"I had a leak under my house and Joe came out within hours. They replaced galvanized pipes within 24 hours, very professional."
Licensed & Insured — LIC # A A 1094194
Residential Backflow Preventer Installation
Certified backflow preventer installation to protect your home's water supply.
Licensed & insured — LIC # A 1094194
24/7 emergency response
Free estimates with transparent pricing
15+ years of experience
★★★★★ 5.0 on Google
★★★★★ 5.0 on Yelp
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Describe your project and we'll get back to you within 24 hours.
Backflow preventers protect your home's drinking water from contamination caused by reversed water flow — a serious public health concern. Total UC provides certified residential backflow preventer installation throughout the Bay Area, ensuring your system meets all California regulations and local water district requirements. Our licensed plumbers (LIC # A 1094194) have 15+ years of experience with backflow prevention for both residential and commercial properties.
Backflow Prevention Installation Services
We install all types of backflow prevention assemblies including pressure vacuum breakers (PVB), double check valve assemblies (DCVA), and reduced pressure zone (RPZ) devices. Our certified testers handle all required paperwork and report results directly to your local water authority so you stay in compliance without the hassle.
Protecting Bay Area Homes and Businesses
Serving Alameda County, San Mateo County, and Contra Costa County, Total UC is your trusted local source for backflow prevention, testing, and certification. Call 415-350-3363 for a free estimate on residential backflow preventer installation.
Customer Reviews
What Our Clients Say
Trusted by homeowners, developers, and municipalities across the Bay Area.
"Joe was friendly and professional. He fixed my water pressure problem within 20 minutes and followed up the next day."
"They completed sewer line replacement in one day at a reasonable price. Went above expectations with free prep work."
Our Process
How It Works
Three straightforward steps from first call to finished project.
Diagnose & Inspect
We assess the project site, review plans, and use camera inspection or utility locating to understand exactly what's underground before we touch anything.
Quote & Plan
You receive a clear, itemized estimate with no surprises. We handle permits, coordinate with utilities, and schedule the crew around your timeline.
Service & Cleanup
Our self-performing crews complete the work to spec and code. Site is restored and cleaned up — we don't leave until the job looks right.
Coverage
Service Areas
Serving 10+ Bay Area counties from our San Leandro headquarters.
Alameda County
San Leandro · Oakland · Fremont · Hayward · Berkeley + 8 more
Contra Costa County
Walnut Creek · Concord · Richmond · Antioch · Pittsburg + 5 more
San Francisco
San Francisco
San Mateo County
Daly City · San Mateo · Redwood City · South San Francisco · Burlingame + 4 more
Santa Clara County
San Jose · Santa Clara · Sunnyvale · Mountain View · Palo Alto + 5 more
Napa County
Napa · American Canyon · St. Helena · Calistoga
Solano County
Vallejo · Fairfield · Vacaville · Benicia · Suisun City + 1 more
Sonoma County
Santa Rosa · Petaluma · Rohnert Park · Windsor · Healdsburg + 1 more
Get Started Today
Ready to Get Started?
Whether it's an emergency repair or a planned infrastructure project, Total UC is ready to mobilize. Call us now or submit your project details for a free estimate.
LIC # A A 1094194 — Licensed, Bonded & Insured
Free Estimate
Request a Service
Describe your project and we'll get back to you within 24 hours.