Atlas Backflow
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Backflow Testing, Repair & Installation in Los Angeles, CA

Certified backflow services for Los Angeles homes, businesses, and industrial properties — annual testing from $90 per device, with your LADWP paperwork filed for you.

Licensed · Bonded · Insured
C-36 #1088210
★★★★★ 4.9 · 118 Google reviews
Your Local Backflow Team

Serving Los Angeles Since 2007

If you've received an annual backflow test notice from LADWP (or Cal-Am in some pockets of the city), Atlas Backflow can test, certify, and file your paperwork — usually within days of your call.

From downtown high-rises and Koreatown mixed-use buildings to Westside medical offices and industrial properties along the Alameda corridor, our testers cover the city of LA every week. We track more than 280 devices across Los Angeles and know how LADWP's cross-connection program and submittal process work inside and out.

And if your device fails? Our trucks carry a full parts inventory, so most Los Angeles repairs happen on the same visit — with re-certification included when we do the repair. We also build and install custom anti-theft cages, an increasingly common need for exposed commercial assemblies around Los Angeles.

01
Testing & Certification
From $90/device, filed with your district.
02
Repair & Replacement
Most repairs done same-visit, any make.
03
Anti-Theft Cages
Custom-built enclosures, installed on-site.
04
Surveys & More
Cross connection, disinfection, pressure tests.

Los Angeles Testing: Starting at $90 Per Device

All device types — DCVA, PVB, RP/RPZ, SVB, fire lines. Price includes the test, compliance documentation, and submittal. Same-day service available at an additional charge.

Also Serving Nearby

Beverly Hills Santa Monica Glendale Culver City Inglewood Vernon El Segundo

Los Angeles Backflow FAQ

Who requires my backflow test in Los Angeles?+

LADWP requires an annual test on backflow prevention assemblies and mails notices to property owners. Atlas Backflow performs the certified test and files the passing results directly with the district for you.

How much does backflow testing cost in Los Angeles?+

$90 per device for standard annual testing — all device types including DCVA, PVB, RP/RPZ, SVB, and fire lines. The price includes the test, compliance documentation, and submittal to the water district.

How fast can a tester get to my Los Angeles property?+

Our shop is in Signal Hill and Los Angeles is on our regular routes, so we can usually schedule within days — with same-day service available for an additional charge.

What happens if my device fails the test?+

Our trucks carry a full backflow parts inventory, so most failed devices in Los Angeles are repaired on the same visit. If we perform the repair, the post-repair re-certification is included at no extra charge.