IndyMac Bancorp, Inc. operates as the holding company for IndyMac Bank, F.S.B., a thrift/mortgage bank that provides mortgage products and services. It operates in two segments namely, mortgage banking and thrift. The mortgage banking segment offers adjustable-rate mortgages, intermediate term fixed-rate loans, pay option ARMs, fixed-rate mortgages, conforming and non conforming loans, construction-to-permanent loans, subprime mortgages, home equity lines of credits and reverse mortgages. The thrift segment offers single-family residential mortgage loans and also provides construction financing for individual consumers for building a primary residence or second home. The company was founded in 1985 and is headquartered in Pasadena, CA.