FBT

Backflow Testing Services in Lynwood, California

Finding a reliable backflow testing professional in Lynwood, California is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 26 backflow testing companies serving Lynwood and surrounding communities including South Gate, Compton, Willowbrook.

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 Lynwood 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 Lynwood 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.

16 listed providers

Services:
Mr Fix It Plumbing backflow testing
Testing Verified
7 mi

Mr Fix It Plumbing

No reviews yet

Testing Verified · Long Beach, CA · 7 mi

Backflow TestingCommercial
Website
CY
Testing Verified
9 mi

Cover Your Brass - Backflow Testing and Backflow Cage Manufacturer

4.8(9)

Testing Verified · Signal Hill, CA · 9 mi

Backflow TestingPreventer InstallationPreventer Repair

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
Website
Atlas Backflow Services - Backflow Testing Los Angeles + Orange County backflow testing
Testing Verified
9 mi

Atlas Backflow Services - Backflow Testing Los Angeles + Orange County

4.9(83)

Testing Verified · Signal Hill, CA · 9 mi

Backflow TestingPreventer RepairCross-Connection Control
Website
Advance Mechanical Contractors backflow testing
Testing Verified
9 mi

Advance Mechanical Contractors

No reviews yet

Testing Verified · Signal Hill, CA · 9 mi

Backflow TestingCommercialResidential
Website
Pete's Plumbing backflow testing
Testing Verified
10 mi

Pete's Plumbing

No reviews yet

Testing Verified · Signal Hill, CA · 10 mi

Backflow TestingEmergency ServiceSame Day Service
Website
Ferrari Backflow Inc. backflow testing
Testing Verified
10 mi

Ferrari Backflow Inc.

3.0(2)

Testing Verified · Redondo Beach, CA · 10 mi

Backflow TestingPreventer InstallationCross-Connection Control
Website
A-A Backflow Testing and Maintenance backflow testing
Testing Verified
11 mi

A-A Backflow Testing and Maintenance

3.0(5)

Testing Verified · Torrance, CA · 11 mi

Backflow TestingCross-Connection Control
Website
Sunset Plumbing backflow testing
Testing Verified
11 mi

Sunset Plumbing

No reviews yet

Testing Verified · Long Beach, CA · 11 mi

Backflow TestingCommercial
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
Los Angeles Plumbing & Backflow backflow testing
Testing Verified
16 mi

Los Angeles Plumbing & Backflow

5.0(3)

Testing Verified · Irwindale, CA · 16 mi

Backflow TestingPreventer InstallationPreventer Repair
Website
Hydro Backflow backflow testing
16 mi

Hydro Backflow

5.0(2)

Arcadia, CA · 16 mi

Annual Certification FilingCommercialResidential
Website
Prevent Backflow & Plumbing Inc. backflow testing
Testing Verified
17 mi

Prevent Backflow & Plumbing Inc.

No reviews yet

Testing Verified · Anaheim, CA · 17 mi

Backflow TestingEmergency Service
Website
Precision Backflow Testing & Repairs backflow testing
Testing Verified
19 mi

Precision Backflow Testing & Repairs

5.0(19)

Testing Verified · La Cañada Flintridge, CA · 19 mi

Backflow TestingPreventer RepairAnnual Certification

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
Website
CAL VALVE INC. backflow testing
Testing Verified
19 mi

CAL VALVE INC.

5.0(5)

Testing Verified · Anaheim, CA · 19 mi

Cross-Connection Control

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…

Read more on Google
Website
Splash Plumbing backflow testing
Testing Verified
20 mi

Splash Plumbing

4.8(288)

Testing Verified · Anaheim, CA · 20 mi

Backflow TestingCommercialResidential
Website

Frequently Asked Questions About Backflow Testing in Lynwood

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.

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 Lynwood 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 Lynwood 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 Lynwood, 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 Lynwood area.

For Providers

Own a Backflow Testing Business?

Claim your listing to manage your profile, track leads, and get premium placement.