2021 Washington State Plumbing Code
2021 Uniform Plumbing Code Insert Pages 2nd Printing (updated on 04/04/2024 with EPCA changes to energy code)
2021 Uniform Plumbing Code Insert Pages 1st Printing (updated on 5/11/2023)
- Includes adoption of Appendices A, B, I and M
- Effective March 15, 2024
2018 Washington State Plumbing Code
2018 Uniform Plumbing Code Insert Pages 4th Printing (updated on 10-28-2021)
- Includes adoption of Appendices A, B and I
- Effective February 1, 2021
2015 Washington State Plumbing Code
2015 Uniform Plumbing Code Insert Pages
- Includes adoption of Appendices A, B and I
- NOTE: See also WSEC Section C404 for additional piping requirements
- Effective July 1, 2016
2012 Washington State Plumbing Code
2012 Uniform Plumbing Code Insert Pages
- Includes adoption of Appendices A, B and I
- Effective July 1, 2013
2009 and Older Washington State Plumbing Code
2009 Uniform Plumbing Code Insert Pages
- Includes adoption of Appendices A, B and I
- Effective July 1, 2010
2006 Uniform Plumbing Code Insert Pages
- Includes adoption of Appendices A, B and I
- Effective July 1, 2007
2003 Uniform Plumbing Code Insert Pages
- Includes adoption of Appendices A, B and I
- Effective July 1, 2004