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Powered By Marin H2O Your Trusted Partner in Water Quality & Plumbing Since 1961 Proudly Serving Residents & Businesses in Marin & Sonoma Counties

Top-Rated Plumber in San Rafael

Meeting All the Plumbing and Water Treatment Needs of Marin & Sonoma Counties

Since 1961, Marin H2O has been the Marin and Sonoma Counties premier destination for comprehensive plumbing and water treatment services. As a family-owned company serving San Rafael and the surrounding communities in Marin and Sonoma Counties, we've built our reputation on delivering professional solutions that work the first time, every time.

What sets Marin H2O apart is our ability to handle the full spectrum of plumbing and water treatment needs without sending you somewhere else. From standard residential fixes to complex commercial installations, our in-house capabilities cover everything from emergency repairs to targeted excavations. We're part of a larger network that provides comprehensive services of all kinds, including construction, HVAC, and specialized water treatment systems.

Our partnership with trusted brands like Culligan means you receive top-quality products backed by our expertise in proper installation and ongoing maintenance. When other companies tell you a job is too big or too complex, we have the equipment, training, and experience to handle large-scale projects that push beyond typical residential service limits.

Do not let plumbing problems disrupt your day. Speak to our experts at (415) 877-9745, or easily contact us online.

Reliable San Rafael Plumbers Ready for Any Emergency

You want a team that can actually fix your specific issue right away. We do not just offer basic fixes. We provide comprehensive repairs for both residential and commercial properties, ensuring your system runs perfectly.

Our experienced technicians handle everything from stubborn drain clogs to complex pipe replacements. If you are dealing with a sudden leak or a failing water heater, we have the tools and training to stop the damage and restore your comfort immediately.

We know that emergencies do not wait for convenient hours. That is why we offer same-day and emergency appointments whenever possible. You can rely on our fast response times and deep technical knowledge to resolve the most stressful plumbing disasters efficiently.

Here are some of the core plumbing solutions in San Rafael we provide to keep your property safe and functional:

🔹Emergency leak detection and rapid pipe repair

🔹Water heater installation, replacement, and maintenance

🔹Comprehensive drain cleaning and clearing services

🔹Detailed sewer line inspections and targeted excavations

🔹Commercial plumbing system upgrades and repairs

Let Our Family of Businesses Take Care of Yours

The Marin H2O Difference

  • Local, Trusted & Licensed
    Proudly serving our community with fully licensed, dependable experts you can trust.
  • Offering 100% Free Quotes
    Transparent, no-obligation quotes to help you make informed decisions—always free.
  • Top-Notch Customer Service
    We prioritize your satisfaction with friendly, professional support every step of the way.
  • Backed By a Warranty
    Quality work guaranteed with reliable warranties for your peace of mind.
Who We Are See All Companies Powered By Marin H2O

What Our Customers Are Saying

We're Rated 4.9 Stars With 94+ Google Reviews!
    A Trusted Long-Term Plumbing Partner
    “My contractor and I have worked with Marin H2O for several years, and the service has only gotten better over time. From scheduling to plumbing coordination to maintenance, the entire team is professional, efficient, and a pleasure to work with.”
    Marion Hill
    Professional & Respectful
    “Today I used Marin H2O for the first time on the recommendation of my neighbor. The plumber they sent, Franklin, was on time, professional, respectful, courteous, and did an excellent job flushing my tankless hot water heater.”
    Dominic D.
    Experienced Plumber
    “We used Marin H2O for two toilets and their installation. Franklin was sent, and we found him to be a very experienced plumber. He's reliable, engaging, quick, complete, and willing to explain details of what he was doing.”
    Nadine S.
    Highly Responsive & Prompt Service
    “Marin H2O is highly responsive. Our job was scheduled immediately. The staff showed up promptly, completed the installation quickly and neatly. We just got the bill, and it was a fraction of the price from another plumbing company.”
    Becket C.
    Reliable, Honest & Efficient
    “Reliable, honest, and efficient! A sewer lateral leak on a shared driveway is no fun - and after interviewing multiple vendors, it was abundantly clear that Marin H2O is the way to go. Very knowledgeable and educates their customers.”
    Iris K.

San Rafael Expertise, Professional Results

Living and working in Marin and Sonoma Counties means we deeply understand the unique challenges our local properties face. From hard water conditions to the complexities of aging infrastructure, our decades of hands-on experience have taught us how to diagnose problems accurately and quickly.

Since 1961, we have been helping our San Rafael neighbors solve their most frustrating plumbing issues. We combine traditional, old-school craftsmanship with modern technology to deliver professional results that stand the test of time. We know what works best for the homes and businesses in our specific area.

When you partner with Marin H2O, you are choosing a team that takes immense pride in doing the job right the first time. We approach every single project, whether it is routine maintenance or a complete system overhaul, with the same unwavering commitment to excellence.

We have built our reputation over more than 60 years by consistently showing up and delivering real value to our community. Let our local expertise work for you, ensuring your plumbing infrastructure remains safe, efficient, and reliable for decades to come.

Customers across Marin and Sonoma Counties turn to us because:

  • We understand local infrastructure, including older sewer lines, hillside lots, and coastal climate factors that can affect plumbing performance and material choices.
  • We are familiar with regional requirements and common practices related to permits, inspections, and water conservation measures in cities like San Rafael.
  • We support a wide range of properties, from single-family homes and condominiums to commercial buildings and light industrial spaces with more complex plumbing needs.

 

For emergency repairs and honest pricing, call Marin H2O at (415) 877-9745, or simply contact us online.


Frequently Asked Questions About Our Plumbing Services


We want you to feel completely confident before you invite us into your home or business. Over the last 60 years, our local customers have asked a few common questions before scheduling a visit. Here are clear, straightforward answers to help you understand exactly how Marin H2O operates and what you can expect from our team.

What plumbing services do you handle in San Rafael? 

We manage everything from standard residential fixes to complex commercial installations. Whether you need a simple drain cleaning, a new water heater, or a complete sewer line excavation, our in-house team has the training and equipment to get it done right.

Do you offer emergency plumbing repairs? 

Yes, we understand that burst pipes and overflowing drains cannot wait. We provide same-day and emergency appointments whenever possible. Our goal is to stop the damage quickly and restore your essential systems so your property stays safe and dry.

How does your free water analysis work? 

As part of our comprehensive water treatment solutions in San Rafael, we test your water to identify exact impurities. This transparent process allows us to recommend realistic filtration goals using trusted brands like Culligan, ensuring your family enjoys clean and safe water every day.

Are your plumbers licensed, and do you guarantee your work? 

Every technician at Marin H2O is fully licensed, insured, and highly trained. We stand firmly behind our old-school craftsmanship and professional results, which is why we include a solid one-year labor warranty on every job. If something is not right, we fix it.

Which areas in Marin and Sonoma Counties do you serve? 

We proudly serve San Rafael and the surrounding communities across both counties. With more than 60 years of local experience, we deeply understand the specific water conditions and aging infrastructure challenges unique to property owners in this specific region.

Areas We Serve
  • Marin County
  • San Rafael
  • Sonoma County
Marin H2O Marin H2O

Mission Statement 

Our mission is to deliver exceptional customer service through uncompromising quality and craftsmanship. We are dedicated to building not only superior products, but lasting relationships—designed to stand the test of time and serve generations to come.

We prioritize integrity, safety, and accountability in everything we do. Through thoughtful hiring, continuous training, state-of-the-art technology, competitive compensation, and a strong, positive culture, we empower our team to do their best work and take pride in every project.
 

Contact Us Today

At Marin H2O, we're always ready to take your call! Give us a call at (415) 877-9745 or fill out the form below to contact one of our team members.
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