TOPIC
Building permits
Building code, permits, and inspections.
Apply for permitsThe Department of Building Inspection (DBI) reviews every building permit application for life safety and building code compliance.
Apply for permitsThe Department of Building Inspection (DBI) reviews every building permit application for life safety and building code compliance.
Do constructionOnly start work after permit issuance.
Do constructionOnly start work after permit issuance.
Pass inspectionsInspectors check the work for code compliance and permit scope.
Pass inspectionsInspectors check the work for code compliance and permit scope.
Services
Simple projects (over-the-counter permits)
Projects eligible for an Over-the-Counter (OTC) permit
Apply for your permit through Over-the-Counter (OTC) Review for faster approval of routine projects.
Get an over-the-counter permit for your interior residential remodel
Follow these instructions for projects like kitchen, bath, and other interior residential remodels.
Get an over-the-counter permit for your exterior residential project
Follow these instructions for doors, windows, reroofing, decks, fences, and other common exterior projects.
Get an over-the-counter permit for your commercial project
Follow our instructions to comply with our commercial construction requirements to get your building permit.
Complex projects (in-house review)
Get a building permit with In-House Review
You must have a building permit to do construction. Follow these steps for In-House Review permit applications.
Schedule a pre-application meeting
Optional: Meet with DBI or Fire Department staff to review code issues before you apply for a building permit.
Accessory Dwelling Unit (ADU)
Add accessory dwelling units (ADUs), in-law units, or cottages to residential properties.
Other services

Permit Center
We are open for in-person building permit services. See critical visit info and current wait times.See hours and wait timesResources
Current San Francisco building codes
Find the building codes that apply to your permit application. If you file on or after January 1, 2026, you must use the 2025 California Codes and the 2025 San Francisco Code Amendments. There is no grace period.
Fire Department plan check information
The Fire Department reviews plans for buildings with 3 or more residential units.
Water, power, sewer, and stormwater requirements
Follow these requirements to protect our water, energy efficiency, and sewer system function.