Call around and get quotes. So you know you're making the right decision to SAVE YOUR $$$MONEY$$$ AND GO WITH GRAF! 5 stars for 5 things: 1. Graf came out within hours of our call for a basic service…

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R.S.

R.S.11/21/2025

I don’t write reviews often, but one was deserved today. My kitchen sink has been getting clogged every few months even though I don’t put a single thing down but water. I’ve had it “unclogged” by…

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S.P.

S.P.03/14/2024

I have been in construction for 20+years; in the beginning we jumped around from plumber to plumber for the best price. I quickly learned the lowest price isn't always the best, even if the work is…

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J.F.

J.F.10/01/2025

Not a good situation, waking up on Saturday morning and the toilet won't flush and something somewhere is plugged up. My first thought was to call Graf Plumbing. I have always had a great experience…

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Backflow Testing in Corpus Christi, Texas

Graf Plumbing Inc 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,Graf Plumbing Inc can help. Homeowners, HOAs, and property managers can request a free quote using the form on this page.