Backflow Testing Services in Surprise, Arizona
Finding a reliable backflow testing professional in Surprise, Arizona is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 16 backflow testing companies serving Surprise and surrounding communities including El Mirage, Sun City, Peoria.
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 Surprise 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 Surprise 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.
16 listed providers
Reddi Services
Testing Verified · Peoria, AZ · 5 mi
“We have used Reddi Services for HVAC and plumbing, since we bought our house back in 2018. Thanksgiving 2025, I went to put groceries in our garage freezer and found our hot water tank was leaking…”
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F6 Backflow Services,LLC
Testing Verified · Surprise, AZ · 5 mi
“What can I say, I couldn’t ask for a better experience. I had a backflow specialist that had been helping us out for several years, but he then retired. I was then quoted a ridiculously high amount…”
Read more on GoogleThe Plumber Guy
Peoria, AZ · 5 mi
“I had an emergency plumbing situation shortly after purchasing my condo, and I can’t say enough good things about the entire team. Roxy was calm, professional, and incredibly helpful in coordinating…”
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Beebe Plumbing
Testing Verified · Peoria, AZ · 6 mi
“Referred to me by another customer. Called them out for a for a major Gas Line install. They tapped into existing gas lines set for my furnace in order to connect a gas range, a second line for a gas…”
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Plumbing Masters
Peoria, AZ · 6 mi
“Last Saturday, December 13, 2025 my water heater went out and I found this company online. It had a great star rating, and I'm happy to say they live by this rating. A person by the name of: Levi…”
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Certizona Fire & Safety
Testing Verified · Peoria, AZ · 6 mi
“Great company. We originally had a company that will remain unnamed (Starts with a "Cin" and ends with a "Tas") that we had issues getting service from, was always over charged and didn't always do…”
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Smiley Plumbing
Testing Verified · Peoria, AZ · 8 mi
“Found out we had a leak after traveling. Came the same day we called and was able to tell us what was wrong and fix it same day. He was incredibly friendly, gave great advice about the leak…”
Read more on GoogleA P Fire Protection
Glendale, AZ · 9 mi
“Myles was the sales rep I worked with to make the appointments and get quotes for replacing a sprinkler head as well as servicing my fire extinguishers. He was very professional, prompt and…”
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Sprinkler Doctors
Glendale, AZ · 9 mi
“My drip system was suffering from an inoperative zone and as a result I lost one tree and nearly lost two others. I initially called a competitor and after a $90 service call the technician quoted me…”
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Diamondback Plumbing
Testing Verified · Phoenix, AZ · 13 mi
Somers Plumbers - Phoenix Plumbing Company
Phoenix, AZ · 16 mi
Helpful resources
Frequently Asked Questions About Backflow Testing in Surprise
Most jurisdictions in Arizona 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 Surprise 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 Surprise 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 Surprise, 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 Surprise 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 Surprise 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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