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Best Value Boat Mechanics & Engine Repair in Napa, CA

Finding reliable Boat Mechanics & Engine Repair in Napa, CA doesn't have to be a hassle. This list highlights local contractors with strong ratings and verified reviews, covering everything from engine diagnostics to full marine repairs. Compare quotes from these trusted pros to find the right fit for your boat and budget.

By Boatwork in Napa, CA·5 pros·1108 lists by this author·June 23, 2026·Updated July 18, 2026
5 pros
Berryessa Boat Repair logo

Berryessa Boat Repair

4.7(25)
707-966-9954Napa, CAGet Directions
Napa, CABoat Mechanics & Engine RepairJet Ski Repair & ServiceBoat Repair & Maintenance

About Berryessa Boat Repair

Situated at the gateway to Lake Berryessa in Napa, California, Berryessa Boat Repair has established itself as a comprehensive marine service facility serving boat and watercraft owners throughout the Napa Valley region. As a Mercury authorized dealer and repair center, the business combines factory-certified expertise with a full-service approach that...

My ThoughtsRated 4.7 stars across 25 reviews, Berryessa Boat Repair covers a broad range of services including engine repair, jet ski service, and boat trailer work — making them a versatile option for Napa boaters.
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RV & Yacht Repair logo

RV & Yacht Repair

5.0(40)
707-356-9623Napa, CAGet Directions
Napa, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About RV & Yacht Repair

Serving the Napa Valley region with certified mobile RV repair services, this Northern California-based business brings professional recreational vehicle maintenance and repairs directly to customers' homes and storage locations. Operating as RV & Yacht Repair with a Napa Mobile RV Repair division, their team specializes in eliminating the inconvenience of...

My ThoughtsA perfect 5.0 rating from 40 reviews makes RV & Yacht Repair one of the most consistently reviewed options on this list, with noted strengths in marine electrical, generator service, and climate control alongside engine repair.
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B

Boatnapa

5.0(2)
(650) 270-7369Napa, CAGet Directions
Napa, CABoat Hauling & TransportBoat Mechanics & Engine RepairFiberglass & Gelcoat Repair

About Boatnapa

Operating from the heart of Northern California's wine country, BOATNAPA brings specialized marine services to boat owners throughout the Napa region and surrounding waterways. The business serves a unique market where recreational boating intersects with the lifestyle and landscape of one of California's most distinctive regions, providing essential maintenance and...

My ThoughtsBoatnapa holds a 5.0 rating from 2 reviews and handles engine repair alongside fiberglass, gelcoat, and boat transport — a solid pick if you need multiple services addressed at once.
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Jsh Mobile Repair logo

Jsh Mobile Repair

5.0(7)
(707) 738-7281Napa, CAGet Directions
Napa, CABoat Mechanics & Engine RepairBoat Repair & Maintenance

About Jsh Mobile Repair

Serving the marine community in California's wine country and surrounding waterways, JSH Mobile Repair brings specialized mechanical and repair expertise directly to boat owners throughout the Napa region. Operating as a mobile service provider, the business eliminates the need for vessel owners to navigate the logistics of hauling their boats...

My ThoughtsJSH Mobile Repair carries a 5.0 rating from 7 reviews and focuses on boat mechanics and general maintenance, with the added convenience of mobile service for repairs at your location.
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GP

Greger Pacific Marine

(707) 320-3434Napa, CAGet Directions
Napa, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsBoat Repair & Maintenance

About Greger Pacific Marine

Operating from Napa, California, Greger Pacific Marine brings decades of specialized expertise to the marine service industry, serving vessel owners throughout Northern California and beyond. While the company maintains a discreet online presence, their reputation among boat owners and yacht operators speaks to a business model built on skilled craftsmanship...

My ThoughtsGreger Pacific Marine is new to Boatwork with no reviews yet, but offers engine repair, marine electrical, and general boat maintenance — worth requesting a quote to see if they're a fit.
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