On September 30, 2025, the Federal Trade Commission published an announcement entitled “FTC Sues Zillow and Redfin Over Illegal Agreement to Suppress Rental Advertising Competition”. The announcement stated that the FTC had sued “Zillow and Redfin over an unlawful agreement that eliminates Redfin as a competitor in the market for placing advertising of rental housing on internet listing services (ILSs)—the websites that millions of Americans use to find their next rental home.”
On this news, Zillow’s Class C stock fell 4.6% on October 1, 2025.