Zillow and CoStar continue to spar over Matterport 3D tours

Matterport customers own the Matterport tours they create and can post them wherever they want, with CoStar Group promising not to sue Zillow for displaying those tours. Zillow continued accepting tours from other third-party vendors and also offered its own Zillow 3D Home product. Zillow stated that CoStar’s ambiguous application of terms creates legal risk for Zillow and related parties, and Zillow requested clear, consistent, legally binding terms to ensure compliant display across platforms. Zillow said it would not host Matterport media without clearly defined public-facing authorization and that requested changes were not made. Zillow Rentals claimed CoStar told mutual partners they could post tours anywhere and criticized Zillow, while CoStar refused to provide an executed promise not to sue if tours appear on Zillow.

"Hines concluded his statement with a signed declaration that Matterport customers own the Matterport tours they create and they can post them wherever they want, and CoStar Group will not sue Zillow for displaying them. WE PROMISE. Since pulling Matterport tours from its site, Zillow has continued to accept tours from other third-party vendors, while also offering Zillow's own tour product Zillow 3D Home."

"Zillow has maintained that CoStar's ambiguous application of their terms to their products create legal risk for many parties, including Zillow brands. We have repeatedly requested CoStar provide clear, consistent and legally-binding terms directly to us so we can ensure Matterport tours are being shown in a compliant way across platforms, a post on Zillow's Front Porch blog, updated in January 2026, states."

"CoStar and Matterport can operate their business however they choose, however, the current terms present risk for Zillow and we will not host Matterport media without clearly defined, public-facing terms that authorize us to do so. We've asked for specific changes and they have not been made. Until then, we will work with partners on alternative solutions."

"When we asked CoStar for an executed promise not to sue if Matterport tours appear on Zillow, CoStar refused. CoStar has not been willing to back up its press releases with the pledge not to sue that we requested. If CoStar really wanted Matterport tours on Zillow, it would sign the pledge instead of pointing fingers on social media, the post concluded."

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