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Commercial Building Permit (New Construction / Addition / Remodel / Repair) in Columbia Falls, Montana

Required for new commercial construction, commercial additions, remodels, and repairs within Columbia Falls city limits. Columbia Falls has no separate commercial application or commercial application track — a commercial project uses the identical Building Permit Application as a single-family dwelling, selecting the same Class of Work options (New, Addition, Remodel, Repair, Demolition), with one difference printed directly on the form: plans for commercial projects (and multi-family projects of three or more units) must be stamped by a licensed Architect or Engineer, where residential plans need not be. Reviewed against the 2021 IBC as adopted per Administrative Order 2022 Building Code Adoption. Montana's governing fee rule, ARM 24.301.138, sets a single statewide valuation-based fee table and a flat 35 percent plan review surcharge that applies the same way to a commercial project as to a residential one — Columbia Falls has not published its own fee resolution that sets a separate, higher commercial rate. A project within the City's designated wildland-urban interface area is additionally subject to the 2021 International Wildland-Urban Interface Code under ARM 24.301.181, whose own scope provision reaches commercial construction, additions, remodeling, and change-of-use work, not residential work only. As with every other permit type here, inspections are performed under contract by the City of Whitefish Building Department rather than by Columbia Falls staff.

Verified 2026-08-26 · Source

When you need this permit

  • Building permit required for Class of Work: New, Addition, Remodel, Repair, or Demolition of a commercial structure, per the City of Columbia Falls Building Permit Application
  • One full set of plans and a digital copy, stamped by a licensed Architect or Engineer, is required for commercial projects and for multi-family projects of three or more units — printed directly on the Building Permit Application, distinct from the unstamped 1/4-inch-scale/11x17/digital set accepted for a single-family residential submission
  • Required plan sheets are the same as for residential work: site plan, floor plan, exterior elevations, foundation plan, wall section, stair section, and framing details, all at 1/4-inch scale, per the Building Permit Packet checklist
  • Plans must indicate 55 lb snow load, Seismic Zone D1, and 115 MPH wind design, per the Building Permit Packet checklist
  • ResCheck or the Prescriptive Method is required for 2021 IECC energy code compliance; the Building Permit Application does not print a separate commercial energy-compliance path
  • If the project site falls within Columbia Falls' designated wildland-urban interface area, the 2021 International Wildland-Urban Interface Code (IWUIC) additionally applies. Mont. Admin. R. 24.301.181(4)(a) states the code's scope covers 'the construction, alteration, movement, repair, addition, change-of-use or remodeling of any building, structure, or premises within the designated wildland-urban interface within the jurisdiction' — commercial work is not excluded. Columbia Falls holds Montana DLI's 'W' (wildland-urban interface) certification, one of only three Montana jurisdictions to hold it (with Whitefish and Bozeman), meaning the City itself, not the state, is responsible for declaring and mapping its wildland-urban interface areas under Mont. Admin. R. 24.301.181(2); confirm with the Building Clerk whether a specific parcel lies within the designated area before applying
  • Separate permits are required for electrical, plumbing, and mechanical work — this building permit does not cover those trades
  • The Fire Prevention Program Fee line item on the Building Permit Application is collected alongside the Building Permit Fee and Plan Review Fee; no distinct Columbia Falls Fire Department or State Fire Marshal commercial plan-review process was found published separately by the City after exhaustive search of the DocumentCenter and Forms & Permits listing
  • Permit becomes null and void if work has not commenced within 180 days, or is suspended/abandoned for 180 days at any time after commencement

Required documents

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Fee schedule

Building Permit Fee — valuation $1 to $500
City of Columbia Falls Building Permit Application (DocumentCenter/View/244) leaves the Building Permit Fee field blank for Building Department completion; Show full citationCity of Columbia Falls Building Permit Application (DocumentCenter/View/244) leaves the Building Permit Fee field blank for Building Department completion; absent a separately published city-specific commercial fee resolution, Mont. Admin. R. 24.301.138, Table 109.2 (Building Permit Fees) governs, and applies identically to commercial and residential valuation
$23.50
Building Permit Fee — valuation $501 to $2,000Mont. Admin. R. 24.301.138, Table 109.2
$23.50 for the first $500 plus $3.05 for each additional $100, or fraction thereof, to and including $2,000
Building Permit Fee — valuation $2,001 to $25,000Mont. Admin. R. 24.301.138, Table 109.2
$69.25 for the first $2,000 plus $14.00 for each additional $1,000, or fraction thereof, to and including $25,000
Building Permit Fee — valuation $25,001 to $50,000Mont. Admin. R. 24.301.138, Table 109.2
$391.75 for the first $25,000 plus $10.10 for each additional $1,000, or fraction thereof, to and including $50,000
Building Permit Fee — valuation $50,001 to $100,000Mont. Admin. R. 24.301.138, Table 109.2
$643.75 for the first $50,000 plus $7.00 for each additional $1,000, or fraction thereof, to and including $100,000
Building Permit Fee — valuation $100,001 to $500,000Mont. Admin. R. 24.301.138, Table 109.2
$993.75 for the first $100,000 plus $5.60 for each additional $1,000, or fraction thereof, to and including $500,000
Building Permit Fee — valuation $500,001 to $1,000,000Mont. Admin. R. 24.301.138, Table 109.2
$3,233.75 for the first $500,000 plus $4.75 for each additional $1,000, or fraction thereof, to and including $1,000,000
Building Permit Fee — valuation $1,000,001 and upMont. Admin. R. 24.301.138, Table 109.2 — the same statewide valuation table used for every Columbia Falls permit type that bills off project valuation; there is no separate, higher commercial tier under this table
$5,608.75 for the first $1,000,000 plus $3.15 for each additional $1,000, or fraction thereof
Plan Review FeeMont. Admin. R. 24.301.138(1)(b) — a single flat rate applied to both residential and commercial projects; if only plan review services are provided without a permit, the rate is 50 percent of the combined plan review and building permit fee
35 percent of the Building Permit Fee established under Table 109.2
Fire Prevention Program Fee
City of Columbia Falls Building Permit Application (DocumentCenter/View/244) lists 'Fire Prevention Program Fee' as a distinct line item collected alongside the Building Permit Fee and Plan Review Fee; Show full citationCity of Columbia Falls Building Permit Application (DocumentCenter/View/244) lists 'Fire Prevention Program Fee' as a distinct line item collected alongside the Building Permit Fee and Plan Review Fee; the exact calculation method was not separately published by the City after exhaustive search
Calculated at time of submission (field left blank on the Building Permit Application for Building Department completion); no separate percentage or flat-rate schedule for this fee was found published by the City
Requested Inspection FeeMont. Admin. R. 24.301.138(1)(c), added as a new paragraph to IBC Section 109.2
$75.00 per hour, portions of an hour rounded up to the next full hour; travel and per diem may be charged at the state of Montana's existing rates

Review timeline

Plan review
Not published — contact the department

How long did your Commercial Building Permit (New Construction / Addition / Remodel / Repair) permit actually take in Columbia Falls?

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

Inspection process

  1. 1

    Sonotubes/Piers/Columns

    String line or letter of survey required before pour

  2. 2

    Footings

    String line or letter of survey required before concrete pour

  3. 3

    Walls

    Foundation wall inspection

  4. 4

    Foundation Waterproofing / Underslab Heating / Underslab Plumbing

    Before backfill and slab pour

  5. 5

    Concrete Slab

    Slab inspection prior to pour completion

  6. 6

    Shear Wall Nailing

    Prior to covering shear panels

  7. 7

    Rough Framing / Rough Electrical / Rough Mechanical / Rough Plumbing

    Structural framing and trade rough-ins prior to insulation/drywall

  8. 8

    Insulation

    Insulation values verified against plan

  9. 9

    Drywall Nailing

    Prior to taping/finishing

  10. 10

    Final Mechanical (meter tag) / Final Fire (fire suppression & alarm tests) / Final Electrical (commercial only) / Final Building Inspection

    Final inspections prior to occupancy; the Required Inspections List calls out Final Electrical as a commercial-only step, distinct from the combined residential final

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

Tips

  • There is no distinct commercial application or commercial application track in Columbia Falls — the same Building Permit Application used for a house is used for a commercial project, with one printed difference: commercial and multi-family (three-plus unit) plans must be stamped by a licensed Architect or Engineer.
  • Montana's ARM 24.301.138 fee table and 35 percent plan review surcharge apply identically to residential and commercial valuation here, since Columbia Falls has not published its own fee resolution setting a separate commercial rate the way some other certified cities do.
  • Confirm whether the project site sits inside Columbia Falls' designated wildland-urban interface area before applying — the 2021 IWUIC's own scope language covers commercial construction, additions, remodeling, and change-of-use work, not just new homes, and Columbia Falls is one of only three Montana cities (with Whitefish and Bozeman) holding the DLI's WUI ('W') certification.
  • Fire-related costs on a commercial project run through the Fire Prevention Program Fee line item on the Building Permit Application and the Final Fire (fire suppression & alarm tests) inspection — no separate Columbia Falls Fire Department or State Fire Marshal commercial plan-review process is published by the City.
  • All inspections, including the commercial-only Final Electrical inspection, are scheduled directly with the City of Whitefish Building Department at (406) 863-2410, minimum 24 hours' notice.

Frequently asked questions

Columbia Falls requires a commercial building permit (new construction / addition / remodel / repair) for: Building permit required for Class of Work: New, Addition, Remodel, Repair, or Demolition of a commercial structure, per the City of Columbia Falls Building Permit Application; One full set of plans and a digital copy, stamped by a licensed Architect or Engineer, is required for commercial projects and for multi-family projects of three or more units — printed directly on the Building Permit Application, distinct from the unstamped 1/4-inch-scale/11x17/digital set accepted for a single-family residential submission; Required plan sheets are the same as for residential work: site plan, floor plan, exterior elevations, foundation plan, wall section, stair section, and framing details, all at 1/4-inch scale, per the Building Permit Packet checklist; Plans must indicate 55 lb snow load, Seismic Zone D1, and 115 MPH wind design, per the Building Permit Packet checklist; ResCheck or the Prescriptive Method is required for 2021 IECC energy code compliance; the Building Permit Application does not print a separate commercial energy-compliance path; If the project site falls within Columbia Falls' designated wildland-urban interface area, the 2021 International Wildland-Urban Interface Code (IWUIC) additionally applies. Mont. Admin. R. 24.301.181(4)(a) states the code's scope covers 'the construction, alteration, movement, repair, addition, change-of-use or remodeling of any building, structure, or premises within the designated wildland-urban interface within the jurisdiction' — commercial work is not excluded. Columbia Falls holds Montana DLI's 'W' (wildland-urban interface) certification, one of only three Montana jurisdictions to hold it (with Whitefish and Bozeman), meaning the City itself, not the state, is responsible for declaring and mapping its wildland-urban interface areas under Mont. Admin. R. 24.301.181(2); confirm with the Building Clerk whether a specific parcel lies within the designated area before applying; Separate permits are required for electrical, plumbing, and mechanical work — this building permit does not cover those trades; The Fire Prevention Program Fee line item on the Building Permit Application is collected alongside the Building Permit Fee and Plan Review Fee; no distinct Columbia Falls Fire Department or State Fire Marshal commercial plan-review process was found published separately by the City after exhaustive search of the DocumentCenter and Forms & Permits listing; Permit becomes null and void if work has not commenced within 180 days, or is suspended/abandoned for 180 days at any time after commencement. If your project isn't listed, confirm with City of Columbia Falls Building Department (Building, Planning & Public Works) at (406) 892-4391 before starting work.

No city-specific commercial rate is published. Absent its own fee resolution, Columbia Falls follows Mont. Admin. R. 24.301.138, which sets a flat 35 percent plan review fee on the Table 109.2 building permit fee for every project, residential or commercial.

Columbia Falls does not publish a plan-review timeline for this permit. Contact City of Columbia Falls Building Department (Building, Planning & Public Works) at (406) 892-4391 for current turnaround.

You'll need: Building Permit Application; Construction Drawings (Architect/Engineer Stamped). See the required-documents checklist on this page for details on each.

Apply through City of Columbia Falls Building Department (Building, Planning & Public Works) at 130 6th St West, Columbia Falls, MT 59912. Phone: (406) 892-4391, email: sobczakc@cityofcolumbiafalls.com. Office hours: City Hall, 130 6th St West, Columbia Falls, MT 59912. Building/Planning/Public Works Clerk: Caleb Sobczak, (406) 892-4432, sobczakc@cityofcolumbiafalls.com. All building, electrical, mechanical, and plumbing permit applications begin at City Hall by contacting the Building Clerk; actual building inspections are scheduled directly with the City of Whitefish Building Department, (406) 863-2410, buildingdept@cityofwhitefish.gov, under a contractual inspection-services agreement between the two cities. Source: City of Columbia Falls Building Inspection & Code Enforcement page, cityofcolumbiafalls.org/1204/Building-Inspection-Code-Enforcement. Official information: https://www.cityofcolumbiafalls.org/1240/Permits-Applications.

No. Commercial projects use the same Building Permit Application as residential work, selecting the applicable Class of Work. The one documented difference is that commercial projects (and multi-family projects of three or more units) must submit plans stamped by a licensed Architect or Engineer.

It can. Mont. Admin. R. 24.301.181(4)(a) defines the 2021 International Wildland-Urban Interface Code's scope as reaching 'the construction, alteration, movement, repair, addition, change-of-use or remodeling of any building, structure, or premises' inside a jurisdiction's designated wildland-urban interface area, not residential buildings only. Columbia Falls holds Montana DLI's WUI ('W') certification, so confirm with the Building Clerk whether a given parcel falls within the City's designated area.

This is not clearly published by the City. Fire-related costs are collected as a Fire Prevention Program Fee on the general Building Permit Application, and a Final Fire (fire suppression & alarm tests) inspection is performed by the City of Whitefish Building Department, but no distinct Columbia Falls Fire Department or State Fire Marshal commercial plan-review process was found published.

Sources & verification

Verified against official sources. Last reviewed 2026-08-26.

Fee schedules

Applications & forms

Checklists & handouts

Codes & ordinances

Department & other records

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 Columbia Falls building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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