Flow Masters Plumbing, Daly City, CA: Backflow Testing

Approvals

✓ On the San Francisco authorized testers Phone matches its Google profile

San Francisco authorized backflow assembly testing companies, as of August 14, 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
John Benett
Ben Strain

Ask for the certificate number of the tester who will do your test, and check that your own water utility accepts reports from this company.

Call (415) 751-1933 Visit website More testers in California

Price reports

What a backflow test costs in Daly City

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Published prices nationwide

$29.99 to $100 per assembly

$0$25$50$75$100$125

Based on 14 published prices · Read Oct 2026 Prices testing businesses list on their own websites, from our cost guide. Listed prices, not what people paid.

Every published price, with its source: what a backflow test costs.

Failed test? Published repair, rebuild and replacement prices: what a backflow repair or replacement costs.

Where you will find Flow Masters Plumbing

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

Other backflow testers nearby

Business	Services	Distance
Steve Gotelli Plumbing Inc	Backflow Testing	3 mi
Ros Plumbing	Backflow Testing	4 mi
Larratt Bros Plumbing, Inc.	Backflow Testing	4 mi
C & L Plumbing Inc	Backflow Testing	4 mi
Cornely Company	Backflow Testing	4 mi
Pacific Automatic Sprinkler Co.	Backflow Testing	4 mi

Questions about Flow Masters Plumbing

Is Flow Masters Plumbing approved to test backflow assemblies?

Flow Masters Plumbing is on the San Francisco authorized testers, as of August 14, 2026. That means the utility lets the company file backflow test reports in its system; it is not a state license. Ask for the tester's certificate number before the test.

What does Flow Masters Plumbing do?

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

What areas does Flow Masters Plumbing serve?

They are based in Daly City, California, within driving distance of San Francisco, South San Francisco, Burlingame, San Mateo, Oakland. Service areas are set by the business, so confirm yours when you call.

How do I reach Flow Masters Plumbing?

Call (415) 751-1933. Their website is linked on this page.

Compiled from public records and public business information. Not an endorsement. Check licensing before you hire.

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