Well like clockwork if it's a holiday and something is going to break it does it with the worst timing... Garbage disposal was leaking from the base so had to be replaced. While any other day that…

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L.L.

L.L.11/24/2025

We recently had the water lines completely replaced both inside our home and outside to the water meter. We've used Cal's before so we knew the professionalism they have, but that was previously a…

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H.B.

H.B.10/10/2025

Lucas came to my home for an initial visit after my kitchen sink backed up and my washing machine flooded. Cal’s Plumbing kept me updated on his arrival time, which I appreciated. When Lucas arrived…

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J.S.

J.S.11/21/2025

I can't say enough great things about Matt and the crew (Octavio and Shay) who came out to replace our gas line. After an unexpected gas leak in late October, I scheduled an estimate with Cal's…

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Backflow Testing in Tucson, Arizona

Cal's Plumbing Inc. provides professional backflow prevention testing services in Tucson, Arizona. 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, emergency service, preventer installation, serving both residential and commercial properties throughout the Tucson 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,Cal's Plumbing Inc. can help. Homeowners, HOAs, and property managers can request a free quote using the form on this page.