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At West Coast Plumbing, we provide professional repiping services throughout Sonoma County and Marin County, replacing outdated plumbing systems with modern, long-lasting materials.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.
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.
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.
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
Experienced professionals – Skilled in whole-house and targeted repiping.
Quality materials – Using PEX and copper piping for durability.
Upfront pricing – Clear estimates with no surprises.
Minimal disruption – Efficient work to keep your home comfortable during the project.
We’re proud to be the plumber Sonoma and Marin County families recommend to their friends and neighbors.
A little thank-you for trusting your home to West Coast Plumbing. Local, reliable, and ready when you need us.
We’re proud to be the plumber Sonoma and Marin County families recommend to their friends and neighbors.
