Code adoption
Washington code adoption
This page lists, for Washington, the edition of each of the six codes the map tracks, when it took effect, and how it was checked. Washington is one of the 30 states researched from their own records so far. Data as of .
Every code in Washington
| Code | Edition in force | In force since | How it was checked |
|---|---|---|---|
| NECNational Electrical Code (NFPA 70) | 2023 NEC | Verified | |
| IBCInternational Building Code | 2021 IBC | Verified | |
| IRCInternational Residential Code | 2021 IRC | Verified | |
| IFCInternational Fire Code | 2021 IFC | Verified | |
| IECC residentialInternational Energy Conservation Code, residential | 2021 IECC | Verified | |
| IECC commercialInternational Energy Conservation Code, commercial | 2021 IECC | Verified |
How these values were checked
- Verified6 codesTwo separate readings of the state’s own record agree, and the passage is on file word for word.