Zillow Group, Inc. is a popular online real estate company founded in 2006. Zillow operates as a real estate search engine with more than 160 million homes in its database as of 2024. It also offers a value estimate known as the Zestimate, along with comparables for each of the homes listed on the site. Many analysts consider Zillow to be a media company that makes its money from its ad placements.Key TakeawaysZillow Group, which includes Zillow and Trulia, is the biggest online real estate company in the United States.You can use online real estate websites to list your home or shop for your next one.Many online real estate websites use information from databases of properties shared by agents and brokers for their own online portals.Housing discrimination online or in-person is illegal. Use several real estate websites to cull information to search for a new home. The Merger of Zillow and Trulia Like Zillow, Trulia is also an online residential real estate website that connects home...