BACKFLOW
CA / NV AWWA Cert. No. 20975 ↗

Backflow Testing
San Diego

Certified Backflow Testing, Repair & Reporting

San Diego's trusted backflow prevention specialist. CA/NV AWWA certified, fully compliant with all local water authority requirements. We keep the water supply safe — one assembly at a time.

Schedule a Test Coastal Crew Membership
AWWA
Certified Tester
CA/NV
Licensed Both States
24H
Report Turnaround
SD
Locally Operated
Backflow TestingCertified CA / NV AWWARepair & ReplacementTest Report FilingCoastal Crew MembersHOA ServicePlumber Partners WelcomeSan Diego Local Backflow TestingCertified CA / NV AWWARepair & ReplacementTest Report FilingCoastal Crew MembersHOA ServicePlumber Partners WelcomeSan Diego Local
What We Do

Testing, Repair
& Reporting

Every service performed by a CA/NV AWWA Certified Backflow Prevention Assembly Tester. We handle the compliance documentation so you don't have to.

Annual Testing
State-mandated annual certification testing for PVB, DC, and RP assemblies. Same-day test report filing with your water authority.
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Repair & Rebuild
Failed assembly? We repair or rebuild on-site using certified parts. Most repairs completed in a single visit.
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Test Reporting
All results filed with your water authority within 24 hours. PDF report emailed same day for your records.
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Assembly Replacement
Full assembly replacement when repair isn't cost-effective. All standard sizes ¾″–3″.
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HOA & Multi-Unit
Bulk testing programs for HOAs and multi-unit properties with consolidated reporting.
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Plumber Partners
White-label service for licensed plumbers. Wholesale rates, Net 15/30 terms, zero compliance paperwork.
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Our Customers

Who We Serve

From single-family homes to commercial properties, HOAs, and licensed plumbers — SD Coastal Backflow serves all of San Diego's backflow prevention needs.

Residential
Homeowners with irrigation systems, pools, or fire suppression lines. Fast scheduling and Coastal Crew membership available.
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Commercial
Restaurants, office buildings, retail, and industrial properties. Compliance-focused service with priority scheduling.
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HOA & Multi-Unit
Volume programs, single-point billing, and full compliance coordination for community associations.
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Plumber Partners
Licensed plumbers who need a certified backflow tester. Wholesale rates and white-label service.
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Coverage

San Diego County
Service Area

We serve all of San Diego County — from the coast to the inland valleys, north county to the South Bay. If you're in San Diego County, we come to you.

La Jolla → Chula Vista → Carlsbad → Oceanside → Escondido → Encinitas → El Cajon → Poway → San Marcos → Santee → Del Mar → Coronado → La Mesa → Rancho Bernardo → Vista →
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Ready to Schedule Your Backflow Test?

Most appointments confirmed within 2 hours. Same-week availability throughout San Diego County.

Book Your Test Now →
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