Backflow Prevention & Testing in Irvine
From the first call to the last detail, Native Plumbing LLC keeps Backflow Prevention & Testing in Irvine simple.

Backflow Prevention & Testing in Irvine
Backflow prevention involves installing and maintaining devices that stop contaminated water from reversing flow into your potable water supply. Property owners in Irvine need this service to comply with local health codes and ensure their drinking water remains safe from pollutants entering the system through cross-connections.
This service is crucial for protecting public health by preventing harmful contaminants from entering the municipal water supply. Neglecting backflow prevention can lead to serious health risks, costly fines from the Irvine Water Department, and potential liability for water contamination.
What's included in Backflow Prevention & Testing
Why Irvine chooses us
Right-sized service, so you never pay for more than you need.
Care for your property and your neighbours while we work.
A team that treats a small job with the same care as a big one.
One point of contact from quote to cleanup.
A crew that knows Irvine — its streets, access, and parking.
Quick turnaround — most Irvine jobs booked within a day or two.
Serving Irvine & nearby
Our crews work across Irvine and the surrounding San Diego area every week. From Heritage Community Park and Oak Creek Community Park to the quiet residential streets, Irvine property owners trust Native Plumbing LLC for Backflow Prevention & Testing done right the first time.
Serving Irvine and areas near Heritage Community Park, Oak Creek Community Park, Deerfield Community Park, Woodbridge Village Center.
Our process
Quick estimate
Share the details and get a fast, no-obligation quote.
Schedule it
Pick a time that works — evenings and weekends included.
Sit back
We deliver Backflow Prevention & Testing in Irvine and follow up after.
What affects the cost of Backflow Prevention & Testing
Frequently asked questions
How often is backflow testing required in Irvine?
In Irvine, backflow prevention assemblies are typically required to be tested and certified annually by a licensed backflow tester.
What is the difference between an RPZ and a PVB?
An RPZ (Reduced Pressure Zone) assembly is designed for high-hazard applications and can protect against both backpressure and backsiphonage, while a PVB (Pressure Vacuum Breaker) is for low-hazard applications and only protects against backsiphonage.
What happens if my backflow device fails its annual test?
If your backflow device fails its annual test, it will need to be repaired or replaced by a certified technician, and then retested to ensure it is functioning correctly and in compliance with Irvine regulations.
Do I need a backflow preventer for my irrigation system in Irvine?
Yes, in Irvine, irrigation systems are considered a potential cross-connection hazard and typically require an approved backflow prevention device, such as a PVB or RPZ, to protect the potable water supply.
Are you licensed and insured?
Native Plumbing LLC is fully licensed and insured for Backflow Prevention & Testing across San Diego.
Do you work weekends?
We keep flexible hours, including evenings and weekends where we can.
What San Diego homeowners say
“Called them for a late-night emergency and they were there within the hour. Lifesavers!”
“Friendly and professional from start to finish. They explained everything clearly and did a fantastic job.”
“Professional, courteous, and efficient. They fixed our leaky faucet quickly and didn't try to upsell us on anything we didn't need.”
We stand behind our work with a 100% satisfaction guarantee. If you're not happy, we'll make it right.