CA/NV AWWA certified backflow testing, repair, and reporting in El Cajon, San Diego County. Same-week appointments. Reports filed with Helix Water District.
El Cajon is the largest city in East County with a robust mix of residential and commercial properties. 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 Helix Water District within 24 hours.
State-mandated annual certification testing for all backflow prevention assemblies. Every test includes same-day report filing with 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 Helix Water District. Transparent pricing, no surprises, no subcontractors.
Standard ¾″–3″ assemblies. Reports filed with Helix Water District.
Phone/Text: (619) 353-8378
Email: info@sdbackflow.com
Hours: Mon–Sat, same-week appointments