King County · Pacific Northwest
Permit authorities in Sammamish, WA.
If you're a homeowner or contractor doing a project in Sammamish, here's who handles permits and inspections — fire, building, and electrical. Free reference, no signup.
Fire AHJ
Eastside Fire & Rescue / Sammamish
Handles fire-sprinkler systems, alarm permits, AFH retrofits, hood/duct, and fire-code plan review for the city limits of Sammamish.
City of Sammamish →Building AHJ
City of Sammamish — Community Development
Issues building permits for structural, mechanical (HVAC), plumbing, and most residential remodel scopes inside Sammamish city limits.
City of Sammamish →Common permit triggers in Sammamish
Projects that typically need a permit.
- Plateau residential new-construction
- Adult Family Home sprinkler retrofits
- 228th Avenue SE small-commercial
This is a starting list, not exhaustive. Confirm with the relevant AHJ above before beginning work — permit triggers and scopes change.
Nearby cities in King County
Other King County permit authorities.
Next step
About to hire a Sammamish contractor?
Run through our free 10-item pre-hire checklist before signing — WA L&I license, bond, insurance, references, payment terms.