Backflow Preventer Testing in Centennial
Salem Plumbing brings dependable Backflow Preventer Testing to Centennial homes and businesses.

Backflow Preventer Testing in Centennial
Backflow Preventer Testing is a vital service to ensure that contaminated water does not flow back into your clean water supply, especially important in areas with older plumbing or well systems. Property owners need this testing annually to comply with Oregon plumbing codes and to prevent health hazards caused by backflow.
Neglecting backflow preventer testing can lead to contamination of the municipal or private water supply, posing health risks to residents. Failing to test and maintain these devices may result in costly fines and potential water service interruptions.
What's included in Backflow Preventer Testing
What you get
Flat rates you can plan around, with no surprise add-ons.
Clear scheduling with reminders, not guesswork.
One point of contact from quote to cleanup.
Honest advice, even when the answer is 'you don't need that.'
Follow-up after the job to make sure it's right.
A team that treats a small job with the same care as a big one.
Serving Centennial & nearby
Our crews work across Centennial and the surrounding Portland area every week. From Rocky Butte Park and Laurelhurst Park to the quiet residential streets, Centennial property owners trust Salem Plumbing for Backflow Preventer Testing done right the first time.
Serving Centennial and areas near Rocky Butte Park, Laurelhurst Park, Corbett, Ladd's Addition Historic District.
Our process
Quick estimate
Share the details and get a fast, no-obligation quote.
Schedule it
Pick a time that works — evenings and weekends included.
Sit back
We deliver Backflow Preventer Testing in Centennial and follow up after.
What affects the cost of Backflow Preventer Testing
Frequently asked questions
How often should my backflow preventer be tested?
Oregon code requires annual testing for most backflow prevention assemblies.
What happens if my backflow preventer fails the test?
It must be repaired or replaced promptly to ensure continued protection of your water supply.
Is backflow testing a DIY task?
No, it requires a certified professional with specialized testing equipment and knowledge of plumbing codes.
Are there any permits needed for backflow testing?
Yes, licensed plumbers typically pull permits and provide certification to comply with local regulations.
Are you licensed and insured?
Salem Plumbing is fully licensed and insured for Backflow Preventer Testing across Portland.
Do you work weekends?
We keep flexible hours, including evenings and weekends where we can.
What Salem homeowners say
“Had them out for a routine plumbing inspection. The technician was very knowledgeable and gave us great advice for maintaining our system.”
“Professional and honest. They gave us clear options for our water pressure problem and didn't try to upsell us.”
“Excellent service! They cleared a stubborn drain that other companies couldn't handle. Highly recommend their expertise.”
We stand behind every repair and installation with a comprehensive warranty on parts and labor. If you experience an issue related to our work, we'll make it right.