Garage / Carport 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
Small detached structures (120 sq ft or less) may be exempt in San Francisco, CA.
Source: San Francisco Building Code / CBC Title 24
When you DO need a permit
Attached garages require a building permit in San Francisco, CA.
Estimated fee: $600 – $2,250
Typical timeline: About 4 weeks
Source: San Francisco Building Code / CBC Title 24
Garage-to-ADU conversions are streamlined under CA AB 68/SB 13 in San Francisco, CA.
Estimated fee: $450 – $1,800
Typical timeline: About 4 weeks
Source: San Francisco Building Code / CBC Title 24
Carports require a building permit in San Francisco, CA. Carports are considered new structures and must comply with zoning setbacks. Open sides may be required to qualify as a carport rather than a garage.
Estimated fee: $360 – $1,350
Typical timeline: About 3 weeks
Source: San Francisco Building Code / CBC Title 24
Detached garages over 120 sq ft require a building permit in San Francisco, CA. Must comply with accessory structure setbacks and lot coverage limits.
Estimated fee: $510 – $1,910
Typical timeline: About 4 weeks
Source: San Francisco Building Code / CBC Title 24
Detached garages and carports may require zoning approval for setback and lot coverage compliance. Garage conversions to living space may trigger zoning occupancy requirements.
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Frequently Asked Questions
Estimated permit fees for Garage / Carport projects in San Francisco, CA range from $600 – $2,250. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Garage / Carport 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 Garage / Carport permits in San Francisco is About 4 weeks. More complex projects may take longer if plan review is required.
Learn More About Garage / Carport Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Garage / Carport Guide →