Grandy House Corp. engages in the construction and sale of ready-built and custom homes in Japan. Its operations are carried out through the following segments: Real Estate Sales, Construction Materials Sales, and Real Estate Leasing. The Real Estate Sales segment manages the sale of newly built single-family houses and used houses. The Construction Materials Sales segment manages the sale of residential building materials. The Real Estate Leasing segment manages the office, residential, and parking rental businesses. It also engages in the manufacture and sale of pre-cut materials. The company was founded by Toshio Kikuchi on April 10, 1991 and is headquartered in Utsunomiya, Japan.