2021 Seattle Code Adoption - Project Documents

Project Documents

Below are the proposed changes to the 2024 Seattle Construction Codes. These documents only include code sections that are currently amended or proposed to be amended by the City of Seattle or the state of Washington. To view the unamended portions of a particular code, please visit the International Code Council's website for the free online versions of the codes.  

See the links below for current drafts of the 2024 Seattle Construction Codes:

• Building Code
  • 2024 International Building Code Significant Changes
  • 2024 SMC Proposed Seattle and Washington State Changes
  • CR102 State of Washington Changes Not Previously Covered (State of Washington Existing Amendments Report)
  • Appendix T - Single Exit Provisions for Multifamily up to six stories
  • Appendix S - Embodied Carbon Access
• Residential Code, Appendix WD - Multiplex Buildings
• Draft Directors Rule 7-2026, Sprinkler Systems and Fire Alarms for Elevator Machine Rooms, Control Rooms, Machinery Spaces, Hoistways and Pits in Existing Buildings