About Us
Southern California Backflow
A certified, locally based backflow prevention company serving San Bernardino and Riverside Counties from our home base in Calimesa, CA.
A Backflow Specialist Rooted in the Inland Empire
Southern California Backflow was founded to provide a better backflow compliance experience to property owners, HOA managers, and commercial operators across San Bernardino and Riverside Counties. Too many property owners were receiving delinquency notices from their water districts simply because they didn't know annual testing was required, or couldn't find a responsive local provider.
We built our business around making backflow compliance straightforward. That means showing up when we say we will, filing reports on your behalf, repairing devices on the same visit when possible, and communicating clearly about what was done and why.
Operating from Calimesa, CA puts us at the center of our service area — within 30 miles of all 29 cities we serve. That proximity means faster response times and genuine familiarity with each local water district's requirements and reporting procedures.
Company at a Glance
- Location292 Country Club Drive, Calimesa, CA 92320
- Phone(909) 723-2478
- HoursMon–Sun, 6:00 AM – 6:00 PM
- Coverage29 cities across San Bernardino & Riverside Counties
- ServicesTesting, Repair, Installation, Replacement, Compliance Management
“Our mission is simple: make backflow compliance as easy as possible for every property owner we serve. We handle the technical work and the paperwork — you simply confirm the appointment.”
Work From the Field
A look at some of the jobs we handle — from residential assemblies to large commercial backflow systems.
Why Property Owners Choose Southern California Backflow
Certified Backflow Technicians
All technicians hold active state certifications for backflow testing, repair, and installation. We maintain credentials and stay current on local water district requirements.
Available 7 Days a Week
We work Monday through Sunday, 6AM to 6PM. Backflow compliance deadlines don't follow a five-day work week, and neither do we.
Direct Report Filing
We file your test results directly with your water district on your behalf — no forms to fill out, no trips to the water department, no administrative headaches.
Same-Day Repair & Retest
We carry repair parts for all major backflow assembly brands. If your device fails, we repair and retest on the same visit in most cases.
Locally Based in Calimesa
We operate from Calimesa, CA — centrally located in the Inland Empire. Our local knowledge means faster response times and familiarity with every water district in the region.
Transparent, Honest Service
We give you a straightforward assessment and honest recommendations. If repair is cheaper than replacement, we'll say so. No upselling, no surprises.
Our Services
Backflow Testing
Annual certified testing with direct report filing to your water district.
Backflow Repair
Same-day diagnosis, repair, and retest of failed or damaged assemblies.
Backflow Installation
New assembly installation for residential, commercial, and irrigation systems.
Backflow Replacement
Full swap of aging or non-compliant assemblies with same-day testing.
Annual Compliance Management
We track deadlines, schedule annually, and file all reports — hands-free compliance.
Ready to Schedule Backflow Service?
Call us directly or use our online form. We serve 29 cities across San Bernardino and Riverside Counties — available 7 days a week, 6AM–6PM.