Backflow Testing Services in King City, Oregon
Finding a reliable backflow testing professional in King City, Oregon is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 16 backflow testing companies serving King City and surrounding communities including Tualatin, Beaverton, Lake Oswego.
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 King City 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 King City 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.
16 listed providers
Oregon Backflow Testing, Llc
Testing Verified · Portland, OR · < 1 mi
“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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Green Leaf Landscape LLC
Portland, OR · 7 mi
“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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Dynamic Backflow LLC
Testing Verified · Wilsonville, OR · 7 mi
“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 GoogleBennett Irrigation and Backflow Service
Testing Verified · Portland, OR · 8 mi
“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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DeTemple CO
No reviews yet
Testing Verified · Milwaukie, OR · 9 mi
Proline Plumbing
Portland, OR · 11 mi
“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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D&F Plumbing, Heating and Cooling
Testing Verified · Portland, OR · 11 mi
American Backflow and Plumbing Services Inc
Testing Verified · Portland, OR · 12 mi
“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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Flowcheck LLC
Testing Verified · Hillsboro, OR · 12 mi
“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 GoogleAccurate Backflow Testing
Testing Verified · Forest Grove, OR · 15 mi
“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 GoogleBeavercreek Backflow LLC
Testing Verified · Beavercreek, OR · 16 mi
“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…”
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Backflow Management Inc.
Testing Verified · Portland, OR · 18 mi
“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…”
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Helpful resources
Frequently Asked Questions About Backflow Testing in King City
If a backflow preventer fails its annual test, the certified tester will diagnose the issue — often a worn check valve, damaged disc, or fouled relief valve. Most testers in King City can repair the device on site and re-test it the same day. Your water authority may require the passing report within a set deadline.
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 King City 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 King City 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 King City with real customer reviews.
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