Plumbing Work Permit Requirements in San Francisco, CA
SF uses California Building Code (CBC Title 24). Seismic Zone 4 requirements. Soft-story retrofit program. Historic districts require additional review. PermitSF initiative expanding online services. Email: dbicustomerservice@sfgov.org
When you DON'T need a permit
Replacing a plumbing fixture in-kind does not require a permit in San Francisco, CA.
Source: San Francisco Building Code / CBC Title 24
When you DO need a permit
Adding a plumbing fixture requires a permit in San Francisco, CA.
Estimated fee: $113 – $450
Typical timeline: About 2 weeks
Source: San Francisco Building Code / CBC Title 24
Rerouting plumbing requires a permit in San Francisco, CA.
Estimated fee: $150 – $600
Typical timeline: About 3 weeks
Source: San Francisco Building Code / CBC Title 24
Water heater replacement requires a plumbing permit in San Francisco, CA. Seismic strapping required.
Estimated fee: $75 – $300
Typical timeline: 5 business days
Source: San Francisco Building Code / CBC Title 24
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Frequently Asked Questions
Estimated permit fees for Plumbing Work projects in San Francisco, CA range from $113 – $450. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Plumbing Work projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in San Francisco can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Plumbing Work permits in San Francisco is About 2 weeks. More complex projects may take longer if plan review is required.
Learn More About Plumbing Work Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Plumbing Work Guide →