Redfin is a residential real estate company that provides web-based real estate database and brokerage services. The firm was founded in 2004, and is based in Seattle, Washington. Redfin first launched its home buying and home selling services in 2006. Glenn Kelman is the CEO. When working with homebuyers, Redfin refunds a portion of their commission, thus offering a rebate and saving commission fees. In Missouri, Oregon, and Tennessee, state law prevents them from offering a refund to homebuyer