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Failed-test city route

San Francisco failed backflow test

Use this page when the assembly already failed and the next step is repair, retest, and accepted report submission.

Open failed-test workflow Utility requirements Request local help
City: San Francisco Utility: San Francisco Public Utilities Commission Backflow Prevention Program Cadence: On the local certification cycle for protected assemblies Last verified: 2026-06-29
Local answer

What to check for San Francisco

Use this page when the assembly already failed and the next step is repair, retest, and accepted report submission.

  • Due basis: San Francisco pushes users to a certified tester list through SF.gov and keeps the utility contact path inside SFPUC channels.
  • Who is affected: SFPUC customers and protected San Francisco properties whose assemblies need a certified tester from the city's accepted list.
  • Program phone: 415-551-4720
Local signals

Signals that matter before you act

  • San Francisco publishes a real certified tester list.
  • The list includes direct tester contact information.
  • This route is stronger as a high-intent approved-tester page than as a generic city explainer.
Workflow

San Francisco workflow order

  1. Confirm the property needs a certified backflow test.
  2. Use the official SF.gov tester list.
  3. Schedule the inspection or test with a certified company.
  4. Stay inside the utility's accepted reporting path.