We experienced an emergency shower leak that affected our family room ceiling. Dupps promptly responded on a Saturday evening when other companies were only available Monday. Dan arrived on time and…

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J.S.

J.S.01/19/2026

Techs were extremely knowledgeable, polite, and efficient. They explained what needed to be done and answered all my questions and addressed all of my concerns. They also addressed the problem with…

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E.S.

E.S.05/23/2025

Dan was absolutely fantastic. Dupps Plumbing was able to schedule us quickly when we realized there was a problem. Dan was polite, knowledgeable, and willing to try whatever avenue we wanted to fix…

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R.S.

R.S.08/19/2025

As a home owner I have struggled to find a reliable and professional plumber. On my fourth try, I found a great one. Dupps Plumbing came into my home and replaced a faulty shower head. A few months…

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Backflow Testing in Hamilton, Ohio

Dupps Plumbing, Inc. provides professional backflow prevention testing services in Hamilton, Ohio. Annual backflow testing is required by most water utilities to protect public water supplies from contamination through cross-connection control compliance. Their services include commercial, residential, backflow testing, preventer installation, serving both residential and commercial properties throughout the Hamilton area.

Whether you need a routine RPZ valve inspection, backflow prevention device testing, or a certified tester to file compliance reports with your local water authority,Dupps Plumbing, Inc. can help. Homeowners, HOAs, and property managers can request a free quote using the form on this page.