CA/NV AWWA certified backflow testing, repair, and reporting in El Cajon, San Diego County. Same-week appointments. Reports filed with the Helix Water District.
El Cajon sits in a broad valley east of San Diego, known for its warm climate and a dense mix of residential neighborhoods, commercial corridors, and multi-family housing. Properties throughout El Cajon (zip codes 92019, 92020, 92021) are required by California law to have their backflow prevention assemblies tested annually by a certified tester.
SD Coastal Backflow is a CA/NV AWWA Certified Backflow Prevention Assembly Tester (Cert. No. 20975) serving El Cajon and all of San Diego County. We test all assembly types — PVB, DC, and RP — including detector assemblies, and file test reports with the Helix Water District within 24 hours.
State-mandated annual certification testing for all backflow prevention assemblies — PVB, DC, and RP. Every test includes same-day report filing with the Helix Water District. Learn more about our testing service →
Failed assembly? We diagnose and repair on-site — most repairs completed same visit. Coastal Crew members save 20% on all repair labor. Learn more about repairs →
Managing a community in El Cajon? We offer volume pricing, coordinated scheduling, and consolidated compliance reporting for HOAs and property management companies. View our HOA program →
We're a San Diego-based, locally operated backflow prevention specialist — not a franchise or call center. When you book a test in El Cajon, a CA/NV AWWA certified technician shows up with calibrated equipment, performs the test, and files the report with the Helix Water District. Transparent pricing, no surprises, no subcontractors.
We test all assembly types — PVB, DC, and RP — in standard sizes ¾″ through 3″. Reports filed with the Helix Water District. Call or text for a quick quote.
Phone/Text: (619) 353-8378
Email: info@sdcoastalbackflow.com
Hours: Mon–Sat, same-week appointments