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§ 02
When a permit is required
Permit triggers and exempt work for Jerome County
Building permits are required for new structures, additions, alterations, attached decks or porches, elevated structures (over 30 inches), and structures exceeding 200 square feet.
Minor repairs
Detached accessory structures 200 square feet or less (if not attached)
Fences under certain height requirements
Sheds under 120 square feet
Agricultural buildings (require Zoning Permit and AG Siting Permit only)
- Exempt Minor repairs
- Exempt Detached accessory structures 200 square feet or less (if not attached)
- Exempt Fences under certain height requirements
- Exempt Sheds under 120 square feet
- Exempt Agricultural buildings (require Zoning Permit and AG Siting Permit only)
Note: Contact Jerome County Building Department to confirm whether specific projects qualify for exemptions. Zoning compliance required for all work.
Required documents
- Completed building permit application form
- Floor plans
- Foundation plans
- Structural plans
- Framing plans
- Mechanical, electrical, and plumbing (MEP) plans
- Site plan/map
- Fire Department letter (if project exceeds 150 feet from main road)
- Proof of access road meeting Fire Department standards
- Building code
- 2018 International Residential Code (IRC) with Idaho amendments for residential; International Building Code (IBC) with Idaho amendments for commercial.
- Permit validity
- Permit valid for 180 days from issuance. Work must commence within this period; if suspended or abandoned for 180 days, permit becomes invalid.
- Owner-builder
- Owner-builders may apply directly; verify current requirements with Building Department.
- Contractor requirements
- Contractors must comply with Idaho Contractor Registration Act if project value exceeds $2,000 (materials + labor). Licensed electricians and plumbers required for respective trades.
§ 03
Application process
Typical processing: 5-10 business days for residential; 10-30 business days for commercial projects.
- 01 Complete Pre-submission Information Request with Planning & Zoning to confirm zoning compliance (recommended).
- 02 Prepare building permit application and required plans (floor plans, foundation, structural, framing, MEP, site plan).
- 03 Submit application in-person to Jerome County Building Department at 300 North Lincoln Ave.
- 04 Building Department conducts plan review and completeness check.
- 05 Applicant responds to review comments and submits revised plans if required.
- 06 Building permit is issued upon approval.
- 07 Schedule inspections through the Building Department as work progresses.
- 08 Obtain final inspection and permit sign-off upon project completion.
Typical processing time: 5-10 business days for residential; 10-30 business days for commercial projects.
§ 04
Fee schedule
Jerome County building permit fees
Fee type
Amount
01
Penalty (no permit)
Double permit fee if construction begins without permit.
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- (208) 324-9262 (phone)
- 300 North Lincoln Ave, Jerome, ID 83338 (in-person)
- Inspection hours
- Monday–Friday, 8:30 a.m.–5:00 p.m.
Typical sequence: Required inspections: foundation, framing, mechanical systems, electrical systems, plumbing systems, insulation, and final inspection.
§ 06
Frequently asked
Common questions about unincorporated Jerome County permits
01 Do I need a building permit in unincorporated Jerome County, ID? ▸
Building permits are required for new structures, additions, alterations, attached decks or porches, elevated structures (over 30 inches), and structures exceeding 200 square feet.
02 How do I apply for a building permit in unincorporated Jerome County, ID? ▸
To apply for a building permit in unincorporated Jerome County, ID, follow these steps: 1. Complete Pre-submission Information Request with Planning & Zoning to confirm zoning compliance (recommended). 2. Prepare building permit application and required plans (floor plans, foundation, structural, framing, MEP, site plan). 3. Submit application in-person to Jerome County Building Department at 300 North Lincoln Ave. 4. Building Department conducts plan review and completeness check. 5. Applicant responds to review comments and submits revised plans if required. 6. Building permit is issued upon approval. 7. Schedule inspections through the Building Department as work progresses. 8. Obtain final inspection and permit sign-off upon project completion.
03 How long does it take to get a building permit in unincorporated Jerome County, ID? ▸
Building permit processing times in unincorporated Jerome County, ID typically run 5-10 business days for residential; 10-30 business days for commercial projects.. Timelines can vary based on project complexity and current department workload.
04 What work is exempt from building permits in unincorporated Jerome County, ID? ▸
Not all construction work requires a permit in unincorporated Jerome County, ID. The following work is generally exempt: Minor repairs; Detached accessory structures 200 square feet or less (if not attached); Fences under certain height requirements; Sheds under 120 square feet; Agricultural buildings (require Zoning Permit and AG Siting Permit only). Note: Contact Jerome County Building Department to confirm whether specific projects qualify for exemptions. Zoning compliance required for all work. When in doubt, confirm with the local building department before starting work.
05 How do I schedule a building inspection in unincorporated Jerome County, ID? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Jerome County, ID via: (208) 324-9262, 300 North Lincoln Ave, Jerome, ID 83338.
last verified April 2026
source Jerome County Building Department ↗
entry id permits/idaho/jerome/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Jerome County Building Department before applying. Jaspector is not legal advice.