Backflow Testing Services in Van Nuys, California
Finding a reliable backflow testing professional in Van Nuys, California is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 13 backflow testing companies serving Van Nuys and surrounding communities including Burbank, Glendale, Santa Clarita.
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 Van Nuys area.
Most water authorities in California 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 Van Nuys 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
Accurate Backflow Testing
Testing Verified · Van Nuys, CA · < 1 mi
“This is a vendor partner Branded Group can trust! We've recently given them a few more jobs and they have done superbly well every single time we've given them a work order. They've earned themselves…”
Read more on GoogleValley Backflow
Testing Verified · Burbank, CA · 9 mi
“Called a handful of companies and they were the most responsive at the best price. Service was great and I would use again!”
Read more on GoogleH. L. Moe Co., Inc
Testing Verified · Glendale, CA · 12 mi
Plumbquest Plumbing & Backflow testing
No reviews yet
Los Angeles, CA · 12 mi

Kennco Plumbing, Inc.
Testing Verified · Santa Clarita, CA · 14 mi

Precision Backflow Testing & Repairs
Testing Verified · La Cañada Flintridge, CA · 15 mi
“Had a great experience with Precision Backflow! I called for information as we were looking for a new backflow testing company-we had a few bad experiences with the company we’d been using. I talked…”
Read more on Google
Kurt Bohmer Plumbing Inc.
Canyon Country, CA · 16 mi

USC Foundation for Cross-Connection Control and Hydraulic Research
Los Angeles, CA · 17 mi
Horn's Backflow & Plumbing Service, Inc.
Valencia, CA · 17 mi
Los Angeles County Waterworks Districts
Testing Verified · Malibu, CA · 18 mi
All Star Plumbing & Rooter Inc.
Santa Clarita, CA · 19 mi
Helpful resources
Frequently Asked Questions About Backflow Testing in Van Nuys
Most jurisdictions in California 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 Van Nuys 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 Van Nuys 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 Van Nuys, California 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 Van Nuys area.
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 Van Nuys 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.
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