Adopted Codes

2021 WA Code Implementation Delay

On May 24, 2023 the State Building Code Council voted to delay the implementation of the 2021 Washington State Building Codes under emergency rule for 120 days starting on June 30, 2023.  

Building Department Codes


The State of Washington has adopted and amended the following building construction codes, effective July 1, 2023:  

The enforcement date has been delayed 120 Days from June 30, 2023.

  • 2021 International Building Code
  • 2021 International Residential Code
  • 2021 International Mechanical Code
  • 2021 Uniform Plumbing Code
  • 2021 International Fire Code
  • 2021 Washington State Energy Codes
  • 2019 NFPA Standard 72
  • 2019 NFPA Standard 13, 13-D, and 13-R

The State of Washington has adopted and amended the following building construction codes, effective until June 30, 2023:

  • 2018 International Building Code
  • 2018 International Residential Code
  • 2018 International Mechanical Code
  • 2018 Uniform Plumbing Code
  • 2018 International Fire Code
  • 2018 Washington State Energy Code
  • 2016 NFPA Standard 72
  • 2016 NFPA Standard 13, 13-D, and 13-R

Online Link to International Codes with Washington State Amendments 
See Puyallup Municipal Code for local amendments. 

NOTE: Customers who submitted complete permit applications prior to February 1, 2021, will be reviewed per 2015 code requirements.

Design Requirements