佐倉藩
The following year, he was reassigned to Sakura Domain in Kazusa Province. His revenues were increased by 10,000 "koku" in 1680 and his courtesy title was elevated to Chamberlain. In 1684, the "Tairō" Hotta Masatoshi was assassinated by "wakadoshiyori" Inaba Masayasu, and his cousin Inaba Masamichi was punished by demotion from Odawara Domain to the much smaller Takada Domain in Echigo Province. Ōkubo Tadatomo was assigned to Odawara in his place in 1686. His revenues were further increased by an additional 10,000 "koku" in 1698, reaching a total 113,000 "koku". He retired from public life in 1698 and died in 1712. His grave is at the temple of Saisho-ji in Setagaya, Tokyo.