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Quickest Marine Plumbing & Sanitation in California (2026)

When a marine plumbing or sanitation problem strikes on a California boat, waiting days for a callback isn't an option. This list highlights ten contractors across the state who handle Marine Plumbing & Sanitation work and have earned strong reviews from local boat owners. Find a responsive pro near you and request a free quote to get the job moving fast.

By Boatwork in California·10 pros·1107 lists by this author·June 11, 2026·Updated July 8, 2026
10 pros
Specialty Marine logo

Specialty Marine

4.4(48)
(805) 984-6538Oxnard, CAGet Directions
Oxnard, CARigging & Sail ServicesBoat Mechanics & Engine RepairMarine Electrical & Electronics

About Specialty Marine

Operating from their facility in Oxnard, California, Specialty Marine has established itself as a comprehensive marine service provider specializing in outboard engine sales, repowers, and complete boat service solutions. As an authorized dealer for Honda, Yamaha, and Suzuki outboards, the business serves boat owners throughout Ventura County, Santa Barbara, and...

My ThoughtsSpecialty Marine carries a 4.4-star rating across 48 reviews and covers a broad range of marine services, making them a solid first call when you need someone who can handle multiple issues in one visit.
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Plumbing & Rooter Service logo

Plumbing & Rooter Service

4.9(70)
1-707-384-8147Daly City, CAGet Directions
Daly City, CAMarine Plumbing & SanitationMarine Handyman ServicesBoat Repair & Maintenance

About Plumbing & Rooter Service

Operating out of Daly City, California, this licensed plumbing contractor has built a reputation for responsive service across the San Francisco Bay Area, including the Peninsula, East Bay, North Bay, and South Bay regions. While the business name suggests a traditional plumbing focus, their service portfolio extends well beyond residential...

My ThoughtsPlumbing & Rooter Service holds a 4.9-star rating from 70 reviews, with Marine Plumbing & Sanitation listed as a core specialty — a strong sign they're well-practiced at exactly this type of work.
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Paragon Marine logo

Paragon Marine

4.9(31)
(424)443-3385Marina del Rey, CAGet Directions
Marina del Rey, CAMarine AC & Climate ControlMarine Plumbing & SanitationBoat Repair & Maintenance

About Paragon Marine

Operating out of Marina del Rey, California, Paragon Marine has established itself as a specialized marine service provider focused on three critical vessel systems: sanitation, refrigeration, and climate control. Founded by Wayne Robbins, who brings two decades of hands-on experience to the industry, this family-owned and operated business has built...

My ThoughtsParagon Marine earns a 4.9-star rating from 28 reviews and lists Marine Plumbing & Sanitation alongside Marine AC & Climate Control, so they can tackle comfort-system and plumbing issues together.
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Brian's Boat Services logo

Brian's Boat Services

4.9(92)
(562) 209-4510Glendora, CAGet Directions
Glendora, CABoat Surveying & InspectionBoat Mechanics & Engine RepairMarine Electrical & Electronics

About Brian's Boat Services

Operating out of Glendora, California, this mobile marine service company has built a reputation since 1991 for bringing comprehensive repair and diagnostic expertise directly to customers' boats, RVs, trailers, and mobile homes. With over 30 years of hands-on experience, the business distinguishes itself through a mobile-first approach that eliminates the...

My ThoughtsBrian's Boat Services brings 35-plus years of experience and a 4.9-star rating from 90 reviews — a seasoned crew that owners clearly trust to show up and get the work done right.
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Sunset Aquatic Shipyard logo

Sunset Aquatic Shipyard

4.5(109)
(562) 592-2841Huntington Beach, CAGet Directions
Huntington Beach, CABoat Carpentry & WoodworkMarine Electrical & ElectronicsBottom Painting & Antifouling

About Sunset Aquatic Shipyard

Nestled in the serene Huntington Harbour, this family-run boatyard has been delivering exceptional marine services to Southern California boat owners since 1980. With over four decades of hands-on experience, Sunset Aquatic Shipyard has built a reputation that speaks for itself—most of their customers are repeat clients, and the majority of...

My ThoughtsSunset Aquatic Shipyard has been operating for 46-plus years and holds a 4.5-star rating from 108 reviews, giving them one of the largest track records on this list for California boat owners.
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Royal Marine logo

Royal Marine

5.0(61)
6199047192San Diego, CAGet Directions
San Diego, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About Royal Marine

Operating from San Diego, California, Royal Marine has established itself as a comprehensive yacht and boat repair service provider offering both mobile and facility-based marine maintenance solutions. The business caters to vessel owners throughout the San Diego area with a versatile service model that includes mobile dockside repairs, work at...

What others are saying about Royal Marine

Clients return to Royal Marine for their exceptional reliability and comprehensive expertise across all types of marine work. From routine engine maintenance and outboard servicing to complex projects like complete engine swaps and challenging instal...

Reviews sourced from Google

My ThoughtsRoyal Marine carries a perfect 5.0-star rating across 61 reviews — an impressive consistency that suggests owners have repeatedly been satisfied with the quality and timeliness of their work.
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Dana Point Shipyard logo

Dana Point Shipyard

4.3(66)
(949) 661-1313Dana Point, CAGet Directions
Dana Point, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsFiberglass & Gelcoat Repair

About Dana Point Shipyard

Operating from the heart of Southern California's renowned boating community since 1967, this family-owned shipyard has built a reputation for delivering exceptional marine services across recreational, commercial, and professional sectors. With nearly six decades of hands-on experience, Dana Point Shipyard combines traditional craftsmanship with modern techniques to serve vessels of...

What others are saying about Dana Point Shipyard

Customers repeatedly praise Dana Point Shipyard's exceptional workmanship and thorough approach to marine services. Known for their expertise in bottom paint applications and comprehensive boat maintenance, this family-owned business consistently del...

Reviews sourced from Google

My ThoughtsDana Point Shipyard has 59-plus years in business and a 4.3-star rating from 66 reviews, with Marine Plumbing & Sanitation among their listed specialties at a long-established California facility.
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BT Marine logo

BT Marine

4.5(34)
(916) 492-2104West Sacramento, CAGet Directions
West Sacramento, CAHull & Bottom CleaningBoat Mechanics & Engine RepairBoat Detailing & Cleaning

About BT Marine

Situated in West Sacramento, California, BT Marine operates from a 10,000 square foot facility purpose-built for comprehensive marine service and repair. The business has established itself as a factory-authorized service center with certified mechanics trained by MerCruiser, OMC, PleasureCraft Marine, SeaRay, and Centurion, bringing manufacturer-level expertise to recreational boaters throughout...

My ThoughtsBT Marine holds a 4.5-star rating from 34 reviews, primarily focused on hull, bottom, and engine work — worth contacting if you need plumbing service bundled with other maintenance in one trip.
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HM

Hankinson Marine

5.0(34)
(714) 404-7499Tustin, CAGet Directions
Tustin, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsMarine Plumbing & Sanitation

About Hankinson Marine

Operating from Tustin, California, Hankinson Marine serves the Southern California boating community with specialized marine services and expertise. The business has established itself as a knowledgeable resource for boat owners throughout Orange County and the surrounding coastal areas, providing both maintenance solutions and repair services for a variety of vessels....

What others are saying about Hankinson Marine

Customers repeatedly praise Hankinson Marine for Trent's exceptional ability to quickly diagnose complex marine problems and deliver professional solutions with remarkable attention to detail. Known for same-day service and rapid response times, the...

Reviews sourced from Google

My ThoughtsHankinson Marine posts a perfect 5.0-star rating from 34 reviews and lists Marine Plumbing & Sanitation as a core specialty, making them a highly rated option when you need the job done quickly and correctly.
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Makan Yacht Group logo

Makan Yacht Group

4.5(18)
(310) 310-9581Newport Beach, CAGet Directions
Newport Beach, CABoat Mechanics & Engine RepairMarine Electrical & ElectronicsFiberglass & Gelcoat Repair

About Makan Yacht Group

Serving yacht owners along the Southern California coast, Makan Yacht Group has established itself as a comprehensive resource for vessel management, maintenance, and advanced marine systems integration. Operating from dual locations in Marina del Rey and Newport Beach, the business provides a full spectrum of services designed for owners who...

What others are saying about Makan Yacht Group

What stands out most across reviews is Makan Yacht Group's impressive range of expertise, from routine maintenance and bilge pump replacements to complex gyro installations on luxury yachts. Whether customers need emergency same-day service during co...

Reviews sourced from Google

My ThoughtsMakan Yacht Group has a 4.5-star rating from 18 reviews and covers engine, electrical, and fiberglass work alongside yacht management — a newer presence on Boatwork worth reaching out to for a quote.
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