Kuzuharagaoka-jinja Shrine was founded in Kajiwara, Kamakura City, Kanagawa Prefecture in 1887; the shusaijin (main enshrined deity) of the shrine was Toshimoto; Toshimoto was also promotoed to Jusanmi (Senior Third Rank).
1887年（明治20年）には俊基を主祭神とする葛原岡神社が神奈川県鎌倉市梶原に創建され、俊基自身にも従三位が追贈された。