2021 Washington State Residential Code
2021 International Residential Code Insert Pages (1st Printing May 2023)
2021 International Residential Code Insert Pages (2nd Printing, Posted 2/29/2024)
- Includes adoption of Appendices AF, AQ and AU
- Chapter 11 and Chapters 25 through 43 are not adopted
- Effective March 15, 2024
2018 Washington State Residential Code
2018 International Residential Code Insert Pages, 3rd Printing (November 2020)
Errata/Replacement Pages for 1st Printing
- Includes adoption of Appendices F, Q and U
- Chapter 11 and Chapters 25 through 43 are not adopted)
- Effective February 1, 2021
2015 Washington State Residential Code
2015 International Residential Code Insert Pages
- Includes adoption of Appendices F and Q
- Chapter 11 and Chapters 25 through 43 are not adopted)
- Effective July 1, 2016
2015 IRC 2nd Edition Insert Pages with changes effective July 1, 2019
Live Load Tables for Decks
INSERT/REPLACEMENT PAGES:
Changes effective 7/1/19 - Replacement Pages
2012 Washington State Residential Code
2012 International Residential Code Insert Pages
- Includes adoption of Appendices F and G
- Chapter 11 and Chapters 25 through 42 are not adopted
- Effective July 1, 2013
INSERT/REPLACEMENT PAGES:
- Ventilation/Section R408.1 (Effective Dec. 1, 2013)
- Townhouse Wall Separation/Section R302 (Effective April 1, 2014)
- Photovoltaic Solar Energy Systems/Section M2302 (Effective July 1, 2014)
2009 and Older Washington State Building Code
2009 International Residential Code Insert Pages
- Corrected copy June 23, 2010 with changes to pages 62, 70, 108, 167, 345
- Includes adoption of Appendices F and G
- Chapters 11 and 25 through 42 are not adopted
- Effective July 1, 2010
CO Alarm Rules (IRC) effective April 1, 2012
2006 International Residential Code Insert Pages
- Includes adoption of Appendices F and G
- Chapters 11 and 25 through 42 are not adopted
- Effective April 1, 2008
2003 International Residential Code Insert Pages
- Chapters 11 and 25 through 42 are not adopted
- Effective July 1, 2004