A1 Backflow Service Inc, Manteca, CA: Backflow Testing

Certification

✓ On California's certified backflow tester roster ✓ On the Sacramento County certified Phone matches its Google profile

Sacramento County certified backflow prevention assembly testers, as of September 1, 2026. Being on this list means the utility lets the company file backflow test reports in its water system; it is not a state license.

Certified tester	Certificate
Cary "cory" White	PI0001388

From the City of San Diego Public Utilities Department roster, read September 4, 2026. The roster lists people, not companies; these are the certified testers it lists for this business. Ask which tester will do your test, and your utility may also require the tester to be registered with it.

Call (209) 607-7383 More testers in California

Where you will find A1 Backflow Service Inc

These are the city pages close enough for this business to appear on.

Other backflow testers nearby

Business	Services	Distance
Thorpe Design Inc	Backflow Testing	27 mi
Monarch Landscape	Backflow Testing	28 mi
Marina Plumbing Co	Backflow Testing	36 mi
Valley Plbg & Home Center	Backflow Testing	37 mi
Philco Building Maint	Backflow Testing	45 mi
Escos Fire and Safety	Backflow Testing	46 mi

Questions about A1 Backflow Service Inc

Is A1 Backflow Service Inc licensed?

Yes. California records showed an active certificate (#PI0001388) when we last checked in Oct 2026. Ask to see it before work starts, since a certificate can lapse between checks.

What does A1 Backflow Service Inc do?

Their listing covers backflow testing. Call to confirm the service you need, because offerings change.

What areas does A1 Backflow Service Inc serve?

They are based in Manteca, California, within driving distance of Pleasanton, Concord, Hayward. Service areas are set by the business, so confirm yours when you call.

How do I reach A1 Backflow Service Inc?

Call (209) 607-7383.

Is this your business?

Claim this listing free: add the utilities you file with, your service area and your residential test price, and get annual test-due requests from property owners.

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