Please ensure Javascript is enabled for purposes of website accessibility

CoStar Group

Photo: Kira Jenkins/ Virginia Lawyers Weekly
May 29, 2026

CoStar facing multiple antitrust accusations in lawsuits

CoStar Group faces three federal antitrust lawsuits alleging monopolistic practices in commercial real estate data across Virginia, California and Washington, D.C.

Verdicts & Settlements

See All Verdicts & Settlements

Opinion Digests

See All Digests