Crane barge and commercial diver lowering a steel gangway into the water on a marine construction job

Sunken sailboat being raised during a Sub One Diving salvage operation

Commercial diver in a dive helmet on a dock beside a moored vessel, preparing for an underwater job

Commercial Diving Services in the San Francisco Bay Area

Name: SUB ONE DIVING
Address: 1784 Smith Avenue, San Jose, CA, 95112, US
Telephone: (415) 840-4666

Sub One Diving Inc. is a licensed commercial diving contractor (California Contractors License #1148169) providing inspection, maintenance, construction and salvage services for vessels and marine operations at every major Bay Area port.

Call (415) 840-4666 or email info@subonediving.com

Our Services

Ship Husbandry
Underwater Inspections and Surveys
Anode Installation
Hull Cleaning and Maintenance
Propeller Polishing
Sea Chest Penetration and Cleaning
Cofferdam Installation and Fabrication
Transducer Replacement
Salvage Operations
Marine Construction Support

Ports We Serve

We proudly serve all major commercial ports in the San Francisco Bay Area, including:

Port of San Francisco
Port of Oakland
Port of Richmond
Port of Redwood City
Port of Benicia
Port of Alameda
Port of Pittsburg
Port of Crockett

About Sub One Diving

A collection of maritime professionals with extensive international commercial diving experience. Sub One Diving specializes in providing exceptional underwater services for vessels and marine operations throughout the San Francisco Bay Area and beyond. With a focus on ship husbandry, we ensure your vessels remain in optimal condition while adhering to the highest safety standards.

Contact Us

Email: info@subonediving.com
Phone: (415) 840-4666
Location: Port of San Francisco, CA
California Contractors License #1148169