- April 2005: Founders Rich Barton and Lloyd Frink begin assembling a team for the launch of Zillow. One of the first hires is Spencer Rascoff.
- February 2006: Zillow launches its site, attracting more than 1 million visitors in its first three days.
- September 2010: Spencer Rascoff is named CEO of Zillow
- April 2011: Zillow acquires Postlets
- July 2011: Zillow becomes a public company, trading on NASDAQ under the ticker symbol Z
- November 2011: Zillow acquires Diverse Solutions
- November 2012: Zillow acquires Mortech
- December 2012: Zillow acquires Hotpads
- August 2013: Zillow acquires StreetEasy
- July 2014: Zillow acquires Retsly
- January 2015: Zillow announces launch of Data Dashboard, a recording and listing management platform
- February 2015: Zillow acquires Trulia. The company forms the Zillow Group, a portfolio of real estate and housing-related brands
- April 2015: Zillow cancels agreement with Listhub, which had been feeding listings to their site.
- June 2015: Zillow sells off Active Rain, which was acquired through Trulia
- July 2015: Zillow acquires Dotloop, an electronic document signing platform.
Source: The Zillow Group, www.zillowgroup.com/timeline.
