CoStar Group Sues Zillow for Alleged Copyright Infringement

July 30, 2025, 12:22 PM UTC

CoStar Group sued Zillow for allegedly publishing more than 46,000 of CoStar’s copyrighted photographs on Zillow.com and its partner sites, potentially making Zillow liable for more than $1 billion in damages.

  • CoStar alleges Zillow displayed its images more than 250,000 times on its site alone
  • CoStar says Zillow published its images on Redfin and Realtor.com through recent partnerships
  • CoStar’s Founder and CEO Andy Florance said Zillow’s actions are “outrageous” and the company will take action against other sites if they do not remove CoStar’s images

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