2021 (October 10, 2023 draft)
2018
2015
2012
2009 WSEC - Chapters 1 through 10 (single-family residential)
2009 WSEC - Chapters 11 through 15 (multi-family and non-residential)
2006
2004 (2nd edition)
2003 (2nd edition)
2003
2001
2000
1997
1994
1991
1986
1984
1980