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Best Value CNC Precision Cutting & Machining in California (2026)

Finding reliable CNC Precision Cutting & Machining for your boat in California means trusting the work to pros who know marine tolerances and can deliver accurate, durable results. This list brings together well-reviewed California contractors with proven track records across a range of vessel types and machining needs. Compare quotes from these trusted pros to find the right fit for your project.

By Boatwork in California·10 pros·1107 lists by this author·June 11, 2026·Updated July 8, 2026
10 pros
Al Larson Boat Shop logo

Al Larson Boat Shop

4.5(58)
(310) 514-4100Los Angeles, CAGet Directions
Los Angeles, CABoat Carpentry & WoodworkBottom Painting & AntifoulingYacht Engineering & Systems

About Al Larson Boat Shop

Established in 1903, Al Larson Boat Shop represents over a century of continuous marine service excellence in Southern California. Located at the entrance of Fish Harbor in San Pedro, this full-service shipyard has been serving the maritime community for more than 120 years, making it one of the oldest continuously...

What others are saying about Al Larson Boat Shop

Customers repeatedly praise Al Larson Boat Shop as a historic, full-service shipyard offering comprehensive marine repairs including machine shop, welding, carpentry, and paint services for both commercial and pleasure vessels. When it comes to the f...

Reviews sourced from Google

My ThoughtsRated 4.5 across 58 reviews, Al Larson Boat Shop brings over 123 years of experience and a full-service boatyard background that supports complex, multi-trade marine projects.
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The Ski Clinic logo

The Ski Clinic

4.2(66)
(925) 706-2858Antioch, CAGet Directions
Antioch, CABoat Surveying & InspectionBoat Mechanics & Engine RepairJet Ski Repair & Service

About The Ski Clinic

Specializing in personal watercraft repair and maintenance, The Ski Clinic has built a reputation as a dedicated service provider for jet ski owners in the Antioch, California area and throughout the greater East Bay region. Their focus on PWC-specific expertise sets them apart in a market where many marine shops...

My ThoughtsThe Ski Clinic holds a 4.2 rating from 66 reviews and covers CNC machining alongside engine repair and jet ski service, making it a versatile shop with a solid review base built over 25+ years.
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BS

Buck's Saw Service

4.6(45)
(415) 897-6811Novato, CAGet Directions
Novato, CABoat Carpentry & WoodworkYacht Engineering & SystemsCNC Precision Cutting & Machining

About Buck's Saw Service

Specializing in precision cutting and custom fabrication for the marine industry, Buck's Saw Service has built a reputation for delivering high-quality craftsmanship to boat owners and marine professionals throughout the Novato, California area and the greater San Francisco Bay region. With expertise in precision cutting services, the business serves as...

What others are saying about Buck's Saw Service

Reviewers consistently highlight Buck's Saw Service's versatility in handling everything from quick tool sharpening and small repairs to major equipment sales and comprehensive maintenance services. Whether customers need a simple blade sharpening, c...

Reviews sourced from Google

My ThoughtsBuck's Saw Service earns a 4.6 rating from 45 reviews, with specialties spanning CNC precision cutting, boat carpentry, and deck repair — a strong combination for structural and finish work.
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Prop Shop logo

Prop Shop

4.9(24)
(510) 235-7767Richmond, CAGet Directions
Richmond, CAYacht Engineering & SystemsCNC Precision Cutting & MachiningBoat Repair & Maintenance

About Prop Shop

Specializing in propeller repair and precision machining for marine vessels, this full-service facility in Richmond, California has built a reputation for treating each job with exceptional care, knowledge, and hands-on expertise. Located in the heart of the San Francisco Bay Area's maritime corridor, Prop Shop serves boat owners, yacht captains,...

What others are saying about Prop Shop

What stands out most across reviews is Prop Shop's exceptional expertise in propeller and shaft repair, with customers consistently praising their ability to handle everything from custom modifications to emergency repairs. When it comes to service,...

Reviews sourced from Google

My ThoughtsProp Shop carries a 4.9 rating from 24 reviews, reflecting consistent satisfaction across CNC machining, yacht engineering, and general boat repair and maintenance.
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Cogswell Marine & Motorsports logo

Cogswell Marine & Motorsports

4.5(28)
619-424-7446Chula Vista, CAGet Directions
Chula Vista, CABoat Surveying & InspectionBoat Mechanics & Engine RepairGenerator Service & Repair

About Cogswell Marine & Motorsports

Operating from Southern California, Cogswell Marine & Motorsports holds the distinction of being San Diego's oldest Volvo Penta sales and service dealer, bringing 43 years of specialized marine and motorsports expertise to the region. This longevity in the industry reflects a deep-rooted commitment to quality service and technical excellence that...

My ThoughtsRated 4.5 from 28 reviews and in business for 44+ years, Cogswell Marine & Motorsports is a seasoned shop covering engine repair, generator service, and yacht engineering systems.
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SM

SD Model Makers

4.9(31)
(760) 525-4341Carlsbad, CAGet Directions
Carlsbad, CABoat Carpentry & WoodworkYacht Engineering & SystemsCNC Precision Cutting & Machining

About SD Model Makers

Precision craftsmanship meets marine innovation at this specialized workshop in Carlsbad, California. SD Model Makers has built a reputation for delivering highly detailed custom fabrication and modeling services that serve the marine industry and beyond. Their expertise in creating accurate scale models and custom components makes them a valuable resource...

My ThoughtsSD Model Makers holds a 4.9 rating from 29 reviews, with specialties in CNC precision cutting, yacht engineering, and boat carpentry — a high-rated option for detail-driven fabrication work.
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EngineTech Machine logo

EngineTech Machine

4.6(23)
(805) 928-7973Santa Maria, CAGet Directions
Santa Maria, CABoat Mechanics & Engine RepairJet Ski Repair & ServiceYacht Engineering & Systems

About EngineTech Machine

Operating from Santa Maria on California's scenic Central Coast, EngineTech Machine has built a reputation as a full-service engine, performance, and machine shop with over 30 years of trusted expertise in the marine and automotive industries. This family-owned operation specializes in custom engine building and precision machine work, offering boat...

My ThoughtsEngineTech Machine is rated 4.6 from 23 reviews, offering CNC machining alongside engine repair and yacht engineering for owners who need mechanical and precision work handled together.
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Quality Diesel Machine logo

Quality Diesel Machine

4.0(32)
(866) 789-9320West Sacramento, CAGet Directions
West Sacramento, CABoat Mechanics & Engine RepairYacht Engineering & SystemsCNC Precision Cutting & Machining

About Quality Diesel Machine

Specializing in heavy-duty diesel engine repair and machining services, this West Sacramento-based operation has built a reputation over more than five decades for delivering precision work and reliable parts supply to the marine and industrial sectors. Quality Diesel Machine serves boat owners, commercial vessel operators, and heavy equipment professionals throughout...

What others are saying about Quality Diesel Machine

A common theme in the reviews is that Quality Diesel Machine specializes in comprehensive diesel engine work, with customers frequently mentioning cylinder head rebuilds, engine reconditioning, and parts availability for brands like Cummins, Detroit,...

Reviews sourced from Google

My ThoughtsQuality Diesel Machine holds a 4.0 rating from 32 reviews, with a focus on diesel engine repair, yacht systems, and CNC machining — a practical choice for diesel-powered vessels.
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Pfaff Engines logo

Pfaff Engines

4.4(7)
714-899-2311Huntington Beach, CAGet Directions
Huntington Beach, CABoat Mechanics & Engine RepairCNC Precision Cutting & MachiningBoat Repair & Maintenance

About Pfaff Engines

With over 40 years of experience in high-performance marine engine building, Pfaff Engines has established itself as a specialized powerhouse for boat owners seeking expert engine services along the West Coast. Operating from their Huntington Beach facility, the business has built a reputation for delivering reliable engines for high-performance applications...

What others are saying about Pfaff Engines

Clients return to Pfaff Engines for their expertise in engine rebuilds and performance boating needs, with reviewers describing them as 'the Masters in Engine rebuild and boat service.' The word that comes up again and again is their technical knowle...

Reviews sourced from Google

My ThoughtsPfaff Engines has a 4.4 rating from 7 reviews, covering CNC precision cutting alongside engine repair and general boat maintenance — a smaller but positively reviewed shop worth considering.
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Boostpower Usa logo

Boostpower Usa

4.7(12)
(805) 376-6077Camarillo, CAGet Directions
Camarillo, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsCNC Precision Cutting & Machining

About Boostpower Usa

Specializing in high-performance marine racing engines and custom EFI systems, BOOSTPOWER USA has established itself as a technical authority in the marine engine building and tuning community. Based in Camarillo, California, this engine specialist focuses on delivering complete turnkey solutions for performance-oriented boat owners who demand precision engineering and measurable...

My ThoughtsBoostpower USA earns a 4.7 rating from 12 reviews, combining CNC machining with marine electrical work and engine repair — useful for projects that cross mechanical and electrical disciplines.
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