Zillow Group, Inc. engages in the provision of real estate and home-related information marketplaces on mobile and the web. It operates through the following segments: Internet, Media, and Technology (IMT), Mortgages, and Homes. The IMT segment includes premier agent, rentals marketplaces, and new construction marketplaces, and sale of other advertising and business technology solutions for real estate professionals. The Mortgages segment is involved in mortgage originations through Zillow Home Loans and advertising sold to mortgage lenders and other mortgage professionals. The Homes segment focuses on providing title and escrow services performed by Zillow Closing Services. The company was founded by Richard N. Barton and Lloyd D. Frink in December 2004 and is headquartered in Seattle, WA.