- Washington State Building Code Council
- 2004 Liquefied Petroleum Gas Code
- 2005 National Electrical Code (NFPA 70)
- 2006 International Building Code
- 2006 International Fire Code
- 2006 International Mechanical Code
- 2006 International Residential Code
- 2006 National Fuel Gas Code
- 2006 Uniform Plumbing Code
- 2006 Washington State Energy Code
- 2006 Washington State Ventilation and Indoor Air Quality Code
- 2015 Washington State Energy Code
- ICC/ANSI A117.1-03, Accessible and Usable Buildings and Facilities, with statewide amendments
- The Washington State Historic Building Code (published in 1991)