What a phenomenal experience during one of the most stressful situations. Chris is an absolute rockstar…. He was fast, so courteous, explained everything, showed me every step of the way what he was…

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C.M.

C.M.08/06/2025

Very efficient was here even before they said they would be here between 2-6pm. I was impressed also the charge was way below many plumbing companies I check in Boise to come to Horseshoe Bend. The…

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A.B.

A.B.01/27/2025

We had an interesting start to our weekend when our [outside] waterline busted on Friday afternoon. We scrambled to find different plumbers who could respond to an emergency situation let alone…

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M.M.

M.M.03/12/2025

Our first dishwasher started acting up about a month ago and we needed a plumber to assess why it was not draining like it should. After all the home remedy suggested fixes, we finally called Proline…

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Backflow Testing in Portland, Oregon

Proline Plumbing provides professional backflow prevention testing services in Portland, Oregon. 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, free estimates, backflow testing, serving both residential and commercial properties throughout the Portland 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,Proline Plumbing can help. Homeowners, HOAs, and property managers can request a free quote using the form on this page.