Backflow Testing Services in Gilbert, Arizona
Finding a reliable backflow testing professional in Gilbert, Arizona is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 35 backflow testing companies serving Gilbert and surrounding communities including Chandler, Mesa, Tempe.
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 Gilbert area.
Most water authorities in Arizona 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 Gilbert 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.
12 listed providers

Rainwater Plumbing and HVAC
Testing Verified · Chandler, AZ · 3 mi
“I had a scary event at my home with a gas leak resulting in my gas been turned off. A plumber was recommended. A call was made to Rainwater Plumbing and Walter responded and within two hours he was…”
Read more on Google4 Peaks Fire Protection LLC
Testing Verified · Mesa, AZ · 6 mi
“I had a great experience with Tyler and 4 Peaks Fire. The city of Scottsdale required my to add a backflow prevention unit on my business. 4 Peaks was responsive, answered questions, and was inline…”
Read more on GoogleContractor Fire Protection, Inc.
Testing Verified · Mesa, AZ · 7 mi
“I hired CFP to do a small project to ensure my fire sprinkler system was up to code for my new business. Even though my project was relatively small, the CFP team was responsive and professional…”
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OX Plumbing Services LLC
Mesa, AZ · 8 mi
“I had Ox Plumbing re-pipe my entire 1420 square-foot home . This was a large project! Erik at OX plumbing was absolutely exceptional! I don’t feel like it’s often where you work with a company that…”
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City Wide Plumbing & Service Co.
Testing Verified · Tempe, AZ · 9 mi
“Dave was the technician that serviced our problem . The gas had been turned off and locked out by South West Gas Because of a minor electrical fire . Sw Gas required a pressure test on the gas line…”
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City Wide Backflow Prevention Co
Testing Verified · Tempe, AZ · 9 mi
“They were quick and affordable. They also did a terrific job.”
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ABC Water Works, Inc
No reviews yet
Testing Verified · Mesa, AZ · 10 mi
Fireshield Services, LLC
Mesa, AZ · 11 mi
“There is no other team in the valley that I trust more with fire safety and backflow components than Fireshield! Over the years, I have managed a diverse portfolio of multifamily and residential…”
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ABC Water Works Inc
Testing Verified · Phoenix, AZ · 11 mi
“I work for an HOA management company and regularly use ABC Water Works for backflow inspections and repairs. The staff is always friendly and professional. They communicate clearly on the status of…”
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Metering Services Inc
Testing Verified · Tempe, AZ · 12 mi
“We are a Taco Bell franchise with 14 stores. Metering Services has been one of those vendors who is consistently 100% on top of every need we have. Any time I get a letter from one of the cities that…”
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Option One Plumbing
Testing Verified · Phoenix, AZ · 13 mi

Santan Backflow Testing
No reviews yet
San Tan Valley, AZ · 20 mi
Helpful resources
Frequently Asked Questions About Backflow Testing in Gilbert
Many certified backflow testers in Gilbert 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 Gilbert, Arizona 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 Gilbert 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 Gilbert 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.
Cross-connection control prevents contaminated water from flowing backwards into the clean water supply. Backflow prevention devices are installed at cross-connection points to protect public health. Regular testing ensures these devices function properly. Many municipalities in Arizona require cross-connection control programs for commercial properties and irrigation systems.
Many municipalities in Arizona require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Gilbert can confirm the exact testing schedule and deadlines for your area. Failing to test on time may result in fines or water service interruption.
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