GP Plumbing is an outstanding company! From the initial phone contact to speak with GP to set up an appointment, to the follow-up phone call after service, Crystal was friendly, understanding, and…

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M.O.

M.O.12/06/2025

I needed to have a new water line installed along with changing out four brass water valves that were corroded and I could not close them. After speaking with Alysa in the office, who is very…

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J.T.

J.T.12/30/2025

We needed a warranty replacement of our water heater in a vacation home. Francisco with GP Plumbing handled the install and was very professional and swapped it out in no time! We let him know we…

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A.C.

A.C.10/12/2020

We have an ongoing AC maintenance agreement with GP Plumbing for a couple of years now and could not be happier. Annual maintenance checks are always done on time and the staff is very friendly and…

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Backflow Testing in Cape Coral, Florida

GP Plumbing provides professional backflow prevention testing services in Cape Coral, Florida. 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, emergency service, serving both residential and commercial properties throughout the Cape Coral 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,GP Plumbing can help. Homeowners, HOAs, and property managers can request a free quote using the form on this page.