DOJ Backs Broker’s Antitrust Claims Against Zillow, Realtors

The Department of Justice is backing a real estate broker’s push to revive a lawsuit alleging an anticompetitive business arrangement between the National Association of Realtors and Zillow Group Inc.

The DOJ claims a district court erred when it threw out a claim that the powerful trade association entered into an unlawful agreement with Zillow, a digital real estate platform, to demote the listings on its website of independent brokers.

The dispute centers around the National Association of Realtors’ optional “no-commingling” rule that says its members should separate “multiple service listings” from other types of brokers. The Real Estate Exchange ...