From the moment StreetEasy debuted in New York City 14 years ago, it was clear that the listings portal was a game changer.
But after an information tug-of-war with the brokerage world, it became something of a de facto multiple listings service for an industry that was too territorial to create a proprietary one for itself. Now, what StreetEasy once offered for free, its public parent company, Zillow Group, has been monetizing at an increasing rate.