Unincorporated Butte County

A building permit is required for all construction in unincorporated Butte County.

Note: No specific exemptions documented. Applicants should confirm with Butte County Planning & Zoning Department for minor work or edge cases.

Building code

Idaho Building Code (2018 IBC/IRC with Idaho amendments) via Butte County Ordinance No. 2004-02.

Contractor requirements

Idaho Contractors Registration Act: Contractors charging $2,000+ for work improving property must register with DOPL. Registration number must be displayed at job site, on building permits, and in contracts within 60 days. Minimum liability insurance $300,000; workers' compensation insurance required if employing others. Penalties for non-compliance: up to $1,000 fine or 6 months county jail.

1. 01
   Contact Butte County Planning & Zoning Department for pre-application consultation to discuss project requirements and zoning compliance.
2. 02
   Complete the Building Permit Application form and prepare two (2) copies of all construction documents.
3. 03
   Include site plan showing property boundaries and proposed building location, architectural plans, specifications, and engineering calculations as applicable.
4. 04
   Submit application online via Accela Citizen Access portal (preferred, available 24/7), or mail/deliver in person to county office.
5. 05
   County staff performs administrative and technical review for compliance with Idaho Building Code (2018 IBC/IRC) and local zoning ordinances.
6. 06
   Applicant may be required to address deficiencies and submit revised plans.
7. 07
   Upon approval and fee payment, building permit is issued and becomes effective.

Typical processing time: Varies; contact county for estimated timeframe.

Source: Butte County Planning & Zoning Department ↗

• Contact Butte County Planning & Zoning Department (phone)
• Accela portal (online)

Typical sequence: Standard inspections: foundation/site preparation, framing (structural), electrical rough-in, plumbing rough-in, HVAC rough-in, final inspection/Certificate of Occupancy. DOPL-licensed regional inspectors conduct electrical, plumbing, and HVAC inspections in unincorporated areas (Blackfoot DOPL office serves Butte County).