Providing the North Bay with Residential Plumbing Services For Over 20 Years.

At West Coast Plumbing, we keep your home running smoothly with reliable, straightforward plumbing solutions.

Edit Content

Residential Plumbing Services in Sonoma & Marin County

Every home relies on plumbing that works. When something breaks, slows down, or leaks, it disrupts your entire day. That’s why West Coast Plumbing provides comprehensive residential plumbing services for homeowners across Sonoma County and Marin County.

Whether it’s a dripping faucet, a broken water heater, or a full-home repiping project, our licensed plumbers handle every job with the same focus: reliable work, clear communication, and long-lasting results.

🚨 Why Choose West Coast Plumbing for Emergency Repairs?

  • Local Expertise – We live and work here, so we understand the plumbing systems and unique needs of Sonoma and Marin homes.

  • Honest Communication – You’ll always know what the issue is, what your options are, and what it will cost.

  • Quality Workmanship – From small fixes to major installs, we do it right the first time—no patch jobs.

  • Full-Service Team – One call covers everything from drains to water heaters to gas lines.

  • Clean & Respectful – We treat your home like our own, leaving it better than we found it.

Homeowners in Santa Rosa, Petaluma, Novato, San Rafael, Mill Valley, and beyond trust us with their plumbing because we make the process simple, stress-free, and reliable.

💧 Common Plumbing Emergencies We Handle

  • 24/7 Emergency Plumbing – Fast response for burst pipes, leaks, and urgent issues.

  • Drain Cleaning & Sewer Line Services – Clear clogs, repair lines, and replace when needed.

  • Water Heater Repair & Installation – Reliable hot water with traditional or tankless systems.

  • Gas Line Services – Safe installation and repair of home gas lines.

  • Pump Services – Sump and well pump installs, repairs, and maintenance.

  • Water Filtration Systems – Clean, fresh water for your whole home.

  • Fixture Repair & Replacement – Faucets, toilets, sinks, and more—fixed or upgraded.

  • Smart Plumbing Technology – Leak detection, Wi-Fi shutoff valves, and modern plumbing solutions.

  • Whole-Home Re-Piping – Replace old, failing pipes with durable new systems.

7r303242
7r303298

🌐 Serving Sonoma & Marin County Homes

Wherever you are in the North Bay, we’re your local plumber. Our service area includes:

  • Sonoma County: Santa Rosa, Petaluma, Rohnert Park, Windsor, Healdsburg, Cotati, Sebastopol

  • Marin County: San Rafael, Novato, Mill Valley, Corte Madera, Larkspur, Sausalito, Tiburon, Fairfax

When you need a plumber close by, West Coast Plumbing is never far.

First Time Customer $100 Discount

A little thank-you for trusting your home to West Coast Plumbing. Local, reliable, and ready when you need us.

Edit Content

24/7 Emergency Plumbing Services in Sonoma & Marin County

Plumbing emergencies never happen at a convenient time. A burst pipe at midnight. A toilet overflowing before guests arrive. A water heater giving out on a cold morning. When you need help fast, West Coast Plumbing is here for you with 24/7 emergency plumbing services across Sonoma County and Marin County.

We respond quickly, fix problems the right way, and restore peace of mind—any hour, any day.

🚨 Why Choose West Coast Plumbing for Emergency Repairs?

  • 24/7 Availability – Call us day or night, weekends and holidays included
  • Fast Response Times – Local plumbers based in Sonoma and Marin for quicker arrival.
  • Experienced Professionals – Licensed, insured, and trained to handle emergencies without cutting corners.
  • Clear Communication – Upfront estimates and honest advice before we start the work.
  • Work That Lasts – We don’t just stop the leak—we fix the problem at its source.

💧 Common Plumbing Emergencies We Handle

We’ve seen it all—and fixed it all. Our emergency plumbing services include:

  • Burst or leaking pipes

  • Overflowing toilets

  • Backed-up drains 

  • Broken water heaters (no hot water)

  • Gas line leaks or emergencies

  • Flooded basements and sump pump failure

  • Major fixture leaks (faucets, tubs, showers

No matter the size of the issue, our team arrives with the tools and expertise to solve it fast.

7r303242

First Time Customer $100 Discount

A little thank-you for trusting your home to West Coast Plumbing. Local, reliable, and ready when you need us.

Edit Content

Drain Cleaning & Drain Services in Sonoma & Marin County

A clogged drain might start small—a slow sink, a shower that backs up, or a toilet that struggles to flush. But left untreated, it can turn into a messy and expensive problem. At West Coast Plumbing, we provide professional drain cleaning and drain repair services throughout Sonoma County and Marin County to keep your home running smoothly.

We’re local, reliable, and available when you need us most.

💧 Why Call a Professional for Drain Problems?

While store-bought chemicals or plungers may seem like a quick fix, they rarely solve the problem for good—and often cause damage to your pipes. Our licensed plumbers use the right tools and techniques to:

  • Fully clear stubborn clogs

  • Remove buildup that slows water flow

  • Prevent future blockages

  • Protect your plumbing system from damage

From slow-moving sinks to full sewer backups, our team gets to the root of the problem—not just the symptoms.

🔧 Common Drain Issues We Fix

West Coast Plumbing handles all types of drain problems for homes in Sonoma and Marin:

  • Kitchen drains – Grease, food, and soap buildup causing slow sinks.

  • Bathroom drains – Hair, soap, and toothpaste clogs in sinks, tubs, and showers.

  • Toilet drains – Stubborn blockages and flushing problems.

  • Floor drains – Garage, basement, or laundry room drains backing up.

  • Main sewer line clogs – Tree roots, debris, or buildup blocking your home’s main line.

Whatever the issue, we’ll clear it quickly and completely.

Clogged And Leaky Sink Sewer
7r303298

📍 Local Drain Cleaning in Sonoma & Marin

Because we live and work here, we know the plumbing systems and common challenges across the North Bay. Whether you’re in:

  • Sonoma County: Santa Rosa, Petaluma, Rohnert Park, Windsor, Healdsburg, Sebastopol

  • Marin County: San Rafael, Novato, Mill Valley, Corte Madera, Larkspur, Sausalito, Fairfax, Tiburon

Our plumbers are nearby and ready to help.

First Time Customer $100 Discount

A little thank-you for trusting your home to West Coast Plumbing. Local, reliable, and ready when you need us.

Edit Content

Water Heater Repair & Installation in Sonoma & Marin County

Few things are more frustrating than turning on the tap and getting cold water. At West Coast Plumbing, we provide reliable water heater services throughout Sonoma County and Marin County—from fast repairs to full replacements and new installations.

Whether your current unit is leaking, not heating properly, or you’re ready to upgrade to a high-efficiency system, our team delivers the expertise and peace of mind you need.

💧Comprehensive Water Heater Services

We handle every type of water heater issue, including:

  • Water heater repair – Fixing leaks, faulty thermostats, burners, or electrical problems.

  • Water heater replacement – Swapping out old, inefficient units with reliable new models.

  • Tankless water heater installation – Endless hot water, better efficiency, and space savings.

  • Maintenance and inspections – Flushing tanks, checking anodes, and extending the lifespan of your system.

No matter the brand or type, we’ve got the tools and knowledge to keep hot water flowing in your home.

🔧 Signs You Need Water Heater Service

Call West Coast Plumbing if you notice:

  • No hot water or water that runs cold too quickly

  • Leaks around the base of the unit

  • Strange noises (popping, rumbling)

  • Rust-colored water

  • Rising energy bills from inefficiency

The sooner you call, the easier (and more affordable) the fix often is.

Water Heater
West Coast Plumbing Family

⚡ Why Upgrade to a Tankless Water Heater?

More homeowners in Sonoma and Marin are choosing tankless water heaters because they:

  • Deliver endless hot water on demand

  • Save space with compact wall-mounted units

  • Lower energy bills with high efficiency

  • Last longer than traditional tank models

We install and service the top brands, ensuring you get the right fit for your household.

First Time Customer $100 Discount

A little thank-you for trusting your home to West Coast Plumbing. Local, reliable, and ready when you need us.

Edit Content

Sewer Cleaning, Repair & Replacement in Sonoma & Marin County

Few plumbing problems are as disruptive—or as urgent—as a sewer line issue. Slow drains, foul odors, or sewage backing up in your home can bring everything to a halt. At West Coast Plumbing, we provide expert sewer cleaning, sewer repair, and sewer replacement services throughout Sonoma County and Marin County.

We use proven methods, advanced tools, and local expertise to restore your system quickly and prevent future problems.

🚨 Signs You May Have a Sewer Line Problem

Call us right away if you notice:

  • Multiple drains backing up at once

  • Gurgling sounds from toilets or drains

  • Sewage odors inside or outside the home

  • Wet spots or sinkholes in the yard

  • Slow draining tubs, showers, and sinks

Catching sewer issues early saves time, money, and stress.

💧 Our Sewer Services

We offer complete solutions for any sewer problem:

  • Sewer line cleaning – Hydro jetting and snaking to clear blockages from roots, grease, or buildup.

  • Sewer line inspection – Video camera technology to pinpoint problems without digging.

  • Sewer line repair – Fixing cracks, leaks, and localized damage.

  • Sewer line replacement – Full replacement of failing or collapsed lines, using modern, durable materials.

Whatever the issue, our goal is to provide a lasting fix—not just a temporary patch.

Pipes Running From A Concrete Wall And Buried In Dirt. Focus On Indoor Plumbing Infrastructure And Construction Elements. Horizontal Shot.
7r303298

📍 Local Sewer Experts in Sonoma & Marin

We know the unique plumbing challenges of North Bay homes and properties, from older clay sewer pipes in historic neighborhoods to newer systems impacted by tree roots. We proudly serve:

  • Sonoma County: Santa Rosa, Petaluma, Rohnert Park, Windsor, Cotati, Sebastopol, Healdsburg

  • Marin County: San Rafael, Novato, Mill Valley, Corte Madera, Larkspur, Sausalito, Tiburon, Fairfax

Wherever you are, our team is nearby and ready to restore your home’s plumbing system.

First Time Customer $100 Discount

A little thank-you for trusting your home to West Coast Plumbing. Local, reliable, and ready when you need us.

Edit Content

Gas Line Services in Sonoma & Marin County

When it comes to gas lines, safety comes first. Whether you need a new gas line installed, an old one repaired, or you suspect a leak, West Coast Plumbing provides professional gas line services across Sonoma County and Marin County.

Our licensed plumbers have the experience and training to handle gas systems safely and correctly—giving you confidence that your home and family are protected.

⚡ Our Gas Line Services

We provide complete solutions for gas line needs, including:

  • Gas line repair – Fixing leaks, cracks, or corrosion to restore safety.

  • Gas line installation – Adding new lines for stoves, dryers, fireplaces, outdoor kitchens, and more.

  • Gas leak detection – Using specialized tools to locate leaks quickly and accurately.

  • Gas line replacement – Upgrading aging or damaged lines with safe, durable materials.

  • Emergency gas line services – 24/7 response for urgent issues.

No shortcuts. No guesswork. Just careful, code-compliant service from licensed experts.

🚨 Signs You May Have a Gas Line Problem

Call us immediately if you notice:

  • The smell of sulfur or rotten eggs

  • Hissing sounds near appliances or lines

  • Dead or dying vegetation near buried lines

  • Dizziness, headaches, or nausea indoors (leave the home and call emergency services first)

Once the area is safe, we’ll inspect, repair, or replace your gas line quickly.

7r303206 (1)
7r303298

📍 Serving Sonoma & Marin County Homes

Because we live and work here, we know the plumbing systems and common challenges across the North Bay. Whether you’re in:

  • Sonoma County: Santa Rosa, Petaluma, Rohnert Park, Windsor, Healdsburg, Sebastopol

  • Marin County: San Rafael, Novato, Mill Valley, Corte Madera, Larkspur, Sausalito, Fairfax, Tiburon

Our plumbers are nearby and ready to help.

First Time Customer $100 Discount

A little thank-you for trusting your home to West Coast Plumbing. Local, reliable, and ready when you need us.

Edit Content

Pump Services in Sonoma & Marin County

When your pump fails, the risks are real—flooding, water damage, or even losing access to your water supply. At West Coast Plumbing, we provide expert pump services throughout Sonoma County and Marin County, including installation, repair, and maintenance for all types of home plumbing pumps.

From sump pumps that protect your basement to well pumps that keep water flowing, we keep your systems running reliably year-round.

💧 Our Pump Services

We handle all major residential pump needs, including:

  • Sump pump installation & repair – Protecting basements and crawl spaces from flooding.

  • Well pump services – Ensuring reliable access to fresh water.

  • Pump maintenance – Extending the life of your equipment with regular checkups.

  • Pump replacement – Swapping out failing or inefficient systems with modern, durable models.

  • Emergency pump repair – 24/7 response for urgent failures.

⚠️ Signs Your Pump Needs Service

Don’t wait for failure—call us if you notice:

  • Strange noises like grinding or rattling

  • The pump runs constantly or won’t turn on

  • Water pooling in basements or crawl spaces

  • Low water pressure (well pumps)

  • Frequent cycling on and off

Catching issues early often saves money and prevents major damage.

Fixture Installation
7r303298

📍 Local Pump Experts in Sonoma & Marin

Because we’re based here in the North Bay, we understand the unique needs of local homes—whether it’s protecting flood-prone basements in Petaluma or keeping well water flowing in Novato. We proudly serve:

  • Sonoma County: Santa Rosa, Petaluma, Rohnert Park, Windsor, Healdsburg, Sebastopol, Cotati

  • Marin County: San Rafael, Novato, Mill Valley, Corte Madera, Larkspur, Sausalito, Fairfax, Tiburon

First Time Customer $100 Discount

A little thank-you for trusting your home to West Coast Plumbing. Local, reliable, and ready when you need us.

Edit Content

Water Filtration Services in Sonoma & Marin County

Clean, safe water isn’t optional—it’s essential. At West Coast Plumbing, we provide professional water filtration services for homeowners in Sonoma County and Marin County, helping families enjoy better-tasting, healthier water every day.

From whole-home filtration systems to targeted drinking water solutions, we install and maintain systems that remove impurities and protect your household.

💧 Why Water Filtration Matters

Even treated municipal water can contain contaminants, minerals, or chemicals that affect taste, safety, and your plumbing system. A professional water filtration system helps:

  • Improve the taste and smell of drinking water

  • Reduce chlorine, sediments, and harmful contaminants

  • Protect appliances and plumbing from buildup and corrosion

  • Provide peace of mind knowing your family’s water is safe

⚙️ Our Water Filtration Services

We offer complete water quality solutions, including:

  • Whole-home water filtration systems – Clean water from every tap.

  • Drinking water purification systems – Advanced filters for safe, crisp water at your sink.

  • Water softeners – Combat hard water that causes buildup on fixtures and appliances.

  • Filter replacements & maintenance – Keep your system working at peak performance.

  • Custom water treatment solutions – Tailored to your home’s water source and needs.

🚨 Signs You Need a Water Filtration System

You may want to consider filtration if you notice:

  • Tap water tastes or smells off (metallic, chlorine, or musty odors)

  • White or chalky buildup on faucets and appliances

  • Dry skin, dull hair, or irritation after showers

  • Stains on sinks, tubs, or laundry from hard water

  • Concern about contaminants in well or city water

Plumber Replacing A Water Filter Under A Sink. Featuring Water Filtration And Plumbing Maintenance
7r303298

📍 Local Drain Cleaning in Sonoma & Marin

We understand the unique water challenges in Northern California. Whether you’re dealing with hard water in Petaluma, well water concerns in Novato, or simply want cleaner drinking water in Santa Rosa or San Rafael, West Coast Plumbing is your local water filtration expert.

We proudly serve:

  • Sonoma County: Santa Rosa, Petaluma, Rohnert Park, Windsor, Sebastopol, Healdsburg, Cotati

  • Marin County: San Rafael, Novato, Mill Valley, Corte Madera, Larkspur, Sausalito, Tiburon, Fairfax

First Time Customer $100 Discount

A little thank-you for trusting your home to West Coast Plumbing. Local, reliable, and ready when you need us.

Edit Content

Fixture Repair & Replacement in Sonoma & Marin County

Dripping faucets, running toilets, or outdated sinks aren’t just annoying—they waste water, raise utility bills, and take away from the comfort of your home. At West Coast Plumbing, we provide professional fixture repair and replacement services across Sonoma County and Marin County.

From quick fixes to full bathroom and kitchen upgrades, we keep your fixtures working smoothly and looking their best.

💧 Our Fixture Services

We handle a full range of plumbing fixtures, including:

  • Faucet repair & replacement – Stop leaks and upgrade to modern styles.

  • Toilet repair & installation – Fix running, clogged, or leaking toilets—or install efficient new models.

  • Sink repair & installation – Kitchen and bathroom sinks restored or replaced.

  • Shower & tub fixtures – Leaking valves, broken handles, or complete fixture upgrades.

  • Garbage disposal service – Repair or replace faulty disposals.

⚠️ When to Call for Fixture Service

Reach out to us if you notice:

  • Faucets that drip or won’t shut off fully

  • Toilets that constantly run or leak at the base

  • Rust, corrosion, or cracks in sinks or fixtures

  • Low water pressure from clogged aerators or valves

  • Outdated fixtures that waste water and money

Even small issues add up over time—repairing or replacing early saves you money in the long run.

Modern Sink Faucet Closeup
7r303298

📍 Fixture Repair & Replacement Across Sonoma & Marin

Our plumbers know the homes, styles, and needs of the North Bay. Whether you’re modernizing a bathroom in Santa Rosa, upgrading a kitchen in Novato, or fixing leaks in Mill Valley, we provide fixture services tailored to your home.

We proudly serve:

  • Sonoma County: Santa Rosa, Petaluma, Rohnert Park, Windsor, Sebastopol, Healdsburg, Cotati

  • Marin County: San Rafael, Novato, Mill Valley, Corte Madera, Larkspur, Sausalito, Tiburon, Fairfax

First Time Customer $100 Discount

A little thank-you for trusting your home to West Coast Plumbing. Local, reliable, and ready when you need us.

Edit Content

Plumbing Smart Home Technology in Sonoma & Marin County

Smart home technology isn’t just about lights and thermostats—it’s about protecting your home’s most important system: plumbing. At West Coast Plumbing, we install and maintain smart plumbing technology for homeowners across Sonoma County and Marin County, giving you more control, efficiency, and peace of mind.

From leak detection systems to Wi-Fi-enabled shutoff valves, we help you stay ahead of plumbing problems before they become disasters.

💧 Why Upgrade to Smart Plumbing?

Plumbing issues like hidden leaks or burst pipes can cause thousands in damage if they go unnoticed. Smart technology helps prevent these headaches by:

  • Detecting leaks early – Sensors alert you before small leaks become major damage.

  • Shutting off water automatically – Smart shutoff valves cut supply when problems are detected.

  • Monitoring usage – Track your household’s water use and spot inefficiencies.

  • Adding convenience – Control and monitor plumbing systems right from your phone.

  • Protecting your home – Ideal for vacation properties or second homes in Sonoma & Marin.

⚙️ Our Smart Plumbing Services

We install and support a wide range of systems, including:

  • Smart leak detection systems – Catch leaks under sinks, behind appliances, and in basements.

  • Automatic water shutoff valves – Protect your home from catastrophic water damage.

  • Wi-Fi connected water monitors – Track usage, detect issues, and control flow remotely.

  • Integration with smart home systems – Compatible with leading platforms like Alexa, Google, and Apple Home.

7r303472
7r303298

📍 Serving Smart Plumbing Needs in Sonoma & Marin

Whether you’re upgrading a home in Santa Rosa, protecting a rental property in Novato, or adding modern technology to a remodel in Mill Valley, our licensed plumbers provide expert installation and support.

We proudly serve:

  • Sonoma County: Santa Rosa, Petaluma, Rohnert Park, Windsor, Sebastopol, Healdsburg, Cotati

  • Marin County: San Rafael, Novato, Mill Valley, Corte Madera, Larkspur, Sausalito, Tiburon, Fairfax

First Time Customer $100 Discount

A little thank-you for trusting your home to West Coast Plumbing. Local, reliable, and ready when you need us.

Edit Content

Repiping Services in Sonoma & Marin County

Old or failing pipes don’t just cause leaks—they threaten your home’s water quality, efficiency, and safety. At West Coast Plumbing, we provide professional repiping services throughout Sonoma County and Marin County, replacing outdated plumbing systems with modern, long-lasting materials.

Whether you’re dealing with frequent leaks, discolored water, or an older home with corroded pipes, our team delivers solutions built to last for decades.

💧 Why Repiping Matters

Pipes don’t last forever. Over time, corrosion, mineral buildup, and wear can lead to:

  • Low water pressure

  • Leaks behind walls or under floors

  • Rusty or discolored water

  • Frequent plumbing repairs

  • Higher water bills from hidden leaks

Repiping restores your home’s plumbing system so it runs reliably, safely, and efficiently.

⚙️ Our Repiping Services

We provide tailored repiping solutions for every home:

  • Whole-house repiping – Replacing old systems with durable PEX or copper piping.

  • Partial repiping – Focused upgrades for problem areas.

  • Pipe replacement for remodels – Ensuring kitchens and bathrooms get a fresh start.

  • Emergency pipe replacement – Quick solutions for catastrophic pipe failures.

We handle everything from inspection and planning to installation and final testing—so you can relax knowing the job is done right.

Clogged And Leaky Sink Sewer
7r303298

📍 Serving Sonoma & Marin County Homes

We understand the unique needs of North Bay homes, from historic properties in Santa Rosa and San Rafael to newer builds in Petaluma, Novato, and Mill Valley.

We proudly serve:

  • Sonoma County: Santa Rosa, Petaluma, Rohnert Park, Windsor, Sebastopol, Healdsburg, Cotati

  • Marin County: San Rafael, Novato, Mill Valley, Corte Madera, Larkspur, Sausalito, Tiburon, Fairfax

First Time Customer $100 Discount

A little thank-you for trusting your home to West Coast Plumbing. Local, reliable, and ready when you need us.

FREQUENTLY ASKED Questions

Edit Content

We proudly serve homeowners and businesses across Sonoma County and Marin County, including Santa Rosa, Petaluma, Rohnert Park, Windsor, Novato, San Rafael, Mill Valley, and more. If you’re in the North Bay, we’re here to help.

Edit Content

Yes. We provide 24/7 emergency plumbing services throughout Sonoma and Marin. Whether it’s a burst pipe, a sewer backup, or a water heater failure, our team is ready to respond quickly—day or night.

Edit Content

Signs your home may need re-piping include frequent leaks, rusty or discolored water, low water pressure, or pipes that are over 40 years old. If you’re unsure, we can perform an inspection and give you honest recommendations.

Edit Content

Absolutely. We specialize in tankless water heater installation and service, giving you endless hot water, better efficiency, and more space in your home. We also repair and replace traditional tank-style heaters.

Edit Content

Yes. We work with homeowners and contractors on bathroom and kitchen remodels, handling everything from fixture installation to re-piping. Our team ensures your new space looks great and works flawlessly.

Edit Content

The cost depends on the type of service—simple repairs may be quick and affordable, while larger jobs like re-piping or sewer replacement require more planning. We always provide upfront, transparent estimates before work begins.

Edit Content

Yes. Every job we do is backed by our quality guarantee. We stand by our workmanship and materials, so you can feel confident knowing your plumbing system is in good hands.

Edit Content

In most cases, we can schedule a service call the same day or next day. For emergencies, we’re available 24/7 to provide immediate help.

ALL services

  • Residential Plumbing Services
  • 24/7 Emergency Response
  • Drain Services
  • Water Heater Services
  • Repiping
  • Faucets & Fixtures
  • Sewer Line Services
  • Request A Free Estimate