Plumbing Permit (Trade Permit) in Whitefish, Montana

Whitefish requires a plumbing permit (trade permit) for: Trade Permit Application required for installation, alteration, or repair of any plumbing system, fixture, or water heater; Governed by the 2021 Uniform Plumbing Code (UPC) as adopted by the City of Whitefish — not the International Plumbing Code; Completed Plumbing Fixture Form (Fixture Information Request) required for any change in plumbing fixtures, capturing fixture counts, service line length, and water pressure; Application requires Montana contractor license number (Journeyman or Master) and project valuation; Projects adding plumbing fixtures are subject to separate water/wastewater impact fees calculated by the Public Works Department; Submitted via the Citizen Portal or by email to buildingdept@cityofwhitefish.gov. If your project isn't listed, confirm with City of Whitefish Planning & Building Department at (406) 863-2410 before starting work.

In Whitefish, the published Trade (Plumbing) Permit Fee is: Based on a percentage of the estimated project cost/valuation, consistent with the City's general building-permit valuation-based fee methodology; a deposit is required at time of permit submittal. Additional published fees: Water/Wastewater Impact Fee (plumbing fixture additions only) — Calculated by the Public Works Department per the City's 'Service Area Report and Impact Fee Study' (September 28, 2023) and set by City Council resolution; contact Rose Elliott at (406) 863-2462. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Whitefish does not publish a plan-review timeline for this permit. Contact City of Whitefish Planning & Building Department at (406) 863-2410 for current turnaround.

You'll need: Trade Permit Application; Plumbing Fixture Form (Fixture Information Request). See the required-documents checklist on this page for details on each.

Whitefish requires 3 inspection(s) for a plumbing permit (trade permit), in order: Underslab Plumbing, Rough Plumbing, Final Water (Pre-Final). Schedule each through City of Whitefish Planning & Building Department ((406) 863-2410).

Apply through City of Whitefish Planning & Building Department at 418 E 2nd Street, PO Box 158, Whitefish, MT 59937. Phone: (406) 863-2410, email: buildingdept@cityofwhitefish.gov. Office hours: Planning & Building Department, 418 E 2nd Street, Whitefish, MT 59937 (inspection requests: (406) 863-2414 or buildingdept@cityofwhitefish.gov, minimum 24 hours notice required). Official information: https://www.cityofwhitefish.gov/191/Building-Permits-Inspections.

Whitefish, Montana has adopted: Montana has a mandatory statewide building code administered by the Montana Department of Labor & Industry (DLI) Building Codes Bureau, amended by the Administrative Rules of Montana (ARM) Title 24, Chapter 301. Cities, counties, and towns may become 'certified' to locally administer permitting and inspection for all or part of the code (building, plumbing, electrical, mechanical, swimming pool, WUI, etc.); non-certified areas fall under direct state administration by the DLI Building Codes Bureau. Source: Montana DLI Building Codes Bureau, Certified City, County and Town Programs and Current Codes pages (bsd.dli.mt.gov/building-codes-permits).; Whitefish is a Montana DLI-certified jurisdiction for Building (B), Plumbing (P), Electrical (E), Mechanical (M), Swimming Pool (SP), AND Wildland-Urban Interface (W) within Whitefish city limits — the fullest certification tier on the DLI list, matching only Bozeman and Columbia Falls statewide. Certified Building Official of record: Tad Lisowski, (406) 863-2410. Source: Montana DLI Building Codes Bureau, 'CITY CODES BUILDING OFFICIAL PHONE JURISDICTION' certified-jurisdictions PDF (bsd.dli.mt.gov/_docs/building-codes-permits/certified-city.pdf), updated 04/22/2026. Legend on that PDF: B = Building, P = Plumbing, M/G = Medical Gas, E = Electrical, M = Mechanical, SP = Pool, W = WUI (Wildland-Urban Interface) — 'W' is NOT a water-heater designation.; 2021 International Building Code (IBC) — statewide effective June 11, 2022; cited directly on the City of Whitefish Building Permits / Inspections page as a code applicable plans must meet; 2021 International Residential Code (IRC) — statewide effective June 11, 2022; cited on the City of Whitefish Building Permits / Inspections page; 2021 International Energy Conservation Code (IECC) — statewide effective June 11, 2022; cited on the City of Whitefish Building Permits / Inspections page; energy code compliance demonstrated via Prescriptive path, REScheck (residential), or COMcheck (commercial); 2021 International Existing Building Code (IEBC) — statewide effective June 11, 2022; cited on the City of Whitefish Building Permits / Inspections page; 2021 International Mechanical Code (IMC) — statewide effective June 11, 2022; cited on the City of Whitefish Building Permits / Inspections page; 2021 International Fuel Gas Code (IFGC) — statewide effective June 11, 2022; cited on the City of Whitefish Building Permits / Inspections page; 2021 Uniform Plumbing Code (UPC) — statewide effective June 11, 2022; cited on the City of Whitefish Building Permits / Inspections page (Montana uses the Uniform Plumbing Code, not the International Plumbing Code); 2020 National Electrical Code (NEC) — statewide effective June 11, 2022; cited on the City of Whitefish Building Permits / Inspections page; 2021 International Swimming Pool and Spa Code (ISPSC) — statewide effective June 11, 2022; cited on the City of Whitefish Building Permits / Inspections page; Whitefish is DLI-certified for swimming pool (SP) permitting; 2021 International Wildland-Urban Interface Code (IWUIC) — statewide edition; cited on the City of Whitefish Building Permits / Inspections page ('2021 IWUIC'); Whitefish is DLI-certified for WUI (W) and requires a Fire Risk Assessment per the 2021 WUI code on new construction and addition Residential Building Permit applications; City of Whitefish Code of Ordinances, Title 10 (Building Regulations), Chapter 1 (Building Codes): Section 10-1-1 Adoption of Technical Codes and Administrative Regulations; Section 10-1-4 Building Permits. Source: codelibrary.amlegal.com/codes/whitefishmt. Local amendments apply — see the Whitefish overview page for the full list.

The City of Whitefish Planning & Building Department issues plumbing permits directly, because Whitefish holds Montana DLI certification for Plumbing (P) permitting within city limits. Source: Montana DLI Building Codes Bureau, certified-jurisdictions list (bsd.dli.mt.gov/_docs/building-codes-permits/certified-city.pdf).