Of the housings designed for Hojo during Kamakura era, history of two types of housings are studyed. These two residences were at the west of Okurra residence. The west residence of it became a housing called Akahashi and it was inherited from Nagatoki to Yoshimasa, then to Naritoki, Akitoki, Hisatoki and Moritoki of Hojo. The east residence of it became a housing called Nishi and it was inherited from Masamura to Munemasa, Akitoki and Morotoki of Hojo.
