State Attorneys General Bring Antitrust Complaint Against Zillow And Redfin

On October 1, 2025, the state attorneys general for Virginia, Arizona, Connecticut, New York, and Washington sued Zillow, Inc., and Redfin Corporation, two of the country's largest online rental housing advertisers, over an agreement that the states claim eliminates competition for multifamily rental advertising between the two companies. The complaint mirrors a complaint filed on September 30 by the Federal Trade Commission.

The states' lawsuit, filed in the U.S. District Court for the Eastern District of Virginia, alleges that Zillow and Redfin executed an unlawful agreement to remove competition from the already highly-concentrated market for online apartment advertising. Prior to the agreement, the complaint alleges, both Zillow and Redfin competed on online rental marketplaces—Internet Listing Services or "ILSs"—where consumers search for rental homes or apartments. According to the complaint, on February 6, 2025, Zillow and Redfin entered into an agreement