Mugen Estate Co., Ltd. engages in the real estate business. It operates through the Real Estate Sales, and Leasing and Others segments. The Real Estate Sales segment manages the purchase and sale of sectional owned condominiums, investment real estate, and detached houses; and its accompanying construction and brokerage commission income. The Leasing and Others segment deals with leasing and management which includes rental income from condominiums, apartments, and buildings; and rental management fees for building administration. The company was founded by Susumu Fujita on May 2, 1990 and is headquartered in Tokyo, Japan.