million, marks a significant shift for CoStar as it seeks to fill gaps in its existing database. Zonda’s robust platform is expected to deliver vital information on homebuilders and construction trends, enriching the user experience for real estate professionals.

CoStar confirmed the deal will close in the latter half of 2026, with positive projections for adjusted earnings per share in its first year post-acquisition. The merger combines Zonda’s specialized expertise with CoStar’s expansive reach in the real estate sector.

This acquisition could reshape how real estate data is utilized, offering new capabilities to industry players. As competition in the data marketplace intensifies, CoStar’s commitment to strengthening its data empire positions it favorably for future growth.

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