Nationstar Mortgage Holdings Inc. provides servicing, origination, and transaction based services to single-family residences in the United States. It operates in three segments: Servicing, Originations, and Solutionstar. The Servicing segment offers residential mortgage services, such as loan administration, payment processing, mortgage escrow account administration, collection of insurance premiums, and response to homeowner inquiries, as well as loss mitigation solutions, including loan modifications and supervision of foreclosures and property dispositions on behalf of the owners of the loans. The Originations segment originates conventional residential mortgage loans under the Greenlight Financial Services and Nationstar brands. This segment primarily market mortgage products to existing servicing customers and customers of homebuilders, as well as participate in the correspondent market. The Solutionstar segment provides technology and data solutions to homebuyers, home sellers, real estate agents, and companies engaged in the origination and/or servicing of mortgage loans. This segment, through its real estate market portal HomeSearch.com, offers real estate exchange services; and real estate services comprising title and escrow, collateral valuation, and asset management services. The company serves homeowners, homebuyers, home sellers, investors, real estate agents. Nationstar Mortgage Holdings Inc. was founded in 1994 and is headquartered in Coppell, Texas.