Backflow Testing Services in Sharonville, Ohio
Finding a reliable backflow testing professional in Sharonville, Ohio is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 63 backflow testing companies serving Sharonville and surrounding communities including Mason, Fairfield, Hamilton.
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 Sharonville area.
Most water authorities in Ohio 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 Sharonville 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.
9 listed providers

Backflow Prevention Services
Testing Verified · Liberty Township, OH · 7 mi
“Another great experience in 2025 for a backflow test. Highly recommend Backflow Prevention Services. Responsive, reasonably priced and knowledgeable, Hired to test my irrigation backflow. Tim found a…”
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Queen City Mechanicals
Testing Verified · Cincinnati, OH · 8 mi

Nixco Plumbing Inc.
Testing Verified · Mason, OH · 9 mi
“❄️ When a snow emergency ends, and your week begins at 8:00 AM promptly, you need pros who show up on time and ready to make an impact! CHECK, CHECK, DONE! Nixco Plumbing scores! At 9 degrees and…”
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Archer Plumbing Co Inc
Cincinnati, OH · 9 mi
“Work Performed June 12, 2019 This was my first time looking for a truly real, qualified plumber, because I could no longer trust the work of pseudo plumbers. I had a busted indoor basement pipeline…”
Read more on GoogleCopper Pipe Plumbing Services Inc.
Testing Verified · Maineville, OH · 10 mi
The Lawn Management Sprinkler Company
Testing Verified · Cincinnati, OH · 11 mi
“I highly recommend Lawn Management Sprinkler Co. David Grant, Owner, came out to give me an estimate. He is extremely knowledgeable and easy to work with. Ashley and Danielle, who work in the office…”
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Ken Herbert Plumbing
Testing Verified · Cincinnati, OH · 12 mi
“Highly recommend Ken Herbert plumbing company. They helped us recover from a plumbing nightmare for a reasonable cost. All the staff was very efficient, friendly, knowledgeable, professional and…”
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TriState Water Works
Testing Verified · Cincinnati, OH · 15 mi
“Update 4/5/24 Tim restarted our irrigation for the year, after the winter season. Tim has been our go-to-sprinkler-irrigation-guy for 2 1/2 years. We literally wouldn’t use anyone else! He always…”
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Frequently Asked Questions About Backflow Testing in Sharonville
Most jurisdictions in Ohio 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 Sharonville 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 Sharonville 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 Sharonville, Ohio 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 Sharonville 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 Sharonville 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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