📋 Washington Permit Overview
| Detail | Info |
|---|---|
| NEC Edition | 2023 |
| IRC Edition | 2021 |
| Permit Authority | Statewide. Washington State Building Code Council. |
| Statewide Code | Yes |
| Licensing Board | https://lni.wa.gov/licensing-permits |
⚠️ Key Things to Know About Permitting in Washington
- Update scheduled for May 2026 — new codes coming
- Seismic zone (Pacific Northwest) — seismic requirements for all work
- Seattle: Seattle DCI (Department of Construction and Inspections) — known for thorough inspections
- Seattle permit times: moderate to slow (2–4 weeks for complex work)
- WA Electrical License required (EL01A/EL02A). Plumbing license from LNI.
- Strong energy code (WSEC) — HVAC replacements must meet efficiency minimums
- EV charger infrastructure: WA leading state for EV adoption
📍 Cities in Washington — Permit Guides
📍 Seattle
Seattle Department of Construction & Inspections (SDCI)
📍 Spokane
City of Spokane Building & Planning
📍 Tacoma
City of Tacoma Planning & Development Services
📍 Vancouver
City of Vancouver Community Development
🔨 Permit Guides by Trade — Washington
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