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 78 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.
78 listed providers

Mason Pro Services
Company · Chandler, AZ · 3 mi
“Mitchell and Masons Pro Services have always provided an amazing professional experience. Mitchell has done 4 different plumbing jobs in my house. All jobs were completed with excellence. Last year I…”
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Rainwater Plumbing and HVAC
Company · 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 GoogleThe Plumbing Plug
Company · Testing Verified · Chandler, AZ · 4 mi
“This guy l knows exactly what he is doing. I had a filter put in to my kitchen faucet and refrigerator. He had to drill a hole into my granite countertop, which is an entire island, and he did it…”
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Plumbers Near Me - Water Heater & Plumbing Services
Company · Chandler, AZ · 5 mi
“Plumbers Near Me, LLC sent someone over this morning to swap out my old water heater. The new unit was installed in a couple of hours without any hassle. They replaced the faulty thermostat and made…”
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Mr. Rooter Plumbing of Phoenix Arizona
Company · Mesa, AZ · 5 mi

Bleuwave Plumbing
Company · Chandler, AZ · 5 mi
“Should have hired them in the first place. Things to know: - My house was built and designed by the first owner of my property. - I purchased a “whole house filtration system” and I needed my house…”
Read more on GoogleClover Backflow LLC
Company · Testing Verified · Gilbert, AZ · 5 mi
“I must say Jake was great, we just closed and moved into our home on Saturday June 30th 2018, and we already had a water leak on Tuesday, OMG, it was our sprinkler system, I got Jake's number from my…”
Read more on Google4 Peaks Fire Protection LLC
Company · 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…”
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AZ Preferred Plumbing LLC
Company · Chandler, AZ · 6 mi
“My husband and I are very satisfied with their professional work. I had several companies check on our 13-year-old units for replacing its system. AZ Preferred Plumbing LLC was by far the best one…”
Read more on GoogleRoto-Rooter Plumbing & Water Cleanup
Company · Testing Verified · Chandler, AZ · 6 mi
“For my plumbing issue I was disappointed because my window was 10:39-12:39 and then I kept getting texts it would be later (good communication about being late). It was 4:15 before the plumber…”
Read more on GoogleContractor Fire Protection, Inc.
Company · 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…”
Read more on GoogleRoto-Rooter Plumbing & Water Cleanup
Company · Testing Verified · Mesa, AZ · 7 mi
“The best experience I've had with a plumber in the 23 years I've lived in Arizona. Casey was incredible from the moment he arrived. Kind, courteous, hard-working, and diligent. His dedication to…”
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Phoenix Water Softeners
Individual · Chandler, AZ · 7 mi
“I am incredibly satisfied with the water softening equipment I purchased. The system works flawlessly, significantly improving the water quality in my home. Installation was straightforward, thanks…”
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Jet’n Drains Plumbing & Rooter
Company · Mesa, AZ · 7 mi
“Egan was able to determine what was causing our toilets to clog and back up into our shower in a new house, provide us with very detailed reports, and very effective at communicating overall. They…”
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OX Plumbing Services LLC
Company · 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.
Company · 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
Company · Testing Verified · Tempe, AZ · 9 mi
“They were quick and affordable. They also did a terrific job.”
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Jimmy Joe's Plumbing
Company · Mesa, AZ · 9 mi
“I have had nothing but positive experiences with Jimmy Joe’s Plumbing. Tony came out initially to give us a quote on two projects. He was on time and explained options and the process. The estimate…”
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ABC Water Works, Inc
No reviews yet
Company · Testing Verified · Mesa, AZ · 10 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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