Share this article!

Andy Florance, the founder and CEO of CoStar Group (NASDAQ: CSGP) and Homes.com, took aim at Zillow (NASDAQ: Z, ZG) for its new ban on private listings.

In April, Zillow announced it was enacting the National Association of Realtors’ Clear Cooperation Policy with “new standards for listing transparency” that bans private listings from its platform. The policy mandates that listings which are publicly marketed in any platform, including social media postings, must be in the MLS and published on Zillow, as well as other sites that receive MLS feeds. Zillow stated it would not publish listings that fail to meet those standards.

“Last week, Zillow banned the first agent’s listing who hadn’t submitted their listing to Zillow within 24 hours of marketing it,” wrote Florance in a post on LinkedIn. “Zillow demands all your listings immediately and then takes the leads generated, selling them to other agents. While Zillow preaches they are protecting the industry by requiring submission of listings to the MLS within 24 hours of public marketing, in fact their new rule does not apply to listings directly submitted to Zillow, and Zillow alone.”

Florance pointed out Zillow’s close relations with Redfin and Realtor.com, which he described as “an anticompetitive cartel.” He also noted Redfin is following Zillow’s policy.

“How do agents and brokers keep earning commissions when Zillow aggressively holds the reins over four major real estate portals?” Florance asked. “Zillow is consolidating power over listings, buyer-agent commissions, and now, listing-agent commissions. How is this even legal?”

As for the banned listing cited by Florance, he announced Homes.com boosted it for free on its platform.

“I commend the agent that is standing up to Zillow’s outrageous bullying and intimidation,” he said, adding that “every real estate agent in America should stand up to Zillow’s bullying. Please refer your buyers and sellers to Homes.com where we respect and protect your relationship with your clients.”