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Most-Reviewed Generator Service & Repair in Stockton, CA

Finding reliable Generator Service & Repair in Stockton, CA is easier when you let owner feedback do the talking. The five contractors below have collected the most verified reviews from local boat owners on Boatwork, giving you a clear picture of real-world experience before you commit. Browse the list and request a free estimate from the pro that fits your needs.

By Boatwork in Stockton, CA·5 pros·1108 lists by this author·June 23, 2026·Updated July 18, 2026
5 pros
J&H Marine logo

J&H Marine

4.9(48)
(209) 951-0283Stockton, CAGet Directions
Stockton, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About J&H Marine

Operating from their Stockton, California headquarters, J&H Marine has built a reputation as a comprehensive boat maintenance and repair specialist serving Northern California's diverse marine community for over 20 years. Their team of highly skilled and certified technicians brings extensive experience across all aspects of marine engine repair, boat maintenance,...

What others are saying about J&H Marine

A common theme in the reviews is the consistent praise for J&H Marine's professional team and their ability to tackle complex marine repairs that other shops couldn't solve. On the workmanship front, customers repeatedly highlight their expertise wit...

Reviews sourced from Google

My ThoughtsBacked by 48 reviews and a 4.9 rating, J&H Marine earns strong owner confidence across generator service, engine repair, and marine electrical work.
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Paradise Point Engine and Boat Repair logo

Paradise Point Engine and Boat Repair

4.8(110)
(209) 952-3383Stockton, CAGet Directions
Stockton, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About Paradise Point Engine and Boat Repair

Operating as a factory-authorized repair facility since 1979, this Stockton-based marine service provider has built a reputation for delivering comprehensive engine and boat repair solutions to California Delta boaters for over three decades. Paradise Point Engine and Boat Repair specializes in stern drive, outboard, and inboard engine systems, offering everything...

What others are saying about Paradise Point Engine and Boat Repair

Customers repeatedly praise Paradise Point Engine and Boat Repair for their exceptional expertise and comprehensive parts availability across all major marine brands. When it comes to customer service, clients consistently highlight the knowledgeable...

Reviews sourced from Google

My ThoughtsWith 110 reviews and a 4.8 rating — the highest review count on this list — Paradise Point Engine and Boat Repair also brings 47+ years in business to every generator and engine job.
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DP

Diesel Performance

4.1(43)
(209) 946-0233Stockton, CAGet Directions
Stockton, CABoat Mechanics & Engine RepairFuel PolishingGenerator Service & Repair

About Diesel Performance

Operating from their Stockton, California facility, Diesel Performance has established themselves as a specialized provider of marine diesel engine services in the Central Valley and Delta waterways region. Their focus on diesel-powered vessels sets them apart in a market where precision engine work and reliable maintenance are critical to boat...

My ThoughtsDiesel Performance holds a 4.1 rating across 43 reviews, with owner feedback spanning generator service, engine repair, and fuel polishing.
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RL

R. L. Righetti Enterprises

4.5(10)
(209) 464-8306Stockton, CAGet Directions
Stockton, CABoat Mechanics & Engine RepairGenerator Service & Repair

About R. L. Righetti Enterprises

Operating from the heart of California's Central Valley, R. L. Righetti Enterprises has established itself as a comprehensive Cummins diesel engine service center specializing in marine, industrial, agricultural, and commercial applications. Based in Stockton, California, this full-service dealership brings extensive expertise in engine repair, maintenance, and parts distribution for vessels...

My ThoughtsR. L. Righetti Enterprises carries a 4.5 rating from 10 reviews, covering generator service and boat mechanics & engine repair.
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Sonsray Fleet Services logo

Sonsray Fleet Services

3.2(103)
(209) 231-7703Stockton, CAGet Directions
Stockton, CAGenerator Service & Repair

About Sonsray Fleet Services

Operating as North America's largest Thermo King authorized dealer, Sonsray Fleet Services has established itself as a dominant force in commercial refrigeration for the transportation industry. The company specializes in providing comprehensive solutions for refrigerated trailers, trucks, vans, auxiliary power units, and cutting-edge electric refrigeration systems, serving fleets and owner-operators...

My ThoughtsSonsray Fleet Services has gathered 103 reviews — one of the larger sample sizes here — with a current rating of 3.2, focused on generator service and repair.
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