When Toshitsune MAEDA and Sotan GEMPAKU died in 1658, Soshitsu SENSO succeeded the Urasenke school to become its 4th head, and in 1671 when he was retained by Tsunanori MAEDA as a tea server, he was given a 150 koku salary and a residence at Misogura-cho in Kanazawa-jo castle town.
万治元年（1658年）に前田利常と元伯宗旦が相次いで没すると、裏千家の4代を継承し、寛文11年（1671年）に前田綱紀に茶堂として仕官して百五十石と金沢城下の味噌蔵町の屋敷を与えられた。