Plumbing Permit (State of Idaho) in Ketchum, Idaho

Yes. A State of Idaho plumbing permit is required, at a flat fee of $65 for water heater replacement only, per the DOPL Plumbing Permit Worksheet. Homeowners may pull the permit themselves for their own residence.

In Ketchum, 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 plus $65 per each additional 1,000 sq ft or portion thereof; New Multi-Family — Duplex — $260; Existing Residence / Detached Shop — $65 fee plus $10 per additional fixture, capped at the corresponding new-construction square footage fee; Water Heater Replacement (only) — $65; Sewer Line, Water Line, or Sewer & Water (if inspected together) — $65 each, or $65 combined if inspected at the same time; Modular, Manufactured or Mobile Home — sewer and water stub connections — $65; Lawn Sprinklers — $65; Fire Sprinkler — $65 flat fee or $4 per sprinkler head, whichever is greater; Water Conditioning Equipment — $65; Plan Check — $65 per hour; Requested Inspection — $65. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Ketchum does not publish a plan-review timeline for this permit. Contact City of Ketchum Planning & Building Department at (208) 726-7801 for current turnaround.

You'll need: Homeowner Plumbing Permit Application (DOPL); Plumbing Permit Worksheet (Fee Schedule). See the required-documents checklist on this page for details on each.

Ketchum requires 2 inspection(s) for a plumbing permit (state of idaho), in order: Underground / Rough-In, Final. Schedule each through City of Ketchum Planning & Building Department ((208) 726-7801).

Apply through City of Ketchum Planning & Building Department at 191 5th St. West (P.O. Box 2315), Ketchum, ID 83340. Phone: (208) 726-7801, email: participate@ketchumidaho.org. Office hours: Mon–Fri 8:30 AM – 5:00 PM. Official information: https://www.ketchumidaho.org/planning-building/page/building-services.

Ketchum, Idaho has adopted: 2018 International Building Code (IBC) — as amended by the Idaho Building Code Board, with Appendix O; 2018 International Residential Code (IRC) — as amended by the Idaho Building Code Board, Parts I–III and IX, with Appendix F; 2018 International Energy Conservation Code (IECC) — as amended by the Idaho Building Code Board; 2018 International Existing Building Code (IEBC) — as amended by the Idaho Building Code Board; 2018 International Swimming Pool and Spa Code (ISPSC) — adopted by State and City without amendment; 2018 International Property Maintenance Code (IPMC) — adopted by City of Ketchum; 2018 International Fire Code (IFC) — with Appendix Chapters B, C, D, E, and F; ICC A117.1 — Accessible and Usable Buildings and Facilities (as referenced in the adopted IBC); Electrical, plumbing, and mechanical trade work is regulated and permitted by the State of Idaho Division of Building Safety (DBS) / Division of Occupational and Professional Licenses (DOPL) — Ketchum does not issue its own trade permits; Modular buildings and structures are regulated by the State of Idaho Division of Building Safety (DBS). Local amendments apply — see the Ketchum overview page for the full list.

The State of Idaho State Plumbing Board (DOPL), not the City of Ketchum. Apply at dbs.idaho.gov; the City's own Inspections page confirms plumbing inspections are handled by the State.