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Backflow Testing Services in Hillsboro, Oregon

Finding a reliable backflow testing professional in Hillsboro, Oregon is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 13 backflow testing companies serving Hillsboro and surrounding communities including Forest Grove, Aloha, Beaverton.

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 Hillsboro 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 Hillsboro 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.

13 listed providers

Services:
Flowcheck LLC backflow testing
Testing Verified
< 1 mi

Flowcheck LLC

4.1(9)

Testing Verified · Hillsboro, OR · < 1 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…

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Website
AB
Testing Verified
5 mi

Accurate Backflow Testing

4.7(18)

Testing Verified · Forest Grove, OR · 5 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…

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Website
Syncta backflow testing
Testing Verified
9 mi

Syncta

No reviews yet

Testing Verified · Beaverton, OR · 9 mi

Backflow TestingCross-Connection ControlResidential
Website
AB
Testing Verified
9 mi

Aloha Backflow

4.0(16)

Testing Verified · Beaverton, OR · 9 mi

Backflow Testing
Website
Green Leaf Landscape LLC backflow testing
10 mi

Green Leaf Landscape LLC

4.8(14)

Portland, OR · 10 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…

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Website
OB
Testing Verified
12 mi

Oregon Backflow Testing, Llc

5.0(1)

Testing Verified · Portland, OR · 12 mi

Backflow TestingCross-Connection Control

Great quality service. Always promptly get back to you. The technicians take the time to explain things and do not rush along. Very professional.

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Website
Performance Systems Integration backflow testing
14 mi

Performance Systems Integration

No reviews yet

Portland, OR · 14 mi

Website
D&F Plumbing, Heating and Cooling backflow testing
Testing Verified
16 mi

D&F Plumbing, Heating and Cooling

4.5(1,987)

Testing Verified · Portland, OR · 16 mi

Backflow TestingCommercialResidential
Website
Dynamic Backflow LLC backflow testing
Testing Verified
18 mi

Dynamic Backflow LLC

4.3(14)

Testing Verified · Wilsonville, OR · 18 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…

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Website
AB
Testing Verified
19 mi

American Backflow and Plumbing Services Inc

4.1(63)

Testing Verified · Portland, OR · 19 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…

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Website
Proline Plumbing backflow testing
19 mi

Proline Plumbing

4.7(179)

Portland, OR · 19 mi

Backflow TestingCommercialResidential

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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Website
DeTemple CO backflow testing
Testing Verified
19 mi

DeTemple CO

No reviews yet

Testing Verified · Milwaukie, OR · 19 mi

Backflow TestingResidentialEmergency Service
Website
BI
Testing Verified
19 mi

Bennett Irrigation and Backflow Service

4.4(14)

Testing Verified · Portland, OR · 19 mi

Residential

I'm so glad I found Paul! He came out and saved our lawns and me from potentially huge irrigation bills. I have large property, 10 acres, probably an acre + of lawn and 16 zones systems which are 20…

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Website

Frequently Asked Questions About Backflow Testing in Hillsboro

Cross-connection control prevents contaminated water from flowing backwards into the clean water supply. Backflow prevention devices are installed at cross-connection points to protect public health. Regular testing ensures these devices function properly. Many municipalities in Oregon require cross-connection control programs for commercial properties and irrigation systems.

Many municipalities in Oregon require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Hillsboro can confirm the exact testing schedule and deadlines for your area. Failing to test on time may result in fines or water service interruption.

Some certified testers near Hillsboro offer same-day or emergency scheduling for urgent situations such as a failed device, a compliance deadline, or a new construction inspection. Check individual provider listings above for availability, or request a quote to find a tester who can accommodate your schedule.

Look for testers with active state certification, strong Google reviews, and experience with your type of backflow preventer (PVB, DCVA, or RPZ). Ask whether they file compliance reports with your local water authority and request a written estimate before scheduling. Our directory lists testers near Hillsboro with real customer reviews.

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.

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