Bathroom Remodel 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

Population: 803,876 Code: 2022 CBC Verified: 2026-03-21 4 local rules

When you DON'T need a permit

Cosmetic bathroom renovations do not require a permit in San Francisco, CA.

Source: San Francisco Building Code / CBC Title 24

When you DO need a permit

Moving plumbing fixtures requires permits in San Francisco, CA.

Estimated fee: $225 – $750

Typical timeline: About 3 weeks

Source: San Francisco Building Code / CBC Title 24

Adding a new bathroom requires multiple permits in San Francisco, CA.

Estimated fee: $450 – $1,500

Typical timeline: About 4 weeks

Source: San Francisco Building Code / CBC Title 24

Bathroom renovations involving wall removal require a permit in San Francisco, CA. Seismic considerations apply.

Estimated fee: $300 – $900

Typical timeline: About 3 weeks

Source: San Francisco Building Code / CBC Title 24

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Building Department Contact

NameDepartment of Building Inspection (DBI)
Address49 South Van Ness Ave., San Francisco, CA 94103
HoursMon 9am-5pm, Tue-Fri 8am-5pm

Frequently Asked Questions

Estimated permit fees for Bathroom Remodel projects in San Francisco, CA range from $225 – $750. Fees vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller Bathroom Remodel 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 Bathroom Remodel permits in San Francisco is About 3 weeks. More complex projects may take longer if plan review is required.

Learn More About Bathroom Remodel Permits

Read our complete guide covering permit requirements, costs, common exemptions, and the application process.

Read Bathroom Remodel Guide →

Estimate your permit fees →

Disclaimer: This information was last verified on 2026-03-21. Building permit requirements may change. Zoning requirements (setbacks, lot coverage, height limits) are separate and vary by location. Always confirm with your local building and planning departments before starting your project. PermitMint provides general guidance, not legal advice.