County Building Permits
Lemhi County, ID - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Lemhi County, Idaho. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
All properties in unincorporated Lemhi County areas outside incorporated cities and towns.
- Department
- Lemhi County Building Department
- Address
- 200 Fulton Street, Suite 204, Salmon, ID 83467
- Phone
- (208) 742-1703
Online Permit Portal
Platform: • Account required: No • Submission: In-person only
Additional resources:
Application Process
- Complete the building permit application form.
- Prepare required documentation including site plan, legal description, and project plans.
- Verify property compliance with setback requirements from roads, streams, creeks, rivers, and property lines.
- Submit application with all required documents to the Lemhi County Building Department.
- County staff reviews application for completeness and code compliance.
- Pay applicable permit fees upon approval.
- Obtain permit and commence construction.
Typical processing time: Processing times vary based on application completeness and project complexity. Contact the Building Department for estimated timelines.
Source: Lemhi County Building Department
General Requirements
A building permit is required before construction begins on any structure in unincorporated Lemhi County. All created parcels must be made conforming prior to permit issuance.
Required Documents
- Completed building permit application
- Site plan showing property setbacks and compliance with setback requirements
- Legal description of property
- Project plans and specifications
- Documentation of compliance with zoning requirements
- Building code
- Idaho Building Code (2018 IBC with amendments) and Idaho Residential Code (2020 IRC with amendments)
- Contractor requirements
- Contractors engaging in projects exceeding $2,000 (materials and labor) must register with the Idaho Contractors Board. Registration is separate from licensure but mandatory for legal contract enforcement.
Fees
- Payment note
- Contact the Building Department at (208) 742-1703 for current fee information.
Work That Does NOT Require a Permit
Contact the Lemhi County Building Department to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- (208) 742-1703 (phone)
Typical inspection sequence: Building inspections verify compliance with building codes, development standards, and setback requirements at various construction phases.
Additional Resources
- Building code: Idaho Building Code (2018 IBC with amendments) and Idaho Residential Code (2020 IRC with amendments)
- Verify contractor license: Idaho DOPL License Search
- Idaho Contractors Board
- Idaho DEQ Stormwater Permits
- Eastern Idaho Public Health - Septic
- License lookup guide: Idaho Contractor License Requirements
- Contract template: Idaho Homeowner-Contractor Agreement
- Idaho hub: Idaho Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Lemhi County Building Department before applying.
Frequently Asked Questions
Lemhi County Building Permit FAQ
- Do I need a building permit in unincorporated Lemhi County, ID?
- A building permit is required before construction begins on any structure in unincorporated Lemhi County. All created parcels must be made conforming prior to permit issuance.
- How do I apply for a building permit in unincorporated Lemhi County, ID?
- 1. Complete the building permit application form. 2. Prepare required documentation including site plan, legal description, and project plans. 3. Verify property compliance with setback requirements from roads, streams, creeks, rivers, and property lines. 4. Submit application with all required documents to the Lemhi County Building Department. 5. County staff reviews application for completeness and code compliance. 6. Pay applicable permit fees upon approval. 7. Obtain permit and commence construction.
- How long does it take to get a building permit in unincorporated Lemhi County, ID?
- Typical processing time is Processing times vary based on application completeness and project complexity. Contact the Building Department for estimated timelines..
- How do I schedule a building inspection in unincorporated Lemhi County, ID?
- Inspections can be scheduled via: (208) 742-1703.
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