SBCC - State Building Code

The Washington State Building Code is comprised of several different codes. Most are national model codes adopted by reference and amended at the state level. Others, such as the Washington State Energy Code, are state-written state-specific codes.

Only the state amendments and state-written codes are available on this website for viewing and download. For information on purchasing the base model codes or hard copies of the state amendments, see the Ordering Information page. The International model codes may be viewed through the following site: https://codes.iccsafe.org/public/collections/I-Codes
The Uniform Plumbing Code can be viewed here: http://epubs.iapmo.org/UPC/

Printing Instructions: The following amendments are formatted as insert pages to the first edition of the codes. They are meant to be printed as two-sided documents and contain the appropriate blank pages to print across from the amended page.

The amendments may also be viewed in html format (as a single, unformatted document) on the legislative website here: https://app.leg.wa.gov/wac/default.aspx?cite=51

Please Note: The download links on this website work best with Explorer as your browser. PDF files may not open properly when using Chrome or Firefox. If you experience trouble opening a file, right click on the link and save the file; you can then go in and manually change the file extension back to .pdf and the file will open.

	Building Code Amendments
	2015 International Building Code (Includes adoption of Appendix E and ICC/ANSI A117.1-2009, and the 2015 International Existing Building Code and International Swimming Pool and Spa Code) 2015 IBC 2nd Edition with changes effective July 1, 2019 EMERGENCY RULE INSERT/REPLACEMENT PAGES: Changes effective 7/1/19 - Replacement Pages Group E Emergency Voice Alarms - Section 907.2.3 (effective July 1, 2016) NOTE: Also applies to the 2012 IBC/IFC, effective May 17, 2016
	2012 International Building Code (Includes adoption of Appendix E and ICC/ANSI A117.1-2009, and the 2012 International Existing Building Code) EMERGENCY RULE INSERT/REPLACEMENT PAGES: Group E Plumbing Fixtures - Section 2902 (Effective May 16, 2014) Carbon Monoxide Alarms -Section 908.7 (Effective April 1, 2014) Ventilation - Section 1203 (Effective Dec. 1, 2013) Errata page for 1st Printing (Before May 8, 2012) Effective July 1, 2013 Errata page - Section 908.7 (October 2013) Errata page - Section 1018.6 - exception 2.2
	2009 International Building Code (Includes amendments effective July 1, 2011) (Includes adoption of Appendix E and ICC/ANSI A117.1-2003, and the 2009 International Existing Building Code) Effective July 1, 2010 CO Alarm Rules (IBC) effective April 1, 2012			Interpretations
	2006 International Building Code (Includes adoption of Appendix E and ICC/ANSI A117.1-2003) Effective July 1, 2007
	2003 International Building Code (Includes adoption of Appendix E and ICC/ANSI A117.1-1998 effective through 6/05 and ICC ANSI A117.1-2005 effective 7/1/05) Effective July 1, 2004
	Residential Code Amendments
	2015 International Residential Code (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 with changes effective July 1, 2019 INSERT/REPLACEMENT PAGES: Changes effective 7/1/19 - Replacement Pages
	2012 International Residential Code (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 International Residential Code (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			Interpretations
	2006 International Residential Code (Includes adoption of Appendices F and G; Chapters 11 and 25 through 42 are not adopted) (Effective April 1, 2008)
	2003 International Residential Code ( Chapters 11 and 25 through 42 are not adopted) (Effective July 1, 2004)
	Mechanical Code Amendments
	NEW! 2015 International Mechanical Code (2nd Printing) (Includes adoption of 2015 International Fuel Gas Code, 2014 NFPA 58 & 2014 NFPA 54) Effective July 1, 2016 (with updates effective Oct. 1, 2017)
	2012 International Mechanical Code (Includes adoption of 2012 International Fuel Gas Code, 2011 NFPA 58 & 2012 NFPA 54) Effective July 1, 2013
	2009 International Mechanical Code (Includes adoption of 2009 International Fuel Gas Code, 2008 NFPA 58 & 2009 NFPA 54) Effective July 1, 2010			Interpretations
	2006 International Mechanical Code (Includes adoption of 2004 NFPA 58 & 2006 NFPA 54) (Effective July 1, 2007)
	2003 International Mechanical Code (Includes adoption of 2001 NFPA 58 & 2002 NFPA 54) (Effective July 1, 2004)
	Fire Code Amendments
	NEW! 2015 International Fire Code 2nd Edition, Effective July 1, 2016 with amendments effective May 1, 2017 and October 1, 2017 Includes Appendix N for pre-approved local adoption of the 2015 WUIC 2015 IFC 3rd Edition with changes effective July 1, 2019 EMERGENCY RULE INSERT/REPLACEMENT PAGES: Changes effective 7/1/19 - Replacement Pages Group E Emergency Voice Alarms - Section 907.2.3 (effective May 17, 2016) NOTE: Emergency rule was superseded by the permanent rule as of 10/1/17
	2012 International Fire Code Effective July 1, 2013 Includes Appendix K for pre-approved local adoption of the 2012 WUIC EMERGENCY RULE - INSERT/REPLACEMENT PAGES: Marijuana extraction systems./Section 105.6.47 - Operational permit, and Marijuana extraction systems/Section 105.7.17 - Construction permit (one page) Chapter 38: Marijuana processing or extraction facilities Solar photovoltaic power systems/Section 605.11 - Amendments (Permanent Rule Effective April 1, 2014) Insert Pages for Section 908.7 and Section 1103.9 Carbon monoxide alarms (Permanent Rules Effective April 1, 2014) Emergency Voice Alarm Systems/Section 907.2.3 Group E (Emergency Rule Effective April 1, 2014) Clusters and School Portables/Definitions: Chapter 2: Definitions (Emergency Rule Effective March 14, 2014) Group E Sprinklers/Section 903.2.3 (Emergency Rule Effective March 14, 2014) Group E Emergency Drills (Effective November 1, 2013)
	2009 International Fire Code (corrected copy June 9, 2010; with changes to Index & pages 51, 114, 125, 405; and June 21, 2010, with changes to pages 80, 94 and 119) Effective July 1, 2010 CO Alarm Rules (IFC Chapter 9) effective April 1, 2012 CO Alarm Rules (IFC Chapter 46) effective April 1, 2012			Interpretations
	2006 International Fire Code (Effective July 1, 2007)
	2003 International Fire Code (Effective July 1, 2004)
	Plumbing Code Amendments
	2015 Uniform Plumbing Code (Includes adoption of Appendices A, B and I) NOTE: See also WSEC Section C404 for additional piping requirements Effective July 1, 2016
	2012 Uniform Plumbing Code (Includes adoption of Appendices A, B and I) Effective July 1, 2013
	2009 Uniform Plumbing Code (Includes adoption of Appendices A, B and I) Effective July 1, 2010			Interpretations
	2006 Uniform Plumbing Code (Includes adoption of Appendices A, B and I) (Effective July 1, 2007)
	2003 Uniform Plumbing Code (Includes adoption of Appendices A, B and I) (Effective July 1, 2004)
	Energy Code
	2015 Washington State Energy Code NEW! WAC 51-11C (Commercial) 3rd Edition, effective July 1, 2019 Insert/Replacement pages only WAC 51-11C (Commercial) 2nd Edition, 2nd Printing (with updates Effective October 1, 2017) WAC 51-11R (Residential) (4th Printing) (with updates Effective October 1, 2017) Appendix Chapters (2nd printing) WAC 51-11C (Commercial) WAC 51-11R (Residential) (2nd printing) Appendix Chapters Based on the 2015 IECC; "Residential" includes One- and Two-family dwellings, Townhouses and Group R-2 and R-3 buildings three stories or less "Commercial" includes all buildings not covered under "Residential" (Effective July1, 2016)
	2012 Washington State Energy Code WAC 51-11C (Commercial) 2nd Printing (Errata pages for first printing - before July 15) WAC 51-11R (Residential) 2nd Printing (Errata pages for first printing- before July 15) Appendix Chapters 2nd Printing (Errata page for first printing-before Sept 9) Based on the 2012 IECC; "Residential" includes One- and Two-family dwellings, Townhouses and Group R-2 and R-3 buildings three stories or less "Commercial" includes all buildings not covered under "Residential" (Effective July1, 2013)
	2009 Washington State Energy Code Chapters 1 through 10 (Single-Family Residential) Chapters 11 through 15 (Multi-Family and Non Res) Includes RS 29 - Nonresidential Building Design by Systems Analysis Note: See Ch 1-10 for Table of Contents, Definitions, and Default Tables (Effective January 1, 2011)			Interpretations
	2006 Washington State Energy Code RS 29 - Nonresidential Building Design by Systems Analysis (Effective July 1, 2007)
	2004 Washington State Energy Code (Effective July 1, 2005) (See 2003 WSEC for RS 29)
	2003 Washington State Energy Code RS 29 - Nonresidential Building Design by Systems Analysis (Effective July 1, 2004)
	Ventilation Code
	(VIAQ Code is now superseded by requirements in the International Mechanical Code and International Residential Code)
	2006 Washington State Ventilation & Indoor Air Quality Code (Effective July 1, 2007) Note: This code will be repealed as of July 1, 2010. The requirements formerly found in this WAC are now incorporated into the IMC and IRC			Interpretations
	2003 Washington State Ventilation & Indoor Air Quality Code (Effective July 1, 2004)
	Historic Code
	(The Historic Code is now superseded by the International Existing Building Code)
	1991 Washington State Historic Building Code