Real Estate

Zillow files antitrust suit against real estate listing services

Seattle-based Zillow is suing real estate listing services across the United States, arguing the services are forcing out a Zillow subsidiary to maintain illegal monopolies.

If you’ve used Zillow to schedule a home tour recently, you’ve likely accessed a widely used, Zillow-owned scheduling platform called ShowingTime. That platform is now at the heart of the lawsuit filed in federal court in Arizona last week, in which Zillow and ShowingTime claim several multiple listing services are violating federal antitrust laws and attempting to secure a monopoly, harming real estate agents and home shoppers by phasing out ShowingTime. 

The suit names the Arizona Regional Multiple Listing Service, the Milwaukee-based Metro Multiple Listing Service and MLS Aligned, a collective owned by six listing services. Those six include the Arizona and Wisconsin companies, as well as a listing service covering Oregon and a small part of southern Washington. (The lawsuit does not name

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