Open House Group Co., Ltd. engages in real estate agency and brokerage business. It operates through the following segments: Single-Family Homes Related Business, Condominiums, Property Resale, Others, and Pressance Corporation. The Single-Family Homes Related Business segment offers brokerage and construction work of single-family homes. The Condominiums segment develops and sells new condominiums. The Property Resale segment handles the acquisition, operation, and sale of profitable real estate. The Others segment includes consulting, financial services, and property management of real estate business in the United States. The Pressance Corporation segment sells condominiums. The company was founded in September 1997 and is headquartered in Tokyo, Japan.