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Backflow Testing Services in Santa Monica, California

Finding a reliable backflow testing professional in Santa Monica, California is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 10 backflow testing companies serving Santa Monica and surrounding communities including Inglewood, Manhattan Beach, Hawthorne.

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 Santa Monica 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 Santa Monica 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

Services:
American Drain Works and Plumbing Company backflow testing
4 mi

American Drain Works and Plumbing Company

5.0(45)

Los Angeles, CA · 4 mi

Commercial
Website
Plumbquest Plumbing & Backflow testing backflow testing
9 mi

Plumbquest Plumbing & Backflow testing

No reviews yet

Los Angeles, CA · 9 mi

CommercialEmergency ServiceFree Estimates
Website
LA
Testing Verified
11 mi

Los Angeles County Waterworks Districts

1.9(9)

Testing Verified · Malibu, CA · 11 mi

Cross-Connection ControlEmergency Service
Website
Ferrari Backflow Inc. backflow testing
Testing Verified
13 mi

Ferrari Backflow Inc.

3.0(2)

Testing Verified · Redondo Beach, CA · 13 mi

Backflow TestingPreventer InstallationCross-Connection Control
Website
USC Foundation for Cross-Connection Control and Hydraulic Research backflow testing
13 mi

USC Foundation for Cross-Connection Control and Hydraulic Research

5.0(2)

Los Angeles, CA · 13 mi

Backflow TestingCross-Connection Control
Website
AB
Testing Verified
13 mi

Accurate Backflow Testing

3.9(8)

Testing Verified · Van Nuys, CA · 13 mi

Backflow TestingPreventer InstallationPreventer Repair

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 Google
Website
GP
14 mi

Gene Pira Backflow Prevention

5.0(4)

Northridge, CA · 14 mi

Website
VB
Testing Verified
15 mi

Valley Backflow

3.0(4)

Testing Verified · Burbank, CA · 15 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 Google
Website
H. L. Moe Co., Inc backflow testing
Testing Verified
16 mi

H. L. Moe Co., Inc

4.8(467)

Testing Verified · Glendale, CA · 16 mi

Backflow TestingCommercialResidential
Website
A-A Backflow Testing and Maintenance backflow testing
Testing Verified
17 mi

A-A Backflow Testing and Maintenance

3.0(5)

Testing Verified · Torrance, CA · 17 mi

Backflow TestingCross-Connection Control
Website

Frequently Asked Questions About Backflow Testing in Santa Monica

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 Santa Monica 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.

Many municipalities in California require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Santa Monica 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 Santa Monica 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 Santa Monica with real customer reviews.

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