Sumitomo Realty & Development Co., Ltd. is a Japanese real estate company. It develops and leases office buildings, develops and sells condominiums and detached houses, and develops, leases, and sells real estate properties. The company also operates and manages office buildings, multipurpose halls, commercial complexes, hotels, fitness clubs, a golf course, and retail facilities. It provides asset utilization services, remodeling, construction and design, real estate brokerage and appraisal, parking, house cleaning, interior design and sales, catering, insurance, and operates Japanese and Western restaurants and convenience stores under the Rieven House brand. It serves corporate and private customers. Formerly Izumi Real Estate Co., Ltd., it changed its name to Sumitomo Realty & Development Co., Ltd. in 1957. The company was incorporated in 1949 and is headquartered in Tokyo, Japan.