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WHAT WE DO

Serving the West Coast with innovative solutions for marine construction projects across the commercial, private, and public sectors, Trowbridge Innovations is your trusted marine construction partner, operating as both a prime contractor and sub-contractor.

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We’re also the exclusive West Coast distributor for SnapJacket® pile preservation systems and the proud supplier of Trowbridge UW Grout — a proven solution for pilings repair, underwater concrete restoration, bridge construction, and underwater bridge repair.

pin pile in dock
Marine Construction
  • Bulkheads

  • Commercial Piers

  • Pile Driving

  • Demolition

  • Boathouses

  • Residential Docks

Floating Dock
Floating Docks
  • Residential floating docks

  • Swim platforms and floats

  • Marinas

  • Repair and re-flotation

  • Anchor Installation

crew pile sleeving
Piling Repair & Sleeving
  • Pile jacketing and sleeving

  • Concrete jacketing

  • Pile wrapping

  • Pile splicing

  • Pile driving

Commercial diving
Commercial Diving
  • Underwater welding

  • Inspections 

  • Repairs

  • ADCI certified dive team

  • ​Underwater salvage

Barge & Tug
Barge & Tug Services 
 

Providing Lake Union with mini-tug services:

  • Houseboat towing

  • Barge movement

  • Yacht assistance

  • Dock Towing

  • Barge rentals and material delivery to Lake Washington and Lake Union

Shoreline Construction
Shoreline Restoration 
 
  • Bulkhead construction, repair, and shoring

  • Retaining walls

  • Beach construction and sand delivery

  • Environmental mitigation such as man-made habitats

  • Piling removal and environmental remediation

Vessel Salvage
Salvage & Vessel Decommissioning
 
  • Preventing environmental damage â€‹

  • Removal of hazardous materials

  • Proper disposal of Vessel

  • Containment of spills

  • Dismantling of Vessel 

Yacht Motorboat
Vessel Transport 
 
  • 50-Ton Master Captain for hire 

  • Vessel delivery and relocation

  • Assistance tows and repositioning

  • Harbor and nearshore operations support

  • Experienced licensed mariners

4601 Shilshole Ave NW
Suite T
Seattle, WA, 98017
360-209-4110

admin@trowbridgeinnovations.com
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© 2023 by Trowbridge LLC. All rights Reserved. Trowbridge is an equal opportunity employer.

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