 Naokata was the eldest son of Hori Naohiro of Muramatsu Domain and became "daimyō" on the retirement of his father in 1768.He served in a number of minor posts within the shogunate administration, including captain of the guard of the Hibiya Gate to Edo Castle and castellan of Sunpu Castle.From 1746 he was an "Ōbangashira" and from 1751 was appointed "Fushimi Bugyō".