Instead of the Imperial Palace of the bakufu, which had been in Okura Imperial Palace since the days of Yoritomo, Yasutoki constructed a new bakufu building in Utsunomiya-tsujiko in the south of Tsurugaoka-Hachiman-gu Shrine and east of Wakamiya-oji Street.
頼朝以来大倉御所にあった幕府の御所に代わり、鶴岡八幡宮の南、若宮大路の東側である宇都宮辻子に幕府を新造する。