Zillow signs the White House Equal Pay Pledge. Zillow boosts the accuracy of the Zestimate model with an update to the algorithm, improving median error rate to 6%. Zillow unveils the Premier Agent platform. Zillow acquires Trulia and announces the formation of Zillow Group, a portfolio of real estate and home-related brands. 2 on The New York Times Best Sellers list. Zillow CEO Spencer Rascoff and Chief Economist Stan Humphries’ book “Zillow Talk: The New Rules of Real Estate” hits newsstands, debuting as No. Zillow launches its mortgage pre-approval tool for home shoppers. Zillow acquires StreetEasy, New York City's leading real estate marketplace.

Zillow acquires HotPads, expanding the size of its growing rental audience and extending the reach of its marketing tools and productivity solutions for rental professionals. Zillow launches the first mobile app for rentals. Zillow becomes a public company, trading on NASDAQ under the ticker symbol “Z.” Zillow adds Zestimate home valuations to more than 25 million new homes and improves Zestimate accuracy to 8.5% nationwide.

Zillow launches agent ratings and reviews, giving home buyers and sellers the ability to search for and find local real estate agents based on reviews from former clients. Zillow’s first CEO, Rich Barton, becomes executive chair of the board, and Spencer Rascoff becomes CEO of Zillow. Steve Jobs shows off Zillow on the iPad during Apple’s OS 4.0 event. Buyers, sellers and renters can now search for both homes for sale and rental homes on Zillow. Zillow adds rental listings to its database, which now includes more than 90 million homes.

Zillow launches the Zillow iPhone app with dynamic map technologies, delivering data on 88 million homes directly into users’ hands. Zillow launches Mortgage Marketplace, a free and transparent tool that allows borrowers to request anonymous and hassle-free mortgage loan quotes from lenders directly through Zillow. Zillow launches Smart Search, a dynamic new version of its search system, developed to make it easier for customers to find the homes most relevant to them. Two days later, Zillow welcomes its millionth visitor. Zillow launches, attracting more than 1 million visitors within the first three days, ultimately overloading the servers and crashing the website. Rich Barton and Lloyd Frink begin assembling a team to revolutionize the way people search and shop for homes.

Affiliates rivalo