(209) 951-0283 service@jhmarine.com
(209) 951-0283 service@jhmarine.com
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Enjoy the water without worries

With a passion for the marine industry and a commitment to excellence, we have been serving boat owners like you for 20 years. Our mission is to ensure your vessel stays seaworthy, efficient, and safe.
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Your Trusted Boat Maintenance Partner

Welcome to J&H Marine, your premier partner for comprehensive boat maintenance services.

Our Expertise

We boast a team of highly skilled and certified technicians

At J&H Marine, we boast a team of highly skilled and certified technicians who are well-versed in all aspects of boat maintenance, repair, and installations. Their extensive experience and dedication to staying updated with the latest marine technologies make them the backbone of our company. No matter the make or model of your boat, our technicians are equipped to handle a wide range of services, from mechanical repairs to marine systems troubleshooting.

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Let us help you keep your boat shipshape

Whether you need a quick repair, routine maintenance, or a comprehensive overhaul, J&H Marine is your go-to boat maintenance company.

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Authorized Dealerships

As authorized dealers for renowned marine engine manufacturers such as Mercruiser, Volvo Penta, Cummins, CAT, Detroit, Yanmar, Kohler, Northern Lights, and more, we have exclusive access to genuine parts and technical support. This ensures that your boat receives the best components available in the market, maintaining the performance and reliability you expect.

A Victron Energy Professional

Embracing our commitment to offering top-notch products, we proudly serve as the premier destination for Victron Energy products in Northern California. For any technical assistance, purchase recommendations, inquiries about product details, specifications, or fundamental system designs, feel free to contact us directly. We are more than happy to address your queries.

What do we offer

  • Comprehensive Services

    Our comprehensive range of services covers all aspects of boat maintenance and repair. From routine engine diagnostics and mechanical repairs to marine systems installations and electrical troubleshooting, we have you covered. We also specialize in repowering and refits, giving your boat a new lease of life with upgraded systems and enhanced performance.

  • Preventive maintenance

    Prevention is better than cure, and we firmly believe in proactive boat maintenance. Our tailored preventive maintenance plans are designed to keep your boat in prime condition, reducing the likelihood of unexpected breakdowns and costly repairs.

  • Customer-Centric Approach

    At J&H Marine, we value the relationships we build with our customers. Your satisfaction is our top priority, and we take the time to understand your unique needs and preferences. Whether you are a seasoned boater or a first-time boat owner, we treat every project with the utmost care and attention to detail.

  • Safety First

    We understand that safety is non-negotiable when it comes to boating. That’s why safety checks and adherence to industry standards are an integral part of our service process. You can trust that your boat is in safe hands with us, allowing you to navigate the waters with peace of mind.

Customer Satisfaction Guaranteed

We take great pride in the long-lasting relationships we have built with our customers. Their trust and satisfaction are a testament to our commitment to excellence. When you choose J&H Marine, you can expect professionalism, reliability, and a team that genuinely cares about your boating experience.
  • “
    Frank W.

    We have used J&H for Service (Ranger Tugs R27 and trailer, aluminum Pioneer) over the past 12 years. I have also ordered parts several times. They have been very accommodating and Fred in parts is simply the best resource. Believe what he says. I just ordered a replacement seawater impeller and it cost $2 more than it did 5 years ago! I thought with all of the Covid related “inflation” they would charge me much more. I will keep using them and recommend to a friend.

  • “
    Cory P.

    Excellent workmanship and customer service. I have worked with several boat mechanics in Nor Cal and Eric is the best! Highly recommend.

  • “
    Michael M.

    They replaced one of the engines on 36′ Silverton. Although they had some hick-ups along they way that were really not their fault, in the end the boat runs fantastic! Thank you Kelsy!

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    Bruce S.

    The crew at J & H were relentless at solving the issues that other shops could not solve. Thank you guys for your great service.