Plumbing Permit in Kuna, Idaho

Kuna requires a plumbing permit for: Plumbing permit required before commencing any plumbing work; Submit Plumbing Permit Application (PDF) to the Building Department; Licensed Idaho plumbing contractor required for work not performed by the homeowner on their own primary residence. If your project isn't listed, confirm with City of Kuna Building Department at (208) 922-5546 before starting work.

In Kuna, the published New Single Family Dwelling — up to 1,500 sq ft is: $130. Additional published fees: New Single Family Dwelling — 1,501 to 2,500 sq ft — $195; New Single Family Dwelling — 2,501 to 3,500 sq ft — $260; New Single Family Dwelling — 3,501 to 4,500 sq ft — $325; New Single Family Dwelling — over 4,500 sq ft — $325 + $65 per additional 1,000 sq ft; Existing Residence — $65 + $10 per additional fixture; Detached Shop/Accessory Building — $65 + $10 per additional fixture; Duplex Apartment or Condominium — $260; Sewer Line — $65; Water Line — $65; Water Heater Replacement — $65; Modular, Manufactured or Mobile Home — $65; Commercial/Industrial Plumbing (contract value ≤$10,000) — $60 + (contract value × 0.02); Commercial/Industrial Plumbing ($10,001–$100,000) — $260 + ((contract value − $10,000) × 0.01); Commercial/Industrial Plumbing (contract value >$100,000) — $1,160 + ((contract value − $100,000) × 0.005); Re-inspection Fee — $65 each (after each failed attempt). These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a plumbing permit in Kuna typically runs 3–10 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: Plumbing Permit Application (PDF). See the required-documents checklist on this page for details on each.

Kuna requires 2 inspection(s) for a plumbing permit, in order: Rough-In Plumbing, Final Plumbing. Schedule each through City of Kuna Building Department ((208) 922-5546).

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.

Kuna, Idaho has adopted: 2018 International Building Code (IBC) — adopted statewide per Idaho Building Code Act; 2018 International Residential Code (IRC, Parts I, II, III and IX) — adopted statewide; 2018 International Energy Conservation Code (IECC) — adopted statewide; 2018 International Existing Building Code (IEBC) — adopted statewide; 2018 International Mechanical Code (IMC) — adopted statewide; 2018 International Fuel Gas Code (IFGC) — adopted statewide; 2023 National Electrical Code (NEC/NFPA 70) — adopted via Idaho Electrical Board; 2017 Idaho State Plumbing Code (ISPC) — based on 2015 Uniform Plumbing Code; 2018 International Fire Code (IFC) — administered by Idaho Fire Marshal. Local amendments apply — see the Kuna overview page for the full list.