FBT

Backflow Testing Services in Upland, California

Finding a reliable backflow testing professional in Upland, California is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 21 backflow testing companies serving Upland and surrounding communities including Ontario, Montclair, Rancho Cucamonga.

Whether you need annual backflow testing, RPZ (Reduced Pressure Zone) valve inspection, or cross-connection control services, the providers listed below offer professional testing services for both residential and commercial properties throughout the Upland area.

Most water authorities in California require annual testing and reporting for all backflow prevention assemblies. A certified backflow tester will inspect your devices, perform the required differential pressure tests, and file compliance reports with your local water authority.

Browse the listings below to compare ratings, read customer reviews, and contact backflow testing professionals near Upland directly. Use the filters above to narrow results by rating, review count, or specific services like RPZ testing and preventer installation.

Data source: Google Maps. Always verify licensing with your local water authority.

7 listed providers

Services:
Hydro Backflow backflow testing
14 mi

Hydro Backflow

5.0(2)

West Covina, CA · 14 mi

Annual Certification FilingCommercialResidential
Website
Amazing Force Plumbing & Backflow LLC backflow testing
15 mi

Amazing Force Plumbing & Backflow LLC

5.0(322)

Corona, CA · 15 mi

Backflow TestingPreventer InstallationPreventer Repair

Where do I begin......... Amazing Force Plumbing has provided excellent service for my rental properties as well as my home for the last several years. Kenneth is the owner and he takes pride in…

Read more on Google
Website
Pro Backflow Testing Services backflow testing
Testing Verified
16 mi

Pro Backflow Testing Services

5.0(4)

Testing Verified · Rialto, CA · 16 mi

Backflow Testing
Website
NIR Plumbing & Air Conditioning backflow testing
Testing Verified
17 mi

NIR Plumbing & Air Conditioning

4.8(161)

Testing Verified · Riverside, CA · 17 mi

Backflow Testing
Website
Jim & Sons Plumbing & Rooter backflow testing
Testing Verified
17 mi

Jim & Sons Plumbing & Rooter

5.0(760)

Testing Verified · Riverside, CA · 17 mi

Backflow TestingCommercialEmergency Service
Website
Los Angeles Plumbing & Backflow backflow testing
Testing Verified
20 mi

Los Angeles Plumbing & Backflow

5.0(3)

Testing Verified · Irwindale, CA · 20 mi

Backflow TestingPreventer InstallationPreventer Repair
Website

Frequently Asked Questions About Backflow Testing in Upland

RPZ (Reduced Pressure Zone) testing verifies that your reduced pressure backflow preventer is functioning correctly to protect your water supply from contamination. A certified tester uses specialized gauges to measure differential pressures across the assembly. RPZ devices are typically required for high-hazard connections.

Most jurisdictions in California require backflow testers to hold a current certification from an approved training program, typically involving classroom instruction, a hands-on practical exam, and continuing education credits. Some municipalities maintain their own approved-tester lists. Always verify certification before hiring.

Residential tests typically involve a single PVB or DCVA device and are quicker to complete. Commercial properties in Upland often have multiple assemblies, RPZ devices, and fire-line backflow preventers that require more time and specialized equipment. Pricing and scheduling may differ for each type.

Many certified backflow testers in Upland will file test reports directly with your local water authority or municipality on your behalf. Confirm this with your provider before scheduling. Some jurisdictions require the property owner to submit reports, while others accept direct submissions from the tester.

Backflow testing in Upland, California typically costs between $50 and $200 per device, depending on the type of backflow preventer and the complexity of the installation. RPZ assemblies generally cost more to test than double check valve assemblies. Contact providers listed above for current pricing in the Upland area.

For Providers

Own a Backflow Testing Business?

Claim your listing to manage your profile, track leads, and get premium placement.