How Can We Help?
From everyday service calls to complex construction needs, our team is ready to help.
Need a Plumber?
Dependable residential and commercial plumbing service for homes, property managers and businesses.
Drain cleaning
Water heater repair and replacement
Tankless water heater maintenance
Pipe and leak repairs
Camera inspections
General plumbing service and repair
Planning or Managing a Project?
Experienced plumbing teams for multifamily, multi-story, commercial, residential and specialized construction projects.
Multifamily housing
Commercial buildings
Residential developments
Assisted living and memory care
Hotels and student housing
Remodels and renovations
Northern California Plumbing Built on Experience and Trust
Commercial, residential, new construction, remodel, service and repair. Serving Northern California since 2004 with more than 40 years of industry experience.
Professional Plumbing Service Backed by Construction-Level Experience
Our Service and Repair Division brings the same workmanship, experience and accountability that have built our reputation with contractors, developers and property managers throughout Northern California.
Professional Plumbing Service
Backed by Construction-Level
Experience
Our team brings construction knowledge, practical experience and the ability to solve plumbing problems correctly the first time.
Drain Cleaning
Tankless Water Heater
Water Heater Repair
Water Heater Replacement
Pipe and Leak Repair
Commercial Plumbing
Fixture Repair & Replacement
General Plumbing Service
CURRENT SPECIAL
Tankless Water Heater Flushing
$225
Routine flushing helps remove mineral buildup, maintain efficiency and extend
the life of your tankless water heater.
Residential tankless water heaters. Service area and conditions may apply.
Experience You Can Trust. Work We Stand Behind.
40+ Years of Industry Experience
Deep plumbing and construction knowledge across residential service and complex commercial projects.
Serving Northern California Since 2004
A local company built through repeat clients, referrals and lasting relationships.
Commercial and Residential Capabilities
One experienced company for service calls, remodels, residential new construction and major commercial projects.
Experienced Field Professionals
Skilled plumbers, supervisors and project teams supported by proven systems and strong communication.
Relationships That Last
Trusted by homeowners, general contractors, developers, property managers and organizations throughout Northern California.
Real People. Real Experience. A Company That Stands Behind Its Work.
When you call Custom Plumbing, you are reaching a real local team. Our office staff, field professionals and leadership work together to make sure customers are heard, jobs are handled properly and questions are answered.
The People Who Answer Your Call
The Professionals Who Arrive at Your Property
The Leadership Behind the Company
Plumbing Solutions for Homes, Properties and Major Projects
Homeowners
Dependable service and repair for your home’s plumbing systems.
Property Managers
Responsive plumbing support for your managed properties.
HOAs
Coordinated plumbing solutions for community associations.
General Contractors
A reliable plumbing partner for your construction projects.
Developers
Scalable plumbing expertise for new developments.
Commercial Property Owners
Maintenance and repair for commercial facilities.
Multifamily Housing
Specialized plumbing for apartments and condos.
Senior Living Communities
Careful, compliant plumbing for care facilities.
Experience Built Through Real Projects
A showcase of our extensive commercial and residential plumbing expertise.
Multifamily
Mahonia Glen
Santa Rosa, CA
Complete plumbing scope for new multifamily housing development.
Senior Living
Clearwater
Rohnert Park, CA
Specialized plumbing systems for assisted living facility.
Commercial
Valle Verde
Napa, CA
Large-scale commercial plumbing installation and coordination.
What Our Customers and Construction Partners Say
HOMEOWNER & SERVICE CUSTOMER
★★★★★
Barbara Eisenstein
Residential Owner
HOMEOWNER & SERVICE CUSTOMER
★★★★★
Jason Whittington
GB Builders Inc.
Family Owned. Relationship Driven.
Built to Last.
Custom Plumbing of Northern California was founded in 2004 by experienced construction and plumbing professionals who believed quality work and strong relationships should go hand in hand.
More than two decades later, Custom Plumbing continues to serve contractors, developers, property managers, businesses and homeowners with dependable plumbing solutions and a commitment to standing behind its work.
Today, the company combines more than 40 years of industry experience with commercial, residential, new construction, remodel, service and repair capabilities
Proudly Serving Northern California
Service and Repair priority areas: Sonoma County, Napa County and Marin County.
Including Santa Rosa, Windsor, Rohnert Park, Cotati, Sebastopol, Petaluma, Healdsburg, Sonoma, Napa, Novato, San Rafael, and the surrounding communities
Construction project service areas may extend beyond the residential and commercial service call area.
Need Plumbing Service?
Tell us what is happening and our team will help you determine the next step.
Need Plumbing Service?
Send us your project information, bid invitation, plans or scheduling details.
Custom Plumbing
Family-owned plumbing service for Northern California homes, businesses and construction projects.
Service Area
Sonoma County
Napa County
Marin County
Lake County
© 2026 Custom Plumbing of Northern California. All rights reserved.