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§ 02
When a permit is required
Permit triggers and exempt work for Twin Falls
A building permit is required for all construction, erection, movement, or repair of buildings within the City of Twin Falls.
Required documents
- Completed permit application
- Construction plans and specifications
- Energy compliance reports (MECcheck, COMcheck, or REScheck)
- Building code
- 2018 International Residential Code (Parts I-VI and IX with state amendments), 2018 International Energy Conservation Code (with Idaho State amendments), 2023 National Electrical Code (NFPA 70)
- Contractor requirements
- Contractors must register with the Idaho Contractors Board if project value exceeds $2,000.
§ 03
Application process
Application → plan check → issuance → inspection → final
- 01 Identify permit type: Commercial Building, Residential Building, Residential Remodel, Demolition/Relocation, or Manufactured Home.
- 02 Prepare construction documents and design criteria compliance reports (MECcheck, COMcheck, or REScheck for energy compliance).
- 03 Submit application and documentation to Building Safety Department online or in person.
- 04 Department reviews completeness and conducts plan review.
- 05 Applicant responds to review comments if required.
- 06 Pay permit fees and obtain permit issuance before starting work.
Source: Building Safety Department ↗
§ 04
Frequently asked
Common questions about Twin Falls permits
01 Do I need a building permit in Twin Falls, ID? ▸
A building permit is required for all construction, erection, movement, or repair of buildings within the City of Twin Falls.
02 How do I apply for a building permit in Twin Falls, ID? ▸
To apply for a building permit in Twin Falls, ID, follow these steps: 1. Identify permit type: Commercial Building, Residential Building, Residential Remodel, Demolition/Relocation, or Manufactured Home. 2. Prepare construction documents and design criteria compliance reports (MECcheck, COMcheck, or REScheck for energy compliance). 3. Submit application and documentation to Building Safety Department online or in person. 4. Department reviews completeness and conducts plan review. 5. Applicant responds to review comments if required. 6. Pay permit fees and obtain permit issuance before starting work.
last verified April 2026
source Building Safety Department ↗
entry id permits/idaho/twin-falls/twin-falls
Educational reference. Permit rules and fees change — confirm current requirements directly with Building Safety Department before applying. Jaspector is not legal advice.