Marin H2O

Marin H2O is a plumber in San Rafael, CA, serving residential and commercial clients across Marin and Sonoma Counties with comprehensive plumbing and water treatment services. The company handles emergency repairs, drain cleaning, pipe replacements, water heater installations, and full system overhauls, offering same-day and emergency appointments. With over 60 years of experience, Marin H2O is known for its in-house excavation capabilities, advanced diagnostics, and one-year labor warranties. The business maintains a 4.90 rating from customer reviews, reflecting consistent reliability and quality service.

Founded in 1961 as a family-owned operation, Marin H2O was established by a local plumber whose legacy continues through the leadership of Rick Williams, who learned the trade from his grandfather. The company has grown into a trusted network of service providers, including partnerships with Culligan Water and Lennox air filtration, enabling it to deliver full-spectrum solutions for clean water and air. Marin H2O’s team performs all work on-site, including underground utility excavation, and uses specialized equipment to manage large-scale residential and commercial projects that exceed typical service limits.

Marin H2O is located on Paul Dr. in San Rafael, approximately a quarter-mile from the Passport Health San Rafael Travel Clinic and less than half a mile from the Redwood Highway. The business sits near Gallinas Creek North Fork and Smith Ranch Road, with the Lucas Valley Bus Pad just a short distance away.

The company is recognized locally for its long-standing commitment to integrity, technical expertise, and customer satisfaction. Its consistent high rating and reputation for handling complex plumbing challenges set it apart as a dependable choice in the region.

Marin H2O remains a trusted, family-driven presence in San Rafael, delivering reliable plumbing and water quality solutions across the community.