2018 International Building Code (includes the 2018 International Existing Building Code, 2018 International Swimming Pool and Spa code, and 2009 ICC/ANSI A117.1)
2018 International Residential Code
2018 International Mechanical Code (includes the 2018 International Fuel Gas Code, 2017 Liquefied Petroleum Gas Code (NFPA 58), and 2018 National Fuel Gas Code (NFPA 54) as it applies to LP Gas installations
2018 International Fire Code
2018 Uniform Plumbing Code
2018 Washington State Energy Code
National Electrical Code (NFPA 70) -- Please see the Department of Labor and Industries for information on the adoption and amendment of the National Electrical Code.