Backflow Testing Services in Monterey, California
Finding a reliable backflow testing professional in Monterey, California is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 10 backflow testing companies serving Monterey and surrounding communities including Seaside, Salinas, Watsonville.
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 Monterey 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 Monterey 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.
10 listed providers

Alvarez Plumbing
Testing Verified · Salinas, CA · 14 mi
“Amazing service as usual! We always call Alvarez for all our business needs. We’re the Shell gas station on Laurel and sanborn and these guys always give us fair pricing and go above and beyond with…”
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California SCADA Services
Testing Verified · Salinas, CA · 14 mi
“The services provided by Adnen/ this company is outstanding in both quality and value for the work. He has helped me and my clients with water systems maintenance, water tank cleaning, and controls…”
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Val's Plumbing & Heating, Inc.
Salinas, CA · 15 mi
“EXCELLENT SERVICE TODAY! We woke up to no hot water this morning. I called and spoke to a very friendly and helpful David at 7:15. He asked several questions about the problem that shows that he…”
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Acme Plumbing
Testing Verified · Salinas, CA · 15 mi
“I've had three experiences using Acme Plumbing, and wow! All of them five stars. This last one resulted from our housekeeper informing me that there was a leak under the kitchen sink. I called Acme…”
Read more on GoogleCalifornia Water Service Co
Salinas, CA · 15 mi
“Thank you for being a witness a Smart & Final we deserve the proper disability snap card respect Miss Rachel front register transsexual”
Read more on GoogleFerguson Plumbing Supply
Salinas, CA · 16 mi
“I had an emergency plumbing experience and needed a part for my water heater. Ferguson's had that part in stock and it was very reasonable. Other vendors would have to order the part causing us to be…”
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Frequently Asked Questions About Backflow Testing in Monterey
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 Monterey 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 Monterey 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 Monterey, 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 Monterey 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 Monterey 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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