He became the prefectural governor of Koizumi Domain through Hanseki Hokan (the return of lands and people to the emperor) in 1869, but lost the position through Haihan Chiken (abolition of feudal domains and establishment of prefectures) in 1871, by which Koizumi Domain was also abolished.
明治2年（1869年）の版籍奉還で小泉藩知事となり、明治4年（1871年）の廃藩置県で藩知事を免官され、小泉藩は廃藩となった。