International Residential Code

Aberdeen has adopted the 2018 Edition of the International Building Code (IRC), by Chapter 51-51 WAC, and the IRC Appendices B, C, F, and G.

• Section R105.2 of Chapter 1, exemption from permits item 1, is amended to read as follows: One-story detached accessory structures used as tool and storage sheds, playhouses, and similar uses, providing the floor area does not exceed 128 square feet (11.89 square meters);
• Section R105.2 of Chapter 1, exemption from permits item 10 (decks under 200 square feet and 30 inches above grade), is excluded and not adopted;
• Section R105.3.1.1 of Chapter 1 is excluded and not adopted;
• Chapter 11 and Chapters 25 through 42 are excluded and not adopted.