OneKey MLS joins CRMLS lawsuit against Compass

New York-based OneKey MLS has joined California Regional MLS (CRMLS) as a co-plaintiff in its federal lawsuit against Compass International Holdings. The move, announced Tuesday, follows OneKey’s public rejection last week of Compass’s demands to roll back local cooperation policies. The amended complaint, filed in federal court, asks a judge to affirm that rules requiring the shared, public marketing of listings are consistent with antitrust law and support an open marketplace. OneKey, which serves more than 48,000 real estate professionals across Long Island, New York City and the Hudson Valley, framed the dispute as a test of how listing data is distributed and who gets access to it in an era of growing private networks and off-MLS marketing. “This case raises questions that extend far beyond any one company or market,” Richard Haggerty, CEO of OneKey MLS, said in the announcement. “It goes to the core of how homes for sale are shared, how everyday buyers access that information, and how we protect a fair, equal housing market for everyone. We believe these issues demand clarity from the court and joining CRMLS gives OneKey a direct, active voice in securing it.” CRMLS, the nati...