Boise Home Addition Permits 2026
Boise home addition permit fees, plan review, and required inspections for 2026.
Boise Home Addition permit basics
- Building department: City of Boise Planning and Development Services, Building Division
- Department URL: https://www.cityofboise.org/departments/planning-and-development-services/building/
- Permit fee typical: $400 - $3,500 permit fee
- Plan review + approval: generally 2 to 5 business days for residential inspections
- Inspections required: 6-12 inspections (footing, framing, electrical, plumbing, mechanical, insulation, drywall, final)
Boise Home Addition common issues
Setback compliance, FAR (floor-area ratio), structural review required, sewer/water capacity may need upgrade.
Boise-specific permitting context
Boise permits and licenses run through an Accela-powered portal, with building questions handled at (208) 608-7070 and planning at (208) 608-7100. The foothills and Boise River floodplain add slope, drainage, and flood-elevation review that flatter valley lots avoid.
Climate factors: A high-desert steppe climate with cold snowy winters, hot dry summers, and large day-to-night temperature swings that put a premium on insulation, heating, and freeze-protected plumbing.
Idaho licensing for Home Addition contractors
Idaho Contractors Board (Idaho Division of Building Safety) - required: $70 (initial) + $5K bond. Board: https://dbs.idaho.gov.
Mechanics lien deadline in Idaho: 90 days from completion or last work. Preliminary notice: Not required for direct contractors; subs need to record claim within 90 days.
Boise Home Addition sales tax
Idaho sales tax: 6% (limited local addition). Real property labor exempt. Resort city taxes add additional local tax in Sun Valley, McCall.
Verify with the Idaho State Tax Commission.
Track Boise permits with KaamCam
KaamCam jobs have built-in permit tracking - permit number, date issued, inspection schedule, and inspector contact. Auto-reminders before each inspection date. $12 per seat per month. Start a free 7-day trial.