The family crest of Hollyhock is seen on the Buddhist sanctum, the hall dedicated to the souls of ancestors, the Chinese-style gate and the bell tower, all of which are Prefecture designated important cultural properties for Kanagawa Prefecture.
仏殿、祠堂、唐門、鐘楼などには葵の紋が見られ、いずれも神奈川県指定の重要文化財に選定されている。