Backflow Testing Services in Moreno Valley, California
Finding a reliable backflow testing professional in Moreno Valley, California is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 21 backflow testing companies serving Moreno Valley and surrounding communities including Redlands, Riverside, Colton.
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 Moreno Valley 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 Moreno Valley 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.
21 listed providers
Dependable Plumber Inc
No reviews yet
Moreno Valley, CA · 2 mi

LeBlanc Backflow Service
No reviews yet
Testing Verified · Moreno Valley, CA · 3 mi
Roto-Rooter Plumbing & Water Cleanup
No reviews yet
Riverside, CA · 9 mi

Mr. Rooter Plumbing of San Bernardino
Colton, CA · 11 mi
“Our 20+ year old water heater died on us and had to be immediately replaced. I contacted at least 7 plumbing companies and Mr. Rooter was the only one who had same day availability. Also, the rep…”
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Big Mike's Rooter & Plumbing Company, Inc.
San Bernardino, CA · 12 mi
“I was told it was going to cost approximately $1000 to replace the shower valve. Big Mike’s came out and found that when the previous plumber changed the stems, he did not replace the seats in the…”
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Jim & Sons Plumbing & Rooter
Testing Verified · Riverside, CA · 12 mi

Ballard Plumbing Heating & Air Conditioning
San Bernardino, CA · 13 mi
“I like Brent he’s funny easy going I felt comfortable with him. He didn’t make me feel pressured into signing anything. If I didn’t understand something he explained it very well. I met Jose he took…”
Read more on GoogleCampbell Family Plumbing & Electric
Riverside, CA · 13 mi

E.R. Block Plumbing Inc.
No reviews yet
Riverside, CA · 15 mi

Basic Backflow
Testing Verified · San Bernardino, CA · 15 mi

Southern California Backflow
Testing Verified · Riverside, CA · 15 mi

Amazing Force Plumbing & Backflow LLC
Corona, CA · 18 mi
“Where do I begin......... Amazing Force Plumbing has provided excellent service for my rental properties as well as my home for the last several years. Kenneth is the owner and he takes pride in…”
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Sentry Backflow and Utility Theft Prevention by D&M
Lake Elsinore, CA · 18 mi

Cal Valve – Backflow Supply
Testing Verified · Lake Elsinore, CA · 19 mi
“Recently took Ron’s 1 week backflow crash course and found it to be excellent! The information presented to the class was easy to understand and take in. Most in the class weren’t even in the water…”
Read more on GoogleFullerton Backflow
No reviews yet
Testing Verified · Lake Elsinore, CA · 19 mi
Helpful resources
Frequently Asked Questions About Backflow Testing in Moreno Valley
Residential tests typically involve a single PVB or DCVA device and are quicker to complete. Commercial properties in Moreno Valley 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 Moreno Valley 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 Moreno Valley, 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 Moreno Valley 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 Moreno Valley 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 California require cross-connection control programs for commercial properties and irrigation systems.
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