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Fire Sprinkler / Fire Alarm Permit in Unincorporated Yellowstone County, Montana

Montana's Building Codes Bureau (DLI) does not certify a distinct 'Fire' trade for local governments -- its Certified City, County and Town Programs roster only ever lists Building (B), Plumbing (P), Electrical (E), Mechanical (M), Pool (SP), and Wildland-Urban Interface (W) columns, and Yellowstone County does not appear on that roster at all (confirmed directly against the Bureau's own PDF, updated 4/22/2026). Separately, the Montana Department of Justice (DOJ) Division of Criminal Investigation maintains its own, different 'Fire Inspection Certified Jurisdiction' roster for local fire-code enforcement -- and on that roster too, only 'Billings City Limits' appears; unincorporated Yellowstone County is absent. With no local building-trade certification AND no local fire-inspection certification, there is no distinct fire-sprinkler or fire-alarm permit product for unincorporated Yellowstone County. Fire suppression system work is instead submitted as part of the same State Building Permit (BCP-1) used for general construction, which lists 'Fire Suppression' as one of its explicit 'Type of Work' checkboxes (confirmed directly on the Bureau's Application for Building Permit, Rev. 11/25) alongside 'Change of Use,' 'Reroof,' etc. The area's Montana DOJ Deputy State Fire Marshals (Yellowstone County is split between 'Area 4' and 'Area 9,' both currently assigned to Billings-based deputies) are responsible statewide for inspection of public buildings and certification of local inspection programs, and may be looped into plan review by the Bureau for occupancies that warrant it, but do not publish a separate permit application or fee schedule of their own for unincorporated county fire-suppression work.

Verified 2026-07-22 · Source

When you need this permit

  • No standalone fire-sprinkler or fire-alarm permit exists for unincorporated Yellowstone County -- fire suppression system installation is submitted as 'Fire Suppression' Type of Work on the standard State Building Permit (BCP-1) application to the Montana Building Codes Bureau
  • Applies because Yellowstone County is absent from BOTH the DLI Building Codes Bureau's certified-trades roster (no local Building/Plumbing/Electrical/Mechanical certification) AND the Montana DOJ's separate Fire Inspection Certified Jurisdiction roster (no local fire-code enforcement program) -- confirmed directly against both agencies' own published rosters
  • Same building-permit exemption logic applies as the jurisdiction's general Building Permit entry: fire suppression work tied to an otherwise-exempt structure (private home/apartment of 4 or fewer units) may not require a state permit at all, but the applicant should confirm with the Bureau at (406) 841-2056
  • Montana DOJ Deputy State Fire Marshals for 'Area 4' and 'Area 9' (both jointly covering Yellowstone County, based in Billings) are available to assist with public-building fire-safety review, but do not operate a separate local permitting office for the unincorporated county
  • Governed by the 2021 International Fire Code (IFC) as the state-adopted fire code, and NFPA sprinkler/alarm standards referenced by the adopted building codes

Required documents

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Fee schedule

State Building Permit Fee (Fire Suppression work)No separate fire-sprinkler/fire-alarm fee line exists on any Montana Building Codes Bureau application -- Fire Suppression is billed under the same valuation-based Building Permit fee as any other Type of Work checked on the BCP-1
Calculated based on project valuation, same as the jurisdiction's general Building Permit -- fee schedule not published inline on the application; contact Building Codes Bureau at (406) 841-2056 for the current valuation-based fee table

Review timeline

Plan reviewTypical estimate — confirm current times with the Unincorporated Yellowstone County building department
~15–21 business days

How long did your Fire Sprinkler / Fire Alarm Permit permit actually take in Unincorporated Yellowstone County?

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Inspection process

  1. 1

    Fire Suppression System Inspection

    Inspected as part of the standard state Building Permit inspection process; the Bureau may coordinate with the area's Montana DOJ Deputy State Fire Marshal for public-building occupancies

See the full Unincorporated Yellowstone County inspection guide — scheduling & re-inspection fees →

Tips

  • Do not search for a county 'fire marshal's office' or a county fire-plan-review desk -- unincorporated Yellowstone County has neither a DLI-certified local building-trades program nor a DOJ-certified local fire-inspection program, so fire suppression work goes through the same state Building Permit (BCP-1) as everything else, checking 'Fire Suppression' as the Type of Work.
  • Yellowstone County's structural firefighting response (as opposed to plan review/permitting) is provided locally by rural fire districts or fire service areas, not by the county or state directly -- that is a separate matter from the building-permit process covered here.
  • If your project is a public building or assembly occupancy, the Montana DOJ Deputy State Fire Marshal assigned to your area of Yellowstone County (Area 4 or Area 9, both Billings-based) may be involved in review; there is no separate application fee for this coordination beyond the standard Building Permit fee.

Frequently asked questions

Unincorporated Yellowstone County requires a fire sprinkler / fire alarm permit for: No standalone fire-sprinkler or fire-alarm permit exists for unincorporated Yellowstone County -- fire suppression system installation is submitted as 'Fire Suppression' Type of Work on the standard State Building Permit (BCP-1) application to the Montana Building Codes Bureau; Applies because Yellowstone County is absent from BOTH the DLI Building Codes Bureau's certified-trades roster (no local Building/Plumbing/Electrical/Mechanical certification) AND the Montana DOJ's separate Fire Inspection Certified Jurisdiction roster (no local fire-code enforcement program) -- confirmed directly against both agencies' own published rosters; Same building-permit exemption logic applies as the jurisdiction's general Building Permit entry: fire suppression work tied to an otherwise-exempt structure (private home/apartment of 4 or fewer units) may not require a state permit at all, but the applicant should confirm with the Bureau at (406) 841-2056; Montana DOJ Deputy State Fire Marshals for 'Area 4' and 'Area 9' (both jointly covering Yellowstone County, based in Billings) are available to assist with public-building fire-safety review, but do not operate a separate local permitting office for the unincorporated county; Governed by the 2021 International Fire Code (IFC) as the state-adopted fire code, and NFPA sprinkler/alarm standards referenced by the adopted building codes. If your project isn't listed, confirm with Montana Department of Labor & Industry — Building Codes Bureau (Business Standards Division, Building and Commercial Measurements Bureau) at (406) 841-2056 before starting work.

In Unincorporated Yellowstone County, the published State Building Permit Fee (Fire Suppression work) is: Calculated based on project valuation, same as the jurisdiction's general Building Permit -- fee schedule not published inline on the application; contact Building Codes Bureau at (406) 841-2056 for the current valuation-based fee table. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a fire sprinkler / fire alarm permit in Unincorporated Yellowstone County typically runs 15–21 business days. This is an estimate, not a published figure — confirm current review times with Montana Department of Labor & Industry — Building Codes Bureau (Business Standards Division, Building and Commercial Measurements Bureau) at (406) 841-2056.

You'll need: Application for Building Permit (BCP-1) -- 'Fire Suppression' Type of Work. See the required-documents checklist on this page for details on each.

Unincorporated Yellowstone County requires 1 inspection(s) for a fire sprinkler / fire alarm permit, in order: Fire Suppression System Inspection. Schedule each through Montana Department of Labor & Industry — Building Codes Bureau (Business Standards Division, Building and Commercial Measurements Bureau) ((406) 841-2056).

Apply through Montana Department of Labor & Industry — Building Codes Bureau (Business Standards Division, Building and Commercial Measurements Bureau) at 301 South Park Ave, Floors 4-5, Helena, MT 59620 (mailing: Building Codes Bureau, PO Box 200517, Helena, MT 59620-0517). Phone: (406) 841-2056, email: buildingcodes@mt.gov. Office hours: Mon–Fri, state business hours; online permitting available 24/7 via https://aca-prod.accela.com/bcb/. Official information: https://bsd.dli.mt.gov/building-codes-permits/.

Unincorporated Yellowstone County, Montana has adopted: 2021 International Building Code (IBC) — adopted statewide by ARM Title 24, Chapter 301; effective June 11, 2022; 2021 International Residential Code (IRC) — ARM Title 24, Chapter 301; effective June 11, 2022; 2021 International Existing Building Code (IEBC) — ARM Title 24, Chapter 301; effective June 11, 2022; ICC A117.1-2017 (Accessibility) — ARM Title 24, Chapter 301; effective June 11, 2022; 2021 Uniform Plumbing Code (UPC) — ARM Title 24, Chapter 301; effective June 11, 2022 (fixture table at ARM 24.301.351); 2021 International Mechanical Code (IMC) — ARM Title 24, Chapter 301; effective June 11, 2022; 2021 International Fuel Gas Code (IFGC) — ARM Title 24, Chapter 301; effective June 11, 2022; 2020 National Electrical Code (NEC) — ARM Title 24, Chapter 301; effective June 11, 2022 (NEC Technical Advisory NEC_TIA-23-3_210.8 issued August 12, 2022); 2021 International Energy Conservation Code (IECC) — ARM Title 24, Chapter 301; effective June 11, 2022; 2021 International Swimming Pool and Spa Code (ISPSC) — ARM Title 24, Chapter 301; effective June 11, 2022; 2021 Wildland Urban Interface Code (WUIC) — ARM Title 24, Chapter 301; effective June 11, 2022; NOTE: All codes listed are statewide codes administered directly by the Montana Building Codes Bureau for areas (like unincorporated Yellowstone County) that are NOT within a certified local-government building code jurisdiction..

No. Neither the Montana DLI Building Codes Bureau's certified-trades roster nor the Montana DOJ's Fire Inspection Certified Jurisdiction roster lists Yellowstone County, so there is no local fire-plan-review office and no standalone fire-sprinkler/alarm permit product. Fire suppression system work is submitted as 'Fire Suppression' Type of Work on the same state Application for Building Permit (BCP-1) used for other construction, and billed under the same valuation-based Building Permit fee.

Sources & verification

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 Unincorporated Yellowstone County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

Other permits in Unincorporated Yellowstone County

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