Redfin Corp. provides real estate brokerage services. The firm engages in buying and selling homes. It operates through the following segments: Real Estate Services and Properties. The Real Estate Services segment consists of revenue transactions. The Properties segment consists of home purchase costs, capitalized improvements, selling expenses and home maintenance expenses. The company was founded by David Selinger, David Eraker, and Michael Dougherty in 2004 and is headquartered in Seattle, WA.