A new irrigation system, a commercial connection, or a letter from the district saying your property needs a device: we assess the site, install the right assembly to code, and run the first certification test so it is district ready from day one.
CA License #1117220. On water district vendor lists across North County.
Whether you’re upgrading an old system or installing a backflow preventer for the first time, Mr. Backflow delivers expert service with certified precision. From initial site assessment to installation and final testing, we handle the entire process so your property stays safe and fully compliant.
Our installations cover all major device types — RPZ, DC, DCDA, and PVB — and we ensure your system meets strict local water district standards right from day one.
Fast, reliable, and fully approved by local water districts — request your free estimate now.
Professional backflow installations designed for long-term reliability, full compliance, and peace of mind — from start to finish.
From Carlsbad and Encinitas to Vista, San Marcos, and Rancho Santa Fe, homeowners, HOAs, and businesses trust Mr. Backflow for professional installations. We’re listed on all major local water district vendor lists, so you know your installation is approved and recognized.
We provide full-service backflow solutions—testing, repairs, replacements, and new installations—handled by certified experts. Whether you need an annual inspection or an urgent repair, we’ve got you covered.
