Al Larson is the oldest marine repair facility in Southern California. Serving both commercial Government and larger private vessel customers, Al Larson has the experience and expertise to maintain and repair tugboats, government vessels, barges, offshore oil equipment, ferries, fireboats, working boats, research vessels, and yachts as well as many other types of marine equipment.


Al Larson Boat Shop’s expertise is ship repair and alterations of commercial, government and larger private vessels on and off site. Our facility has (4) marine railways and (1) floating drydock in which to haul vessels from water to facilitate underwater hull repairs such as propeller, propeller shaft, structural repair/alteration, surface preparation and preservation. We also have ample dock space to perform ‘dockside’ repairs when dryberthing is not required. Repair of various tugboats, fishing vessels, research craft, fireboats, barges, Navy craft, Coast Guard craft constructed of wood, aluminum and steel have been successfully overhauled and repaired at our facility.

We staff qualified personnel to perform all marine repair activities ~ Click on a link below for a description of our machinery and capabilities.


  • Sandblasting, we provide our own in house sandblasters and equipment.
  • Water jetting (40,000 psi) Our equipment are 2 Flow water-jetting pumps and guns. Great equipment to use around machinery and for limited spot work. Cocooning is generally not required.
  • Water Blasting (3,000 to 4,500 psi) low pressure removal of marine growth and for general cleaning.
  • Airless Spraying High production spray painting. Used for applying large quantities of paint.
  • Conventional Spraying, equipment used for more refined paint jobs, Applications of yacht urethanes.


  • Heavy Band Saws
  • Joiners
  • Table Saws
  • Planers
  • Cross Cut Saws
  • Shapers
  • Cabinetry Shop


  • Stainless Steel
  • Mild Steel
  • Aluminum
  • Oxy/Acetylene
  • MIG
  • TIG


Al Larson staffs qualified inside and outside machinists and has a full service machine shop onsite.  We also specialize in shaft straightening, line boring, and bearing replacements.

  • Lathes
  • Radial Drill Presses
  • Shapers
  • Hydraulic Press Up to 100 Ton
  • 10-Ton Overhead Cranes
  • Metal band saws
  • Milling Machines
  • Bead blasting -machine


  • 3 – 3 Ton Forklifts
  • 55 Ton hydraulic crane RT555T
  • 35 Ton hydraulic crane RT230-2
  • 35 Ton hydraulic crane RT230
  • 2-8 Ton Telescopic Forklift Liftall
  • 2 Half Ton pickup trucks
  • 10 Ton dump truck
  • 10 Ton flatbed truck
  • 3 Air Compressors (900 CFM)
  • Portable Welding Equipment
  • Portable water jetting machine up 40,000 psi
  • 1945 Army ST pusher tugboat
  • 2-staging floats 30’ tall
  • Bobcat


  • Injury and Illness Prevention Program (I+IPP)
  • Hazardous Communication Program (NCP-2)
  • Drug and Alcohol Policy (DAAP-1)
  • Confined Space Entry Program (CSEP-1)
  • Integrated Fire Protection System (ALSB-09-08)
  • Respiratory Protection Program (RESP-1)
  • Spill Prevention Plan (SPP-1)
  • Heavy Weather Plan (009-06)
  • Forklift training
  • Hazardous materials management program (HMMP-1)
  • Storm water pollution prevention plan (SWPPP)
  • Emergency contingency plan


  • Floating Drydock – 1,000 Ton up to 200 feet
  • Marine railway #4 – 1,200 Ton up to 265 feet
  • Marine railway #3 – 325 Ton up to 150 feet
  • Marine railway #2 – 275 Ton up to 100 feet
  • Marine railway #1 – 300 Ton up to 125 feet


Typically repairs and alterations are performed at our facility in Terminal Island, however, Al Larson Boat Shop can provide a variety of ship repair equipment and personnel to on-site locations as required by the customer.

  • We have a variety of portable welding machines capable to weld many ferrous and non-ferrous metals with many processes and personnel certified by Navy, ABS, and Coast Guard standards.
  • An ultra high-pressure (40,000 psi) water jetting machine capable of removing all coatings and foreign material and equipment and personnel to apply coatings.
  • Our machine shop personnel can perform many tasks onboard vessels including piping, machinery repairs, and removal and installation of equipment.
  • Full electrical support.
  • Shipwright and carpentry is also available.

Al Larson Boat Shop has a number of competent subcontractors and vendors at their disposal that are available to perform specific tasks. Our subcontractors/vendors have performed with ALBS for a number of years and are familiar with the ship repair industry. Many of them are located from the surrounding Los Angeles harbor and local communities.