FBT

Backflow Testing Services in Tualatin, Oregon

Finding a reliable backflow testing professional in Tualatin, Oregon is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 16 backflow testing companies serving Tualatin and surrounding communities including King City, Lake Oswego, Wilsonville.

Whether you need annual backflow testing, RPZ (Reduced Pressure Zone) valve inspection, or cross-connection control services, the providers listed below offer professional testing services for both residential and commercial properties throughout the Tualatin area.

Most water authorities in Oregon require annual testing and reporting for all backflow prevention assemblies. A certified backflow tester will inspect your devices, perform the required differential pressure tests, and file compliance reports with your local water authority.

Browse the listings below to compare ratings, read customer reviews, and contact backflow testing professionals near Tualatin directly. Use the filters above to narrow results by rating, review count, or specific services like RPZ testing and preventer installation.

Data source: Google Maps. Always verify licensing with your local water authority.

8 listed providers

Services:
Dynamic Backflow LLC backflow testing
Testing Verified
5 mi

Dynamic Backflow LLC

4.3(14)

Testing Verified · Wilsonville, OR · 5 mi

Backflow TestingCommercialResidential

I didn’t realize how cities require all this paperwork … and I only recently saw it all. Dynamic Backflow handles the paperwork and bureaucratic nonsense seamlessly and in the background to where I…

Read more on Google
Website
Green Leaf Landscape LLC backflow testing
8 mi

Green Leaf Landscape LLC

4.8(14)

Portland, OR · 8 mi

Backflow TestingSprinkler Backflow

I can’t say enough good things about Green Leaf Irrigation and Landscape! From start to finish, their team was professional, knowledgeable, and incredibly friendly. The installation crew arrived…

Read more on Google
Website
DeTemple CO backflow testing
Testing Verified
8 mi

DeTemple CO

No reviews yet

Testing Verified · Milwaukie, OR · 8 mi

Backflow TestingResidentialEmergency Service
Website
AB
Testing Verified
11 mi

American Backflow and Plumbing Services Inc

4.1(63)

Testing Verified · Portland, OR · 11 mi

Backflow TestingPreventer InstallationPreventer Repair

Everything went great. All the things you expect from a service company such as American Plumbing. On time, did the work, tested the work, kept the area clean, etc, etc. All great stuff. Where…

Read more on Google
Website
BB
Testing Verified
13 mi

Beavercreek Backflow LLC

5.0(4)

Testing Verified · Beavercreek, OR · 13 mi

Backflow TestingPreventer RepairAnnual Certification

Want to thank Matt at Beavercreek Backflow LLC who came out one day after I called for the inspection of my sprinkler system. He was friendly, fast, and charged a very reasonable price when others…

Read more on Google
Website
Flowcheck LLC backflow testing
Testing Verified
15 mi

Flowcheck LLC

4.1(9)

Testing Verified · Hillsboro, OR · 15 mi

Backflow TestingSprinkler BackflowResidential

We’ve been using Flowcheck for a few years now to maintain our sprinkler system. We are on an annual plan for startup and shutdown including city required back-flow testing. They are very quick to…

Read more on Google
Website
Backflow Management Inc. backflow testing
Testing Verified
17 mi

Backflow Management Inc.

4.3(22)

Testing Verified · Portland, OR · 17 mi

Backflow TestingCross-Connection Control

Amazing! Garret and all staff. Hands down I had 0 confidence going into this and they obviously have permanently made an impact in my life because, guess what.. I passed! They are so insightful and…

Read more on Google
Website
AB
Testing Verified
18 mi

Accurate Backflow Testing

4.7(18)

Testing Verified · Forest Grove, OR · 18 mi

Backflow TestingCross-Connection Control

Very fast and easy service. Basically a test needed every year for my backflow water assembly required by the city and they make it simple. I give them a call, they schedule, they come out, attach an…

Read more on Google
Website

Frequently Asked Questions About Backflow Testing in Tualatin

RPZ (Reduced Pressure Zone) testing verifies that your reduced pressure backflow preventer is functioning correctly to protect your water supply from contamination. A certified tester uses specialized gauges to measure differential pressures across the assembly. RPZ devices are typically required for high-hazard connections.

Most jurisdictions in Oregon require backflow testers to hold a current certification from an approved training program, typically involving classroom instruction, a hands-on practical exam, and continuing education credits. Some municipalities maintain their own approved-tester lists. Always verify certification before hiring.

Residential tests typically involve a single PVB or DCVA device and are quicker to complete. Commercial properties in Tualatin often have multiple assemblies, RPZ devices, and fire-line backflow preventers that require more time and specialized equipment. Pricing and scheduling may differ for each type.

Many certified backflow testers in Tualatin will file test reports directly with your local water authority or municipality on your behalf. Confirm this with your provider before scheduling. Some jurisdictions require the property owner to submit reports, while others accept direct submissions from the tester.

Backflow testing in Tualatin, Oregon typically costs between $50 and $200 per device, depending on the type of backflow preventer and the complexity of the installation. RPZ assemblies generally cost more to test than double check valve assemblies. Contact providers listed above for current pricing in the Tualatin area.

For Providers

Own a Backflow Testing Business?

Claim your listing to manage your profile, track leads, and get premium placement.