We had a difficult part to find for the plumbing for our clothes washing machine hot & cold water. When we called, Justin got back to us immediately & asked for pictures of the parts. They had the…

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B.S.

B.S.05/20/2025

This is our second time using custom filtration and plumbing. They are really great Plumbers. Johnny did our job today. He was fast, courteous and professional. He communicated extremely well exactly…

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G.12/23/2025

Started the conversation with the owner, and ended conversation with Jon and Juan. As a service/install technician myself, these guys went above and beyond expectations. At first it was a little…

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A.C.

A.C.01/30/2025

Great Customer service, quick response and charged a very reasonable rate. Emilio was friendly, knowledgeable and worked promptly to fix two non working toilets plus a garbage disposal and bathroom…

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Backflow Testing in Corpus Christi, Texas

Custom Filtration & Plumbing provides professional backflow prevention testing services in Corpus Christi, Texas. Annual backflow testing is required by most water utilities to protect public water supplies from contamination through cross-connection control compliance. Their services include backflow testing, serving both residential and commercial properties throughout the Corpus Christi 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,Custom Filtration & Plumbing can help. Homeowners, HOAs, and property managers can request a free quote using the form on this page.