How much does a building permit cost in Ammon, ID?

Fees are calculated as: Valuation-based. From Spring 2025 Fee Resolution (amendment 2025-002): Additional/partial inspections above minimum: $60 per hour; Penalty for commencing work without a permit: $500; Temporary Certificate of Occupancy (non-refundable): $1,000; Alternative energy system installation: 0.5% of project valuation, minimum $120.

How do I apply for a building permit in Ammon, ID?

1. Create account at https://www.blueprinceportal.com/login. 2. Submit permit application with required plans and documents through BluePrince portal, or in person at 2135 S. Ammon Road. 3. Plans examiner reviews for code compliance. 4. Pay fees through city fee payment process. 5. Permit issued. 6. Post permit on-site. 7. Schedule inspections by calling (208) 612-4020. 8. Pass required inspections. 9. Final inspection; certificate of occupancy issued.

How long does it take to get a building permit in Ammon, ID?

Typical processing time is Goal of 5 working days for residential; 14 working days for commercial..

What work is exempt from building permits in Ammon, ID?

The following work is generally exempt: Residential accessory structures under 200 sq ft may fall under Idaho state exemption thresholds, but local zoning rules and setback requirements still apply.; Routine maintenance and like-for-like replacement of minor finish components (painting, flooring, cabinets) generally do not require permits — confirm specific project with department.. Note: Thin data on Ammon-specific exempt work list. Contact permits@cityofammon.us or (208) 612-4021 to confirm exemptions for specific project types.

How do I schedule a building inspection in Ammon, ID?

Inspections can be scheduled via: (208) 612-4020.

City Building Permits

Ammon, ID - 2026 Building Permit Guide

How to apply for a building permit in Ammon, Idaho. Permit authority, application steps, fees, and inspection requirements.

Idaho Bonneville County Updated March 2026

Permit Authority

Covers properties within the incorporated city limits of Ammon only. Ammon is adjacent to Idaho Falls and has its own independent permit system.

Department: Building Department
Address: 2135 S. Ammon Road, Ammon, ID 83406
Phone: (208) 612-4021
Email: permits@cityofammon.us
Website: https://cityofammon.us/departments/building/

Online Permit Portal

Open BluePrince Permitting Portal

Platform: BluePrince • Account required: Yes • Submission: In-person only

Additional resources:

City of Ammon Building Dept

Application Process

Create account at https://www.blueprinceportal.com/login.
Submit permit application with required plans and documents through BluePrince portal, or in person at 2135 S. Ammon Road.
Plans examiner reviews for code compliance.
Pay fees through city fee payment process.
Permit issued.
Post permit on-site.
Schedule inspections by calling (208) 612-4020.
Pass required inspections.
Final inspection; certificate of occupancy issued.

Typical processing time: Goal of 5 working days for residential; 14 working days for commercial.

Source: Building Department

General Requirements

Required for construction, enlargement, alteration, repair, demolition, change of occupancy, and installation or replacement of mechanical systems. Lawn sprinkler installation also requires a permit.

Required Documents

Accessory buildings (checklist available)
Detached garage/shed specifications
ADU (accessory dwelling unit) requirements
Fencing
Solar arrays

Permit validity: Not published publicly; contact (208) 612-4021 for current rules.
Building code: 2018 International Building Code, 2018 International Residential Code, 2018 International Energy Conservation Code, 2018 International Mechanical Code, 2018 International Fuel Gas Code, 2018 International Existing Building Code, 2018 International Fire Code, 2018 Idaho State Plumbing Code, 2023 National Electrical Code (NEC). All codes subject to local amendments.
Owner-builder: Idaho state law allows homeowners to pull permits and perform work on their own primary or secondary residence. Contractors hired must pull permits in their own name.
Contractor requirements: Idaho state contractor registration required for projects $2,000+ in labor and materials. Specialty trades require separate state licensing through Idaho DBS.

Fees

Permit fee formula: Valuation-based. From Spring 2025 Fee Resolution (amendment 2025-002): Additional/partial inspections above minimum: $60 per hour; Penalty for commencing work without a permit: $500; Temporary Certificate of Occupancy (non-refundable): $1,000; Alternative energy system installation: 0.5% of project valuation, minimum $120
Reinspection fee: $500 penalty for work started without a permit (Spring 2025 resolution)
Payment note: In-person at 2135 S. Ammon Road. Online payment method through BluePrince portal or city payment system; confirm with department.

Fees change. Verify current amounts at the official fee schedule (effective 2025 Fall).

Work That Does NOT Require a Permit

Contact the Building Department to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

(208) 612-4020 (phone)

Inspection hours: Monday-Thursday 9am-3pm; Friday 9am-12pm. Closed federal holidays.

Typical inspection sequence: Varies by project. Footing, foundation, framing, rough-in systems, insulation, and final are typical for new residential construction. Contact department for project-specific sequence.

Additional Resources

Building code: 2018 International Building Code, 2018 International Residential Code, 2018 International Energy Conservation Code, 2018 International Mechanical Code, 2018 International Fuel Gas Code, 2018 International Existing Building Code, 2018 International Fire Code, 2018 Idaho State Plumbing Code, 2023 National Electrical Code (NEC). All codes subject to local amendments.
City Code and Fees
Accessory Buildings Checklist
Residential Permit Application
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 Building Department before applying.

Frequently Asked Questions

Ammon Building Permit FAQ

Do I need a building permit in Ammon, ID?: Required for construction, enlargement, alteration, repair, demolition, change of occupancy, and installation or replacement of mechanical systems. Lawn sprinkler installation also requires a permit.
How much does a building permit cost in Ammon, ID?: Fees are calculated as: Valuation-based. From Spring 2025 Fee Resolution (amendment 2025-002): Additional/partial inspections above minimum: $60 per hour; Penalty for commencing work without a permit: $500; Temporary Certificate of Occupancy (non-refundable): $1,000; Alternative energy system installation: 0.5% of project valuation, minimum $120.
How do I apply for a building permit in Ammon, ID?: 1. Create account at https://www.blueprinceportal.com/login. 2. Submit permit application with required plans and documents through BluePrince portal, or in person at 2135 S. Ammon Road. 3. Plans examiner reviews for code compliance. 4. Pay fees through city fee payment process. 5. Permit issued. 6. Post permit on-site. 7. Schedule inspections by calling (208) 612-4020. 8. Pass required inspections. 9. Final inspection; certificate of occupancy issued.
How long does it take to get a building permit in Ammon, ID?: Typical processing time is Goal of 5 working days for residential; 14 working days for commercial..
What work is exempt from building permits in Ammon, ID?: The following work is generally exempt: Residential accessory structures under 200 sq ft may fall under Idaho state exemption thresholds, but local zoning rules and setback requirements still apply.; Routine maintenance and like-for-like replacement of minor finish components (painting, flooring, cabinets) generally do not require permits — confirm specific project with department.. Note: Thin data on Ammon-specific exempt work list. Contact permits@cityofammon.us or (208) 612-4021 to confirm exemptions for specific project types.
How do I schedule a building inspection in Ammon, ID?: Inspections can be scheduled via: (208) 612-4020.

Need help with your project?

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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