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10 Best Plumbers in Mill Valley, CA

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Written By Bradford Cuthrell

Last Updated April 2024

Plumbing issues can be expensive, destructive, and difficult to fix on your own. Whether you're dealing with a clogged drain or burst pipe, plumbers have the expertise to properly fix any household plumbing emergency.

Our team has done the research to find Mill Valley's most highly reviewed plumbing services. We'll share our findings in this guide and give you expert insights on how to choose the right company for your plumbing needs.

Top 10 Best Plumbers in Mill Valley

Gotelli Plumbing Company

Gotelli Plumbing Company Logo

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21 Lovell Ave, San Rafael, CA 94901 (415) 457-1145 gotelliplumbing.com

Transparent pricing

Timely service

Great customer service

Free quotes

Educates customers

Services Offered

Garbage disposal
Gas pipes
Repiping
Water heater
Inspections
Pool and spa
Drains
Backflow testing
Toilets
Residential plumbing
Sewers
Water treatment
Sump pump

Bellows Plumbing, Heating, Cooling & Electrical

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20 Mark Dr, San Rafael, CA 94903 (415) 949-1159 bellowsservice.com

Transparent pricing

Free quotes

Educates customers

Great customer service

Services Offered

Toilets
Sump pump
Water heater
Residential plumbing
Emergency calls
Inspections
Garbage disposal
Drains
Leak repair
Repiping
Gas pipes
Sewers
Remodeling

Works Plumbing Repair & Drain Cleaning

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5630 Fulton St, San Francisco, CA 94121 (415) 480-5146 worksplumbing.com

Educates customers

Transparent pricing

Free quotes

Great customer service

Services Offered

Trenchless
Water heater
Gas pipes
Inspections
Sump pump
Sewers
Camera inspections
Emergency calls
Drains
Toilets
Garbage disposal
Residential plumbing

One Source Plumbing and Rooter

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350 Bay St #100-178, San Francisco, CA 94133 (415) 993-5090 onesourceplumbingsf.com

Educates customers

Free quotes

Transparent pricing

Great customer service

Services Offered

Repiping
Drains
Residential plumbing
Emergency calls
Toilets
Camera inspections
Trenchless
Sewers
Fixtures
Backflow testing
Inspections
Water heater
Sump pump

Ongaro & Sons Inc

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11 Ross Ave, San Anselmo, CA 94960 (707) 579-3511 ongaroandsons.com

Educates customers

Transparent pricing

Free quotes

Great customer service

Services Offered

Sewers
Water heater
Gas pipes
Backflow testing
Drains
Inspections
Fixtures
Camera inspections
Residential plumbing
Repiping

Mike Plumbing Service Inc

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4244 Redwood Hwy, San Rafael, CA 94903 (415) 479-0110 miketestaplumbing.com

Educates customers

Transparent pricing

Great customer service

Services Offered

Emergency calls
Toilets
Backflow testing
Water heater
Inspections
Remodeling
Drains
Camera inspections
Sewers
Residential plumbing
Gas pipes

Bay Area Plumbing

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335 14th Ave, San Francisco, CA 94118 (415) 668-8000 bayareaplumbing.org

Transparent pricing

Free quotes

Great customer service

Timely service

Educates customers

Services Offered

Sewers
Residential plumbing
Water heater
Gas pipes
Emergency calls
Drains
Garbage disposal
Toilets
Remodeling
Water treatment

A.B. Plumbing - Sewer Line Replacement

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3570 Sacramento St, San Francisco, CA 94115 (415) 326-4440 ab-plumbing.com

Free quotes

Great customer service

Transparent pricing

Educates customers

Services Offered

Garbage disposal
Inspections
Residential plumbing
Septic tank
Remodeling
Drains
Sewers
Toilets
Camera inspections
Emergency calls
Water heater

Grier Argall Plumbing Inc.

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34 De Luca Pl # A, San Rafael, CA 94901 (415) 457-0748 grierargall.com

Educates customers

Transparent pricing

Great customer service

Services Offered

Camera inspections
Repiping
Remodeling
Inspections
Residential plumbing
Water heater
Toilets
Backflow testing
Emergency calls
Sewers
Drains

Backflow Plumbing

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5635 Anza St #3, San Francisco, CA 94121 (415) 913-8941 1backflow.com

Free quotes

Great customer service

Transparent pricing

Educates customers

Services Offered

Sewers
Residential plumbing
Backflow testing
Toilets
Drains
Gas pipes
Leak repair
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on plumbers to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

What Services Do Mill Valley Plumbing Companies Offer?

Leak Repair

Leaky pipes lead to higher water bills, and not fixing them promptly can damage the surrounding area. Professional plumbers have the tools and knowledge to pinpoint leak locations and repair them at their sources.

Clog Repair

Congested pipes and drains may lead to flooding, damage, and backflow. Area plumbers can remove obstructions and give advice for averting them later on.

Pipe Replacement

Pipes become damaged over time. If they show signs of leakage or warping, they might need replacement. A plumbing expert in Mill Valley can assess your pipes' health and swap out worn and broken components with new, resilient materials.

Fixture Installation

Fixtures like showers, sinks, bathtubs, and toilets work less effectively and efficiently with time, and they must be replaced as they age. Homeowners may also decide to put in new fixtures during a renovation project. No matter your needs and preferences, a professional plumber can order and install new fixtures for you.

Gas Repair

In addition to typical plumbing services, some professionals are trained to fix home gas leaks from appliances such as ovens and radiators. If you notice the scent of a gas leak, exit your house right away and notify your utility provider.

Annual Inspections

Your plumbing undergoes significant daily wear and tear, so it's important to schedule periodic inspections. Getting a yearly inspection can help detect problems before they turn severe, saving you money on repairs in the long run.

Emergency Services

Plumbers provide immediate services to handle backfilling toilets, burst pipes, and other urgent issues. While emergency repair bills tend to be more expensive than planned ones, immediate action is often essential to mitigate further home damage.

Cost of Plumbing Services in Mill Valley

Mill Valley plumbers typically charge between $125 and $415 for installation and repair work. Emergency jobs will almost always incur additional charges. Use the table below for specific cost data on common plumbing services in Mill Valley.

ProjectEstimated Cost
Clog and drain clearing$85 - $426
Leak repair$128 - $383
Burst pipe repair$883 - $3,533
Faucet installation$139 - $555
Toilet installation$294 - $785
Pipe rerouting$648 - $1,389
Main water line repair$449 - $3,593
Water heater repair$132 - $662
Water heater installation$785 - $1,962
Water softener installation$202 - $505

Check Licensing and Insurance

The California Contractors State License Board issues state C-36 licenses to Mill Valley plumbers. Business owners must meet all experience and exam requirements. You should also choose a bonded and insured plumber to protect yourself financially if accidental damage occurs.

Check Union Status

You don't necessarily have to hire a union plumber, but choosing one means that your technicians will follow stronger training and vetting standards.

Assess Their Experience

Choose a plumber with a long track record of local work. Technicians based in Mill Valley will often be more familiar with residents' most common plumbing complaints. More experience also means the team could remedy your situation faster.

Read Customer Reviews

Read through customer reviews on sites like the Better Business Bureau (BBB) and Google Reviews. Pay attention to what past clients have said about a plumber's customer service and workmanship.

Compare Multiple Quotes

Make an informed decision by getting multiple different quotes for your project. Each estimate should be based on local market rates, not too high or too low. If an offered price looks unrealistically low, it probably is.

Ask About Warranties and Guarantees

A confident plumbing company will stand behind its work with guarantees. Ask each company how long its warranty lasts and what it covers. If you're having new fixtures or appliances installed, you should also verify what manufacturer warranties apply.

Frequently Asked Questions About Plumbing in Mill Valley, CA

A few common plumbing problems that professionals can fix include:

  • Clogged drains
  • Lack of hot water
  • Low water pressure
  • Leaks and water damage
  • Running toilets
  • Septic and sewer line issues

You're not expected to tip your plumber. You may offer a tip for excellent service, but first, make sure the company you've chosen doesn't block its employees from accepting them.

You might be able to unclog a drain or fix a running toilet on your own. However, if the issue persists or if you can't identify the cause, it's best to seek a professional plumber's help. Plumbing problems could lead to substantial issues if ignored or addressed improperly.

Most Mill Valley plumbers offer scheduling via phone and the web. If you're facing a plumbing emergency, we recommend calling the company directly.

Yes. If a plumber's professional license allows it, they can repair leaky, unusual-sounding, or out-of-order water heaters. We also recommend getting an inspection if your water heater is more than 8–12 years old, as malfunctions are more likely to occur with age. Water heater components can pose surface temperature and fire hazards, so we recommend leaving repairs to your plumber for your safety.

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