Returning to Honolulu, his military and political commissions were renewed on March 7, 1891, and he remained on the military staff and Privy Council of State of Queen Liliuokalani until the overthrow of the monarchy in 1893. After the overthrow and the establishment of the Republic of Hawaii, Hoapili took the oath to the new regime. During this period, he served as member of the Board of Registration of Electors for Oahu. Otherwise, he remained outside the political arena and retired to a private life.