Mitsui Fudosan Co., Ltd. engages in the real estate business. It operates through the following segments: Leasing, Property Sales, Management, and Other. The Leasing segment provides leasing of office buildings and commercial facilities. The Property Sales segment sells condominiums and detached houses for individuals; and rental housing and office buildings for investors. The Management segment offers property management, brokerage, and asset management services. The Other segment includes remodeling services, gardening supply, power transmission, and heat supply distribution. The company was founded by Takatoshi Mitsui in 1673 and is headquartered in Tokyo, Japan.