Known as a hobbyist, he built a mansion in Tokyo, the Imaichō residence (今井町邸, Imaichō-tei), in 1906. In the area of approximately 13,500 tsubo (44,631
"complicated roof style with multiple ridges and bargeboards". 今西家住宅(奈良県橿原市今井町) [Imanishi Family Residence] (in Japanese). Agency for Cultural Affairs.
Sakurai City, Nara City 74 kashiharajingū and imai machi no machinami 橿原神宮と今井町の町並み Nara Prefecture, Kashihara City 75 Asuka, Yamato 飛鳥 Nara Prefecture,
of Traditional Buildings Matsuyama, Uda (宇陀市松山) Imai-chō, Kashihara (橿原市今井町) Gojō-shinmachi, Gojō (五條市五條新町) Groups of municipal importance in Gojō, Kashihara