Idaho permits
Do you need a permit in Idaho?
Idaho enforces the Idaho Residential Code (IRC-based) statewide through the Division of Building Safety, with local enforcement. Electrical, plumbing, and HVAC are state-licensed. Mountain and wildfire areas add review.
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These are statewide ranges. Get your exact Idaho cost for your zip code and project size.
Can a homeowner pull the permit?
Yes, in most cases. Owner-occupied primary residences. Licensed trades generally required for plumbing/electrical/HVAC on covered work.
Where to file: City or county building department, or the state Division of Building Safety in some areas. Boise, Meridian, Coeur d'Alene have portals. Plan review 1-3 weeks.
Permits by trade in Idaho
| Trade | When required | Citation | Typical fee | DIY? |
|---|---|---|---|---|
| Plumbing | In-wall work, fixtures, water heater, gas | ID DBS plumbing | $60-$225 | Conditional |
| Electrical | Circuits, panel, service, EV charger | ID DBS; NEC | $60-$225 | Conditional |
| Mechanical (HVAC) | Furnace/AC, ductwork, refrigerant | ID mechanical | $75-$250 | No |
| Building (structural) | Additions, structural mods, decks | Idaho Residential Code | $100-$700 | Yes |
| Roofing | Re-roofs, structural deck repair | Local | $75-$250 | Yes |
| WUI / wildfire | Foothill + forest interface zones | Local WUI | $100-$400 | Yes |
Hover a Conditional or No entry for the homeowner rule. Always confirm with your local building department, since requirements vary by jurisdiction.
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A Project Blueprint gives you the materials list, tool inventory, Idaho permit steps, and a step-by-step build sequence, calibrated to your zip. Human-reviewed before delivery.