Colberg Boat Works

Colberg Boat Works was a shipbuilding company in Stockton, California on the Stockton Channel. To support the World War II demand for ships Colberg Boat Works built: Minesweepers, Type V ship Tugboats, and Submarine chasers. The minesweepers were an Aggressive-class minesweeper and Agile-class minesweeper class. Colberg Boat Works was opened by three brothers, Wilton, Jack and Gordon Colberg in 1896. The shipyard closed in 1990s. The yard located at 848 West Fremont Street, Stockton, California. The Colberg Boat Works yard was next to the Stephens Bros. Boat Builders yard. Colberg Boat Works was on the deepwater port on the Stockton Ship Channel of the Pacific Ocean and an inland port located more than seventy nautical miles from the ocean, on the Stockton Channel and San Joaquin River-Stockton Deepwater Shipping Channel (before it joins the Sacramento River to empty into Suisun Bay.