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Plumbing Permit in Kalispell, Montana

Required for plumbing installations, alterations, and repairs in Kalispell, including water heater replacements and fixture additions. Governed by the 2021 Uniform Plumbing Code (UPC).

Verified 2026-07-02 · Source

When you need this permit

  • Plumbing permit required for new installations, alterations, and repairs to plumbing systems, including water heater replacement
  • Application submitted to the Building Department
  • Work governed by the 2021 Uniform Plumbing Code (UPC) — Montana uses the UPC, not the International Plumbing Code

Required documents

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Fee schedule

Plumbing Permit — Base Fee plus per-fixture/outlet chargeCity of Kalispell Plumbing Permit Fee Schedule, effective 09/04/2024 — this is the complete published fee structure (flat base plus per-fixture charge; no separate valuation table for plumbing)
$20.00 base fee plus $8.00 per plumbing fixture and/or gas outlet
Work Commenced Without a PermitPer City of Kalispell Ordinance 1889 and Resolution 5703
200% of the original permit amount

Review timeline

Plan reviewTypical estimate — confirm current times with the Kalispell building department
~1–5 business days

How long did your Plumbing Permit permit actually take in Kalispell?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Rough-In

    After pipes installed, before walls closed

  2. 2

    Final

    All fixtures connected, no leaks, proper venting verified

See the full Kalispell inspection guide — scheduling & re-inspection fees →

Tips

  • Kalispell's plumbing permit fee is a simple flat structure: $20 base plus $8 per fixture or gas outlet — there is no valuation-based tier for plumbing as there is for building/electrical/mechanical permits.
  • Water heater replacement requires a plumbing permit at the standard $20 base plus $8 per fixture rate.
  • Kalispell uses the Uniform Plumbing Code (UPC), not the International Plumbing Code — relevant when cross-referencing national plumbing product listings.

Frequently asked questions

Kalispell requires a plumbing permit for: Plumbing permit required for new installations, alterations, and repairs to plumbing systems, including water heater replacement; Application submitted to the Building Department; Work governed by the 2021 Uniform Plumbing Code (UPC) — Montana uses the UPC, not the International Plumbing Code. If your project isn't listed, confirm with City of Kalispell Building Department at (406) 758-7730 before starting work.

The fee is $20.00 base plus $8.00 per plumbing fixture and/or gas outlet, per the City of Kalispell Plumbing Permit Fee Schedule, effective 09/04/2024. For example, a water heater replacement (1 fixture) would be $28.00 total.

Plan review for a plumbing permit in Kalispell typically runs 1–5 business days. This is an estimate, not a published figure — confirm current review times with City of Kalispell Building Department at (406) 758-7730.

You'll need: Plumbing Permit Application. See the required-documents checklist on this page for details on each.

Kalispell requires 2 inspection(s) for a plumbing permit, in order: Rough-In, Final. Schedule each through City of Kalispell Building Department ((406) 758-7730).

Apply through City of Kalispell Building Department at 201 1st Avenue East, Kalispell, MT 59901 (mailing: PO Box 1997, Kalispell, MT 59903). Phone: (406) 758-7730, email: bldgdept@kalispell.com. Office hours: Not published on the department page; phone (406) 758-7730 and email bldgdept@kalispell.com listed as primary contact methods. Official information: https://www.kalispell.com/614/Building.

Kalispell, Montana has adopted: 2021 International Building Code (IBC) — with Montana/Kalispell amendments; 2021 International Mechanical Code (IMC); 2021 International Fuel Gas Code (IFGC); 2021 International Fire Code (IFC); 2021 International Existing Building Code (IEBC); 2021 International Residential Code (IRC); 2021 Uniform Plumbing Code (UPC) — Montana uses the Uniform Plumbing Code, not the International Plumbing Code; 2021 Energy Code; 2020 National Electrical Code (NEC) / NFPA 70; 2021 International Swimming Pool and Spa Code (ISPSC). Local amendments apply — see the Kalispell overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-02.

Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Kalispell building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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Plumbing Permit in other cities

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