The Best Plumbing Contractors in Fairfax, CA

Compare the highest-rated plumbing professionals in Fairfax, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Fairfax Plumbing

4.8
(120 reviews)
Verified

A highly-rated, local family-owned business known for its prompt service and deep roots in the Fairfax community. They emphasize personalized service for both residential and commercial clients and are praised for their honesty and expertise in everything from small repairs to major installations.

69 Bolinas Rd, Fairfax, CA 94930

Specialties & Features

Emergency Plumbing Repairs
Water Heater Installation and Repair
Bathroom and Kitchen Plumbing

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

H2O Plumbing

4.7
(180 reviews)
Verified

Serving all of Marin County from their base in San Rafael, H2O Plumbing is a well-established contractor known for professional, clean, and efficient service. They have a strong focus on advanced leak detection and repiping projects, making them a go-to for complex residential and commercial plumbing issues.

15 Woodland Ave, San Rafael, CA 94901 (Serves Fairfax)

Specialties & Features

Leak Detection and Repair
Pipe Installation and Replacement
Drain Cleaning and Sewer Services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Magic Plumbing

4.6
(250 reviews)
Verified

A large, reputable company based in the broader Bay Area (South San Francisco) that reliably serves Marin County, including Fairfax. They are known for their 24/7 emergency response and wide range of services, from drain cleaning to full water heater system replacements. Their size allows for quick scheduling and extensive resources.

Headquarters in South San Francisco, CA (Serves the entire Bay Area, including Fairfax)

Specialties & Features

Emergency Plumbing Repairs
Drain Cleaning and Sewer Services
Water Heater Installation and Repair

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Fairfax

** The plumbing market in Fairfax, California, reflects the character of Marin County as a whole: it is a high-cost, high-service-quality environment. The competition is strong among a mix of small, local family-owned businesses and larger, well-established regional companies that serve the entire county. Due to the affluent nature of the area and the prevalence of older homes, there is a significant demand for both routine maintenance and high-end plumbing upgrades, particularly for bathroom remodels and pipe replacement. **Average Quality:** The quality expectation is very high. Customers in Fairfax prioritize reliability, professionalism, and expertise, often willing to pay a premium for trusted, licensed, and insured contractors. **Competition Level:** Moderate to high. While there are not dozens of providers physically located within Fairfax's small borders, many top-tier contractors from San Rafael, Novato, and the wider Bay Area actively compete for business in the town. This gives consumers excellent choices. **Typical Pricing:** Pricing is above the national average. A standard service call fee typically ranges from $125 to $250, with hourly labor rates between $150 and $250+ for highly skilled plumbers. Emergency and after-hours services command a significant premium. The high cost is attributed to the region's high cost of living, business overhead, and the expertise of the service providers.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Fairfax regulations and climate

Frequently Asked Questions About Plumbing in Fairfax

Get answers to common questions about plumbing services in Fairfax, California.

1What are common plumbing issues for Fairfax homeowners related to our local climate and terrain?

Fairfax's hilly terrain and mature tree root systems make sewer line intrusions and damage very common. Additionally, our Mediterranean climate with dry summers can cause soil shifting, potentially stressing underground pipes. In older homes, galvanized pipes are also prevalent and prone to corrosion, which can affect water pressure and quality.

2How do I verify a plumbing contractor is properly licensed and insured for work in Fairfax?

Always ask for their California Contractor State License Board (CSLB) license number and verify it online at www.cslb.ca.gov. A legitimate plumber in California must hold a C-36 Plumbing license. For work in Fairfax, also ensure they carry general liability and workers' compensation insurance, as this protects you from liability and is a sign of a reputable, professional operation.

3Are there specific local regulations in Fairfax that affect plumbing repairs or installations?

Yes, Fairfax follows strict Marin County and California state codes, including Title 24 energy and water conservation standards. This often requires low-flow fixtures (toilets, showerheads) for any replacement and can influence water heater installations. For major work, a permit from the Marin County Building Department is typically required, which a qualified plumber will help you secure.

4What is a typical price range for common plumbing services in the Fairfax area?

Pricing in Fairfax and Marin County is generally higher than national averages due to local labor and operational costs. As a guideline, a standard service call ranges from $150-$300, fixing a running toilet $200-$400, and water heater replacement $1,800-$4,000+ depending on type and complexity. Always request a detailed, written estimate before work begins.

5When is the best time to schedule preventative plumbing maintenance in Fairfax?

Late spring (after the rainy season) is ideal for inspecting for any winter-related leaks or damage. Scheduling before the holiday season is also wise to avoid emergencies when houses are full of guests. Proactively checking your main sewer line with a camera inspection is highly recommended every few years due to the local issue with tree roots.