Building Permits in Foster City, California
Adopted Construction Codes
These are the state-level code editions for California. They apply in Foster Cityunless a verified local adoption or amendment is noted — in local-adoption states, confirm the city or county's own code editions with the building department.
Permit Requirements
Building Department
Apply online — Foster City permit portal ↗
Permit fee schedule ↗ · fee schedule checked August 2026
Building permit fees are valuation-based per the citywide Master Fee and Service Charges Schedule, using tiered base fees plus per-$1,000 increments by valuation bracket.
Get a plain-English answer grounded in this page’s verified data — e.g. “Do I need a permit for a 180 sq ft shed in Foster City?”
Ask Code AI →Get a printable permit report for any address — jurisdiction, adopted codes, exemption rules, and who to call, on one page.
Get an Address Report →