Backflow Testing Services in Lakewood, California
Finding a reliable backflow testing professional in Lakewood, California is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 25 backflow testing companies serving Lakewood and surrounding communities including Bellflower, Paramount, Cerritos.
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 Lakewood 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 Lakewood 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.
25 listed providers

A-1 Performance Rooter & Plumbing
No reviews yet
Testing Verified · Long Beach, CA · 1 mi


Prodigy Plumbing | Long Beach Plumber
Testing Verified · Long Beach, CA · 3 mi
Cover Your Brass - Backflow Testing and Backflow Cage Manufacturer
Testing Verified · Signal Hill, CA · 4 mi
“Our plumbing company in Orange County Ca needed backflow anti theft cages asap for our customers who had their backflow assemblies stolen. Bill the owner came through for us! The products we…”
Read more on Google
BAVCO - Backflow Repair Parts & Backflow Supply
Long Beach, CA · 4 mi
“I ordered the parts for my PVB backflow preventer and it seem like I just got off the Internet and the parts were at my door it was fast!!!!! Customer service was very good, trust me, I would’ve gave…”
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Advance Mechanical Contractors
No reviews yet
Testing Verified · Signal Hill, CA · 4 mi
Atlas Backflow Services - Backflow Testing Los Angeles + Orange County
Testing Verified · Signal Hill, CA · 4 mi

Pete's Plumbing
No reviews yet
Testing Verified · Signal Hill, CA · 5 mi

J & D Plumbing & Heating Contractors
No reviews yet
Long Beach, CA · 5 mi
Roto-Rooter Plumbing & Water Cleanup
No reviews yet
Long Beach, CA · 6 mi


Prevent Backflow & Plumbing Inc.
No reviews yet
Testing Verified · Anaheim, CA · 12 mi

A-A Backflow Testing and Maintenance
Testing Verified · Torrance, CA · 12 mi

CAL VALVE INC.
Testing Verified · Anaheim, CA · 13 mi
“Great location right off Anaheim blvd so it’s super convenient. They always have what I need especially when it comes to backflow parts that can be annoying to track down elsewhere. The staff are…”
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Ferrari Backflow Inc.
Testing Verified · Redondo Beach, CA · 14 mi


USC Foundation for Cross-Connection Control and Hydraulic Research
Los Angeles, CA · 15 mi
Pacific Plumbing of Southern California
Testing Verified · Santa Ana, CA · 17 mi

Los Angeles Plumbing & Backflow
Testing Verified · Irwindale, CA · 17 mi
Plumbquest Plumbing & Backflow testing
No reviews yet
Los Angeles, CA · 20 mi
Helpful resources
Frequently Asked Questions About Backflow Testing in Lakewood
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.
Many municipalities in California require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Lakewood 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 Lakewood 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 Lakewood 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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