The real estate industry is pressuring Zillow and other sites to nix extreme weather risk data buyers have come to rely on

A "For Sale" sign in front of a home in the Encino neighborhood of Los Angeles, California, on Sunday, July 13, 2025. Eric Thayer/Bloomberg/Getty Images

Zillow, the nation’s largest real estate listing website, has removed extreme weather risk data meant to help buyers figure out if the biggest purchase of their life is particularly susceptible to floods, high winds or wildfires.

Now, other major real estate listing websites are facing pressure to do the same.

That pressure is coming from the California Regional Multiple Listing Service, which operates one of the largest private databases of home listings in the country — essential to Zillow’s business model.

Out of concern that it has impacted home sales, the California group is questioning the accuracy of some climate change-rela