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Residential Addition / Remodel / Alteration Permit in Kalispell, Montana

Required for additions, remodels, decks, and structural alterations to existing residential structures in Kalispell. Uses the same valuation-based Building Permit Fee Schedule as new construction. Applications submitted through the online e-Permit portal.

Verified 2026-07-02 · Source

When you need this permit

  • Room additions, decks, garages, and structural modifications to existing residences require a building permit
  • Application submitted through the online e-Permit portal
  • Job site legal description and Assessment Code Number required
  • Plans must comply with the 2021 IRC and 2021 Energy Code with Kalispell amendments
  • Separate trade permits (electrical, plumbing, mechanical) required if the scope includes those systems

Required documents

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Fee schedule

Building Permit Fee — valuation-based (same schedule as new construction)City of Kalispell Building Permit Fee Schedule, effective 09/04/2024 — the same valuation table applies to additions/remodels as to new construction
$23.50 minimum (valuation $1-$500) scaling to $6,444.85 for the first $1,000,000 plus $5.25 per additional $1,000 over $1,000,000
Residential Plan Review FeeCity of Kalispell Building Permit Fee Schedule, effective 09/04/2024
$75.00 per hour, 1-hour minimum
Work Commenced Without a PermitPer City of Kalispell Ordinance 1889 and Resolution 5703
200% of the original permit amount

Review timeline

Plan reviewKalispell’s published plan-review target
14–21 business days

How long did your Residential Addition / Remodel / Alteration 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

    Framing / Structural

    After framing complete, before wall cover

  2. 2

    MEP Rough-In

    Electrical, plumbing, and mechanical rough-in before walls closed — separate trade permits required

  3. 3

    Final

    All work complete per approved plans

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

Tips

  • Residential plan review has a published lead time of 2-3 weeks from complete submittal — verified directly on the Kalispell Building Department page.
  • Decks, garages, and additions are billed on the same valuation-based Building Permit Fee Schedule as new residential construction — there is no separate flat-rate table for these scopes.
  • Separate trade permits (electrical, plumbing, mechanical) are required if the addition/remodel scope includes those systems.

Frequently asked questions

Yes. Decks, additions, and structural alterations to existing residences require a building permit through the City of Kalispell Building Department, using the same valuation-based fee schedule as new construction.

In Kalispell, the published Building Permit Fee — valuation-based (same schedule as new construction) is: $23.50 minimum (valuation $1-$500) scaling to $6,444.85 for the first $1,000,000 plus $5.25 per additional $1,000 over $1,000,000. Additional published fees: Residential Plan Review Fee — $75.00 per hour, 1-hour minimum; Work Commenced Without a Permit — 200% of the original permit amount. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Kalispell's published plan-review target for a residential addition / remodel / alteration permit is 14–21 business days.

You'll need: Residential Building Permit Application; Construction Drawings. See the required-documents checklist on this page for details on each.

Kalispell requires 3 inspection(s) for a residential addition / remodel / alteration permit, in order: Framing / Structural, MEP 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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Residential Addition / Remodel / Alteration Permit in other cities

Alamogordo, New MexicoAlbuquerque, New MexicoArtesia, New MexicoBoise, IdahoCaldwell, IdahoCarlsbad, New MexicoClovis, New MexicoDeming, New Mexico

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