CA/NV AWWA certified backflow testing, repair, and reporting in Carlsbad, San Diego County. Same-week appointments. Reports filed with the Carlsbad Municipal Water District.
Carlsbad is a premier North County coastal city known for its flower fields, lagoons, and a strong mix of residential and commercial properties along the I-5 corridor. Properties throughout Carlsbad (zip codes 92008, 92009, 92010, 92011) 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 Carlsbad and all of San Diego County. We test all assembly types — PVB, DC, and RP — including detector assemblies, and file test reports with the Carlsbad Municipal 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 Carlsbad Municipal 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 Carlsbad? 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 Carlsbad, a CA/NV AWWA certified technician shows up with calibrated equipment, performs the test, and files the report with the Carlsbad Municipal 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 Carlsbad Municipal Water District. Call or text for a quick quote.
Phone/Text: (619) 353-8378
Email: [email protected]
Hours: Mon–Sat, same-week appointments