Adopted Codes

The City has adopted the following Building Codes. If you click on the following links, it will take to you to the local amendments:

Foster City's designed criteria:

Current Building Code and Design Criteria

  • Climate Zone: 3
  • Seismic Design Category: E
  • Risk Category: II
  • Basic Wind Speed: 95 mph
  • Building Exposure: C and D (D Most Severe)
  • Soil Bearing Value: 1200 psf (Anything more will require a soils/geology report)

Earthquake zones of required investigation: CGS Maps