RealtyTrac, Inc. offers online real estate data services in the United States. It provides a database of pre-foreclosure, foreclosure, auction, bank-owned, for-sale-by-owner, resale, MLS, and new construction properties. The company collects and aggregates foreclosure data; appends the data with estimated property values, comparable sales, loan history, tax lien and bankruptcy records, trustee and lender information, and property details; and updates the database. It serves real estate agents, appraisers, mortgage finance companies, mortgage brokers, real estate investors, first time homebuyers, private investors, real estate research firms, MLS Listings, realtor associations, state and county officials, and commercial real estate firms. The company has strategic partnerships with Experian, HomeGain.com, Homes.com, Knight Ridder Digital, MSN Real Estate, Yahoo! Real Estate, The Wall Street Journal Real Estate Journal, Earthlink, Living Choices, and Primedia. RealtyTrac, Inc. was founded in 1996 and is based in Irvine, California.