In November 1246, he was appointed the fourth head of the Board of Inquiry to replace his nephew Yasumochi who lost his position in the Kangen Incident in the same year, and filled the position until October 24, 1256, immediately before his death.
寛元4年（1246年）の寛元の乱で甥の康持が失脚したために、同年8月に替わって問注所執事（第4代）に任じられて、死の直前の康元元年9月28日まで務めた。