Washington
For Washington, chart as of is January 2024; ibc edition is 18; irc edition is 18; ifc edition is 18; imc edition is 18, verified against its source on 2026-08-31.
- State or territory
- Washington verified
- Chart as of
- January 2024
- IBC edition
- 18 verified
- IRC edition
- 18 verified
- IFC edition
- 18 verified
- IMC edition
- 18 verified
- IPC edition
- X verified
- IFGC edition
- 18 verified
- IgCC edition
- X verified
- IPMC edition
- X verified
- IEBC edition
- 18 verified
- ISPSC edition
- 18 verified
- ICCPC edition
- X verified
- IWUIC edition
- 18 verified
What the source says
Washington 18 18 18 18 X 18 X 18 18 X 18 18 X 18
— iccsafe.org, retrieved 2026-08-31
Source
- iccsafe.orghttps://www.iccsafe.org/wp-content/uploads/Master-I-Code-Adoption-Chart-1.pdf