Lark departed Boston, Massachusetts 3 July 1919 to join the North Sea Minesweeping Detachment at Kirkwall, Orkney, Scotland.

She got underway for the United States 1 October and steaming via Plymouth, England, Brest, and Lisbon, and arrived in New York 19 November.

After aiding survivors of the bombing of the Navy Yard, Lark worked her way south to the Netherlands East Indies.

On 13 October Lark sailed from Melanesia and joined a convoy headed for San Pedro Bay, Philippine Islands.

Standing out in convoy from Leyte Gulf on 9 November, Lark, with USS Vireo (AT-144) in tow, steamed for Hollandia.

Ordered to San Francisco, two weeks later, she decommissioned 7 February 1946, and 15 January 1947 was transferred to the Maritime Commission for disposal.