(707) 338-8976
Lic # 1147736
About West Coast Water
Founded in 2025, West Coast Water is a California-licensed plumbing contractor specializing in exterior plumbing systems, backflow testing and repair, and large water meter services. We serve residential, commercial, and municipal clients throughout Napa and the surrounding areas, delivering reliable solutions that protect water systems and ensure regulatory compliance.
Our company was built on a simple but powerful principle: deliver exceptional workmanship while providing honest, dependable customer service. We understand that exterior plumbing systems play a critical role in protecting public health, conserving water, and maintaining uninterrupted service. That’s why we approach every project with precision, accountability, and attention to detail.
At West Coast Water, our team brings hands-on experience and up-to-date knowledge of California codes and local water authority requirements. From routine backflow testing to complex repairs and meter evaluations, we focus on doing the job right the first time—minimizing downtime and preventing costly issues down the road.
As a locally owned and operated company, we take pride in serving the Napa community we call home. Our goal is to build long-term relationships with our clients through clear communication, transparent pricing, and consistent, high-quality work. When you partner with West Coast Water, you can trust that your water systems are in capable, professional hands.
Our Process
At West Coast Water, we follow a clear and efficient process to ensure every project is completed accurately, safely, and in compliance with local and state regulations.
Assessment & Scheduling
We start by understanding your needs, reviewing site conditions, and scheduling service at a time that minimizes disruption to your property or operations.
On-Site Inspection & Testing
Our licensed technicians perform thorough inspections and required testing to identify issues, ensure compliance, and determine the most effective solution.
Professional Service & Repair
We complete all work with precision and care - whether it's testing, repair, or replacement - using industry best practices and quality materials.
Documentation & Follow up
After service is complete, we provide clear documentation, test reports, and next step recommendations to keep your system running efficiently.
Our Quality Guarantee
Our team is committed to quality workmanship, honest communication, and reliable service, ensuring each project is completed to the highest standards. At West Coast Water, customer satisfaction is not just a goal - it's the foundation of everything we do.