Residential Building Permit in Kuna, Idaho

Kuna requires a residential building permit for: Building permit required for new single-family dwellings, mobile homes, and accessory dwelling units; Accessory structures (garages, storage buildings) over 200 square feet require a permit; structures under 200 sq ft are exempt; Permit required for additions and improvements to existing residences or accessory structures; Permit required for decks over 30 inches above grade; Permit required for retaining walls over 4 feet in height (measured from bottom of footing); Fence permit required for installation of fences; Permit required for heating/AC systems, fireplaces, wood stoves, and ventilation systems (separate mechanical permit); Permit required for relocation or demolition of a structure; Email individual PDFs (application, site plan, floor plan, Manual J, ResCheck if not prescriptive path, structural calculations) to BuildingPermits@KunaID.gov; Name files: 'L-- B-- Subdivision w/ Phase # - Document Type'; all documents must have legal subdivision name and phase number; Submit construction plans (24x36) as a single PDF to the Dropbox folder provided by the Building Department; Payment of submittal fee required before plan review begins (invoice emailed; payment by credit card by phone or check); Homeowners may perform work on their primary residence without registering as a contractor with Idaho; licensed contractors required for sub-trades not performed by owner. If your project isn't listed, confirm with City of Kuna Building Department at (208) 922-5546 before starting work.

In Kuna, the published Residential Building Permit Submittal Fee is: $70. Additional published fees: Residential Structural Plan Review Fee — $65 per hour, 1-hour minimum; Building Permit Fee (project value $1–$2,000) — $65; Building Permit Fee (project value $2,001–$25,000) — $65 for first $2,000 + $11.35 per additional $1,000 or fraction thereof; Building Permit Fee (project value $25,001–$50,000) — $326 for first $25,001 + $7.20 per additional $1,000 or fraction thereof; Building Permit Fee (project value $50,001–$100,000) — $506 for first $50,001 + $5.15 per additional $1,000 or fraction thereof; Re-inspection Fee — $65 each (after each failed attempt); Building Permit Modification — $100; Fence Permit Application Fee — $25; Footing/Foundation/Patio Cover Only (value ≤$2,000) — $65; Reinstatement Fee: Patio/Fence — $65; Reinstatement Fee: Residential — $150. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a residential building permit in Kuna typically runs 10–30 business days. This is an estimate, not a published figure — confirm current review times with City of Kuna Building Department at (208) 922-5546.

You'll need: Residential Building Permit Application (PDF); Site Plan (individual PDF page); Floor Plan (individual PDF page); Manual J (HVAC load calculation); Construction Plans (24x36 PDF). Depending on your project, Kuna may also ask for: ResCheck (energy compliance); Structural Calculations (if applicable). See the required-documents checklist on this page for details on each.

Items requiring a permit include: accessory/outbuildings over 200 square feet, structural additions and alterations for homes, window replacement, retaining walls over 4 feet high (measured from the bottom of the footing), and placement and setup of manufactured homes.

Apply through City of Kuna Building Department at 751 W. 4th Street, P.O. Box 13, Kuna, ID 83634. Phone: (208) 922-5546, email: BuildingPermits@KunaID.gov. Office hours: Mon–Fri 8:00 AM – 5:00 PM; inspection requests must be submitted prior to 4:00 PM for next business day. Official information: https://kunacity.id.gov/119/Building-Department.

Homeowners may perform work on their primary residence without registering as a contractor with the State of Idaho. If you act as the sub-contractor on your project, you must get a permit and physically perform the work yourself. If you are not doing all of the work yourself (such as electrical, plumbing, or mechanical), the person performing the work must be a State of Idaho registered and licensed contractor in that trade.

Smoke detectors must be installed in every bedroom and adjacent hall, and on each additional story including basements and habitable attics. Carbon monoxide detectors are required outside each sleeping area in the immediate vicinity of the bedrooms.