Kuna, ID - 2026 Building Permit Guide

Permit Authority

Covers all properties within Kuna city limits only.

Department

City of Kuna Building Department

Address

751 W. 4th Street, Kuna, ID 83634

Phone

(208) 922-5546

Email

pzapplications@kunaid.gov (for planning/zoning items)

Website

https://kunacity.id.gov/119/Building-Department

Online Permit Portal

Application Process

1. Determine permit type (building, mechanical, electrical, plumbing).
2. Prepare required documents: permit application, approved plans (must be on site for all inspections), site plan, and construction drawings.
3. For planning/zoning applications: email P&Z Application Coversheet to pzapplications@kunaid.gov to receive upload link.
4. Submit building permit application through iWorQ portal or in person at 751 W. 4th Street.
5. Pay building submittal fees (applied toward total permit cost).
6. Plans are reviewed by the Building Department.
7. Permit is issued; pick up within 180 days of issuance or permit will be voided.
8. Post permit card on site; keep approved plans on site at all times.
9. Schedule inspections through iWorQ portal by 4:00 p.m. the previous business day.
10. Complete all required inspections.
11. At Final inspection, scope of work, valuation, and permit fees are verified.
12. Final inspection and permit closeout.

Typical processing time: Not published; contact department at (208) 922-5546.

Source: City of Kuna Building Department

General Requirements

New residences, mobile homes, and accessory dwelling units; detached garages and structures over 200 sq. ft.; additions and structural improvements to existing structures; decks exceeding 30 inches above grade; retaining walls over 4 feet in height; fence installation; HVAC systems, fireplaces, wood stoves, ventilation systems; structure relocation or demolition; structures attached to houses; window replacement.

Required Documents

• Completed building permit application
• Site plan
• Construction drawings
• Contractor license information

Permit validity

Work must commence or resume within 180 days or permit is invalid. Permits must be picked up within 180 days of issuance or will be voided. No construction during quiet hours (11 p.m. to 7 a.m.).

Building code

2018 International Residential Code (IRC); 2018 International Building Code (IBC); Uniform Plumbing Code; ICC standards. See https://library.municode.com/id/kuna/codes/city_code?nodeId=TIT4BURE_CH1BUCO

Owner-builder

Homeowners performing work on primary residence should verify they are physically performing all the work. Trade work (electrical, plumbing, mechanical) must be handled by state-licensed contractors unless homeowner self-performs.

Contractor requirements

Current, valid State of Idaho contractor license required.

Fees

Plan check fee

Not confirmed; see fee schedule PDF. Idaho state standard: plan review at $100/hour, max 65% of permit fee, minimum 40% of permit fee.

Permit fee formula

Valuation-based; scope of work and valuation verified at Final inspection. Specific formula in fee schedule PDF.

Reinspection fee

Failure to be ready for a requested inspection may result in a re-inspection fee. Specific amount — see fee schedule PDF or contact department.

Payment note

Contact department for accepted payment methods.

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

• Detached storage buildings (sheds) less than 200 sq. ft. in area
• Retaining walls 4 feet or under (measured from bottom of footing to top of wall)
• Painting, flooring, cabinets, countertops, wall coverings (no structural work)
• Non-structural maintenance and repairs

Important: Note: Fences DO require a building permit in Kuna (unlike some other Idaho jurisdictions).

Inspections

How to Schedule

• iWorQ portal (online)

Scheduling deadline

Submit inspection request by 4:00 p.m. for next business day scheduling. Requests after 4:00 p.m. will not be scheduled for the following work day.

Inspection hours

Monday-Friday, 8:00 a.m. to 5:00 p.m. An adult (18 or older) must be present for inspections in occupied homes.

Typical inspection sequence: Footing/foundation, rough framing, rough MEP (as applicable), insulation, final. At Final inspection, scope of work, valuation, and permit fees are verified. Approved plans must be on site for all inspections.

Additional Resources

• Building code: 2018 International Residential Code (IRC); 2018 International Building Code (IBC); Uniform Plumbing Code; ICC standards. See https://library.municode.com/id/kuna/codes/city_code?nodeId=TIT4BURE_CH1BUCO
• Zoning information: View zoning info
• Residential Building Information
• Commercial Building Information
• Building Permit Reports
• Forms and Applications
• Municipal Code (Building Regulations)
• License lookup guide: Idaho Contractor License Requirements
• Contract template: Idaho Homeowner-Contractor Agreement
• Idaho hub: Idaho Contractor License & Permit Hub

Frequently Asked Questions

Kuna Building Permit FAQ

Do I need a building permit in Kuna, ID?

New residences, mobile homes, and accessory dwelling units; detached garages and structures over 200 sq. ft.; additions and structural improvements to existing structures; decks exceeding 30 inches above grade; retaining walls over 4 feet in height; fence installation; HVAC systems, fireplaces, wood stoves, ventilation systems; structure relocation or demolition; structures attached to houses; window replacement.

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

Fees are calculated as: Valuation-based; scope of work and valuation verified at Final inspection. Specific formula in fee schedule PDF.. Plan check fee: Not confirmed; see fee schedule PDF. Idaho state standard: plan review at $100/hour, max 65% of permit fee, minimum 40% of permit fee..

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

1. Determine permit type (building, mechanical, electrical, plumbing). 2. Prepare required documents: permit application, approved plans (must be on site for all inspections), site plan, and construction drawings. 3. For planning/zoning applications: email P&Z Application Coversheet to pzapplications@kunaid.gov to receive upload link. 4. Submit building permit application through iWorQ portal or in person at 751 W. 4th Street. 5. Pay building submittal fees (applied toward total permit cost). 6. Plans are reviewed by the Building Department. 7. Permit is issued; pick up within 180 days of issuance or permit will be voided. 8. Post permit card on site; keep approved plans on site at all times. 9. Schedule inspections through iWorQ portal by 4:00 p.m. the previous business day. 10. Complete all required inspections. 11. At Final inspection, scope of work, valuation, and permit fees are verified. 12. Final inspection and permit closeout.

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

Typical processing time is Not published; contact department at (208) 922-5546..

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

The following work is generally exempt: Detached storage buildings (sheds) less than 200 sq. ft. in area; Retaining walls 4 feet or under (measured from bottom of footing to top of wall); Painting, flooring, cabinets, countertops, wall coverings (no structural work); Non-structural maintenance and repairs. Note: Note: Fences DO require a building permit in Kuna (unlike some other Idaho jurisdictions).

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

Inspections can be scheduled via: iWorQ portal. Submit inspection request by 4:00 p.m. for next business day scheduling. Requests after 4:00 p.m. will not be scheduled for the following work day..

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