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Backflow Testing Services in Chino, California

Finding a reliable backflow testing professional in Chino, California is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 23 backflow testing companies serving Chino and surrounding communities including Ontario, Chino Hills, Montclair.

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 Chino 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 Chino 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.

23 listed providers

Services:
Backflow Parts USA backflow testing
7 mi

Backflow Parts USA

4.8(9)

Rancho Cucamonga, CA · 7 mi

Website
All City Plumbing, Air & Electrical backflow testing
7 mi

All City Plumbing, Air & Electrical

No reviews yet

Rancho Cucamonga, CA · 7 mi

Preventer RepairCommercial
Website
First Class Plumbing & AC backflow testing
9 mi

First Class Plumbing & AC

No reviews yet

Rancho Cucamonga, CA · 9 mi

CommercialEmergency Service
Website
Amazing Force Plumbing & Backflow LLC backflow testing
12 mi

Amazing Force Plumbing & Backflow LLC

5.0(322)

Corona, CA · 12 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
Hydro Backflow backflow testing
12 mi

Hydro Backflow

5.0(2)

West Covina, CA · 12 mi

Annual Certification FilingCommercialResidential
Website
All City Plumbing, Air & Electrical backflow testing
12 mi

All City Plumbing, Air & Electrical

5.0(1,900)

Anaheim, CA · 12 mi

Preventer RepairCommercial
Website
E.R. Block Plumbing Inc. backflow testing
13 mi

E.R. Block Plumbing Inc.

No reviews yet

Riverside, CA · 13 mi

Preventer InstallationPreventer RepairCommercial
Website
Southern California Backflow backflow testing
Testing Verified
13 mi

Southern California Backflow

5.0(5)

Testing Verified · Riverside, CA · 13 mi

Backflow TestingPreventer InstallationPreventer Repair
Website
Mr. Rooter Plumbing of The Inland Empire backflow testing
15 mi

Mr. Rooter Plumbing of The Inland Empire

4.8(589)

Fontana, CA · 15 mi

Backflow Testing

I recently had a shower valve body replacement done by Hector from Mr. Rooter, and the experience was outstanding. The original valve was seized, and a simple cartridge replacement wasn’t possible…

Read more on Google
Website
Campbell Family Plumbing & Electric backflow testing
15 mi

Campbell Family Plumbing & Electric

4.9(87)

Riverside, CA · 15 mi

CommercialEmergency ServiceSame Day Service
Website
Jim & Sons Plumbing & Rooter backflow testing
Testing Verified
16 mi

Jim & Sons Plumbing & Rooter

5.0(760)

Testing Verified · Riverside, CA · 16 mi

Backflow TestingCommercialEmergency Service
Website
Righty Tighty Plumbing Inc. backflow testing
16 mi

Righty Tighty Plumbing Inc.

No reviews yet

Riverside, CA · 16 mi

CommercialResidential
Website
First Class Plumbing & AC backflow testing
16 mi

First Class Plumbing & AC

4.9(810)

Riverside, CA · 16 mi

CommercialEmergency Service
Website
Roto-Rooter Plumbing & Water Cleanup backflow testing
18 mi

Roto-Rooter Plumbing & Water Cleanup

No reviews yet

Riverside, CA · 18 mi

CommercialResidentialEmergency Service
Website
NIR Plumbing & Air Conditioning backflow testing
Testing Verified
18 mi

NIR Plumbing & Air Conditioning

4.8(161)

Testing Verified · Riverside, CA · 18 mi

Backflow Testing
Website
Los Angeles Plumbing & Backflow backflow testing
Testing Verified
18 mi

Los Angeles Plumbing & Backflow

5.0(3)

Testing Verified · Irwindale, CA · 18 mi

Backflow TestingPreventer InstallationPreventer Repair
Website
Prevent Backflow & Plumbing Inc. backflow testing
Testing Verified
18 mi

Prevent Backflow & Plumbing Inc.

No reviews yet

Testing Verified · Anaheim, CA · 18 mi

Backflow TestingEmergency Service
Website
Rossman Plumbing backflow testing
18 mi

Rossman Plumbing

4.7(148)

Riverside, CA · 18 mi

Emergency Service
Website
Splash Plumbing backflow testing
Testing Verified
18 mi

Splash Plumbing

4.8(288)

Testing Verified · Anaheim, CA · 18 mi

Backflow TestingCommercialResidential
Website
CAL VALVE INC. backflow testing
Testing Verified
19 mi

CAL VALVE INC.

5.0(5)

Testing Verified · Anaheim, CA · 19 mi

Cross-Connection Control

Great location right off Anaheim blvd so it’s super convenient. They always have what I need especially when it comes to backflow parts that can be annoying to track down elsewhere. The staff are…

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

Pro Backflow Testing Services

5.0(4)

Testing Verified · Rialto, CA · 19 mi

Backflow Testing
Website
Ferguson Waterworks backflow testing
20 mi

Ferguson Waterworks

No reviews yet

Riverside, CA · 20 mi

ResidentialEmergency ServiceFree Estimates
Website

Frequently Asked Questions About Backflow Testing in Chino

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 Chino 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 Chino 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 Chino, 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 Chino area.

If a backflow preventer fails its annual test, the certified tester will diagnose the issue — often a worn check valve, damaged disc, or fouled relief valve. Most testers in Chino can repair the device on site and re-test it the same day. Your water authority may require the passing report within a set deadline.

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