Certificate declaring LST-1083 as the first LST to anchor in Tokyo Bay
She returned to San Francisco after the war, and was decommissioned in August 1946. She was recommissioned on 8 September 1950 and served in the Korean War, finally returning to California in July 1954. She was named Plumas County on 1 July 1955 and spent the rest of her career operating off California, and in the Pacific, carrying out joint amphibious exercises with Nationalist China and South Korea. She was placed in reserve at Sasebo on 22 August 1961, and was transferred to the Military Sea Transportation Service in December 1965.
Plumas County earned one battle star during World War II and three battle stars during the Korean War.