USS LSM(R)-507 was laid down on 31 March 1945 by the Brown Shipbuilding Company in Houston, Texas and launched on 28 April 1945.
Departing Houston on 27 June, LSM(R)-507 steamed via Galveston, Texas to Charleston, South Carolina, where she arrived on 7 July.
She departed on 29 January 1946, for operations off San Juan, Puerto Rico and later out of Guantanamo Bay in Cuba.
Following duty out of Norfolk, Virginia and Baltimore, Maryland, LSM(R)-507 departed Little Creek for the West Coast of the United States on 18 October, arriving in San Diego, California on 20 November.
Assigned to LSMR Squadron 3, she operated out of San Diego; she was decommissioned there on 5 February 1947 and entered the Pacific Reserve Fleet.