San Francisco has one of the most active — and most complex — building permit systems in the country. With strict zoning, historic preservation rules, and high construction costs, every permit filing represents a serious commitment by the property owner.
For contractors, that makes SF permit data exceptionally valuable.
San Francisco's permit landscape
SF issues permits through the Department of Building Inspection (DBI). The city's open data portal (data.sfgov.org) publishes permit records including:
- Permit number and type — new construction, alterations, demolition
- Full address with street number, name, block, and lot
- Estimated cost and valuation — SF projects tend to be high-value
- Filing and issue dates — track the pipeline from application to issuance
- Existing use and construction type — know what's already on the site
SF's dataset is one of the most detailed in the country, with dozens of fields per permit.
Why SF permits are premium leads
San Francisco's average permit valuation is significantly higher than most cities. A "routine" kitchen remodel in SF might be valued at $80K–$150K. New construction? Often $500K+. ADU additions — which are booming due to recent zoning changes — range from $100K–$300K.
These are not small jobs. Every permit represents real revenue opportunity.
Key opportunities for SF contractors
ADU construction: San Francisco has made it easier than ever to build accessory dwelling units. ADU permits are a steady source of work for general contractors, electricians, and plumbers.
Seismic retrofit: Older SF buildings frequently require seismic upgrades. Track permits for structural work on pre-1978 buildings.
Solar installation: SF's CleanPowerSF program and California's solar mandate drive consistent solar permit volume.
Commercial tenant improvements: With office-to-residential conversions and new retail buildouts, commercial TI permits represent major project opportunities.
Tracking SF permits automatically
Checking the DBI website manually works if you have time. But if you want permits delivered to your inbox the moment they're filed, The Permit Sheet monitors SF's permit database every 10 minutes and sends you only the permits that match your criteria.
Set up free SF permit alerts — no credit card, no commitment.