Skip to main content
PermitBase

Change of Use / Certificate of Occupancy in Columbia Falls, Montana

Columbia Falls publishes no standalone change-of-use or certificate-of-occupancy application, checklist, or fee. The City's Building Permit Application's 'Class of Work' field is limited to New, Addition, Remodel, Repair, and Demolition and contains no Change of Use or Change of Occupancy option. Montana law (MCA 50-60-107) establishes the certificate-of-occupancy concept for buildings built under a certified local building code, and Columbia Falls has adopted the 2021 International Existing Building Code (IEBC), which contains the governing change-of-occupancy provisions, but no City-specific implementing process, fee, or timeline was found published.

Reviewed 2026-07-22 · Source

When you need this permit

  • No standalone 'change of use' or 'certificate of occupancy' permit application, checklist, or fee was found published by the City of Columbia Falls after exhaustive search of the DocumentCenter, Forms & Permits page, and Permits & Applications page
  • The City's Building Permit Application's 'Class of Work' field is limited to NEW, ADDITION, REMODEL, REPAIR, and DEMOLITION (confirmed directly on the form, DocumentCenter/View/244) and does not include a distinct Change of Use or Change of Occupancy option; a use or occupancy change involving construction work is understood to be submitted as a Remodel under the general Building Permit Application, though this is not stated explicitly by the City
  • Columbia Falls has adopted the 2021 International Existing Building Code (IEBC), which contains the governing change-of-occupancy provisions (egress, fire-resistance, and other requirements triggered by a change in a building's occupancy classification), per this record's codesAdopted entries
  • Mont. Code Ann. 50-60-107 provides that 'a certificate of occupancy for a building constructed in accordance with the provisions of the state building code or county, city, or town building code must certify that the building conforms to the requirements of the building regulations applicable to it,' but does not itself specify a City of Columbia Falls issuance process, fee, or timeline
  • Confirm with the Building Clerk, (406) 892-4432, whether a change in a building's use or occupancy classification requires a Remodel-classified Building Permit and/or triggers a distinct sign-off before occupancy, since no dedicated City document addresses this directly

Required documents

Check off what you have — your progress is saved on this device.

Fee schedule

Building Permit Fee (only if construction work triggers a Building Permit)City of Columbia Falls Building Permit Application; absent a separately published city-specific table, governed by ARM 24.301.138 Table 109.2 valuation methodology (see residential-building-permit fee notes for detail). No dedicated change-of-use/certificate-of-occupancy fee line exists on any City form found after exhaustive search.
Calculated at time of submission based on project valuation (field left blank on the application form); no distinct change-of-use or certificate-of-occupancy fee was found published by the City

Review timeline

Plan review
Not published — contact the department

How long did your Change of Use / Certificate of Occupancy 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

    Final Building Inspection (only if construction work triggers a Building Permit)

    Completed work verified against the approved Remodel-classified Building Permit before occupancy under the new use, per the City's Required Inspections List; scheduled with the City of Whitefish Building Department, minimum 24 hours' notice

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

Tips

  • Columbia Falls publishes no standalone change-of-use or certificate-of-occupancy application; the City's Building Permit Application's Class of Work options are limited to New, Addition, Remodel, Repair, and Demolition, with nothing labeled Change of Use or Change of Occupancy.
  • If a change in use or occupancy classification involves construction work, that work is understood to be processed as a Remodel-classified Building Permit; confirm this with the Building Clerk, (406) 892-4432, since it is not stated explicitly by the City.
  • The City has adopted the 2021 International Existing Building Code (IEBC), the code edition that governs change-of-occupancy determinations, per this record's codesAdopted list.

Frequently asked questions

Columbia Falls requires a change of use / certificate of occupancy permit for: No standalone 'change of use' or 'certificate of occupancy' permit application, checklist, or fee was found published by the City of Columbia Falls after exhaustive search of the DocumentCenter, Forms & Permits page, and Permits & Applications page; The City's Building Permit Application's 'Class of Work' field is limited to NEW, ADDITION, REMODEL, REPAIR, and DEMOLITION (confirmed directly on the form, DocumentCenter/View/244) and does not include a distinct Change of Use or Change of Occupancy option; a use or occupancy change involving construction work is understood to be submitted as a Remodel under the general Building Permit Application, though this is not stated explicitly by the City; Columbia Falls has adopted the 2021 International Existing Building Code (IEBC), which contains the governing change-of-occupancy provisions (egress, fire-resistance, and other requirements triggered by a change in a building's occupancy classification), per this record's codesAdopted entries; Mont. Code Ann. 50-60-107 provides that 'a certificate of occupancy for a building constructed in accordance with the provisions of the state building code or county, city, or town building code must certify that the building conforms to the requirements of the building regulations applicable to it,' but does not itself specify a City of Columbia Falls issuance process, fee, or timeline; Confirm with the Building Clerk, (406) 892-4432, whether a change in a building's use or occupancy classification requires a Remodel-classified Building Permit and/or triggers a distinct sign-off before occupancy, since no dedicated City document addresses this directly. 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.

In Columbia Falls, the published Building Permit Fee (only if construction work triggers a Building Permit) is: Calculated at time of submission based on project valuation (field left blank on the application form); no distinct change-of-use or certificate-of-occupancy fee was found published by the City. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

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.

Depending on your project, Columbia Falls may also ask for: Building Permit Application (Remodel Class of Work, if construction work is involved). See the required-documents checklist on this page for details on each.

Columbia Falls requires 1 inspection(s) for a change of use / certificate of occupancy permit, in order: Final Building Inspection (only if construction work triggers a Building Permit). Schedule each through City of Columbia Falls Building Department (Building, Planning & Public Works) ((406) 892-4391).

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 dedicated certificate-of-occupancy application, checklist, or fee is published by the City of Columbia Falls. Mont. Code Ann. 50-60-107 establishes the certificate-of-occupancy concept for buildings built under a certified local building code, but no City-specific issuance process was found published.

No standalone change-of-use permit is published. The City's Building Permit Application's Class of Work field (New, Addition, Remodel, Repair, Demolition) has no Change of Use option; construction work tied to a use change is understood to be submitted as a Remodel, but confirm with the Building Clerk, (406) 892-4432.

Sources & verification

Key facts verified against official sources. Last reviewed 2026-07-22.

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.