The office is responsible for the maintenance of state-owned Kyoto Imperial Palace, Kyoto Omiya Imperial Palace, Sento Imperial Palace, Katsura Imperial Villa, Shugakuin Imperial Villa, mausoleums and tombs of emperors and imperial family members in the Kinki region, i.e., Momoyama Mausoleum region, Tsukinowa Mausoleum region, Unebi Mausoleum region, and Furuichi Mausoleum region, and the Shosoin Treasure House.
国有財産である京都御所、京都大宮御所、仙洞御所、桂離宮、修学院離宮と桃山陵墓監区、月輪陵墓監区、畝傍陵墓監区、古市陵墓監区の各所轄の近畿地方の天皇陵や皇族の墓、正倉院を管理を担当している。