2021 Edition of the International Building Code (IBC) as published by the International Code Council (ICC), hereafter IBC, including the 2021 International Existing Building Code (IEBC), adopted in accordance with Washington Administrative Code (WAC), Chapter 51-50; including IBC Sections 101 through 112, including IBC Appendix Chapters, C (Agricultural Buildings), G (Flood Resistant Construction), H (Signs) and J (Grading). Excluding IBC, Chapter 1, subsection 101.4.3 (Plumbing) and 101.4.6; excluding Sections 113 through 116; excluding Appendix Chapter H, Section H106 (Electrical for Signs).

2021 Edition of the International Residential Code for One- and Two-Family Dwellings as published by the International Code Council (ICC), hereafter the IRC, as adopted in accordance with Washington Administrative Code (WAC) Chapter 51-51. Excluding IRC, Chapter 11, Energy Efficiency regulations pursuant to WAC 51-11R and Chapters 25 through 43, Plumbing and Electrical Provisions regulated pursuant to WAC 51-56 and WAC 296-46B excluding section R112, board of appeals.

2021 Edition of the International Fire Code as published by the International Code Council (ICC) hereafter the IFC, as adopted in accordance with Washington Administrative Code (WAC) Chapter 51-54A; including Appendix Chapters, C (Fire Hydrant Locations and Distribution), F (Hazard Ranking), G (Cryogenic Fluids), H (Hazardous Materials Management Plan), I (Fire Protection Systems—Non-Compliant Conditions).

2021 Edition of the International Mechanical Code as published by the International Code Council (ICC), hereafter the IMC, as adopted in accordance with Washington Administrative Code (WAC) Chapter 51-52, including the 2021 International Fuel Gas Code, 2021 National Fuel Gas Code-National Fire Protection Association (NFPA) 54, and the 2020 Liquified Petroleum Gas Code-NFPA 58. Excluding IMC Section 113 through 116.

2021 Edition of the Uniform Plumbing Code as published by the International Association of Plumbing and Mechanical Officials (IAPMO), hereafter the UPC, as adopted in accordance with Washington Administrative Code (WAC) Chapter 51-56. Excluding Chapter 1, Section 107.

1997 Edition of the Uniform Code for the Abatement of Dangerous Buildings as published by the International Conference of Building Officials. Excluding Section 205.1 Board of Appeals.

2021 Edition of the International Energy Conservation Code as published by the International Code Council (ICC), herein after the Washington State Energy Code (WSEC) as adopted by the Washington Administrative Code (WAC) 51-11R (Residential) and 51-11C (Commercial).