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Residential Mechanical / HVAC Permit in Havre, Montana

Required for mechanical/HVAC work anywhere in Havre (city limits) and Hill County, including furnaces, gas piping, ventilation, and cooling equipment. Because Havre is NOT mechanically-certified, this permit is issued directly by the Montana Department of Labor & Industry Building Codes Bureau (Helena) under the 2021 International Mechanical Code, not the city.

Verified 2026-07-02 · Source

When you need this permit

  • Accurate location and owner information required for permitting
  • Type of Building (Multiple Family, Commercial/Public, Accessory Building, Public Building, Factory Building, Warehouse Building) and Type of Work (New, Addition/remodel, Alteration) must be indicated
  • Project Value must be provided; permit fee is calculated from the state's valuation-based fee schedule
  • Description of work checklist covers air handling units, furnaces with ducts, repair/alteration of heating or cooling systems, ventilation systems, refrigeration work, appliance venting, gas piping (any type), mechanical exhaust systems, evaporative coolers, and compressors
  • Boiler work requires a separate Boiler Permit form, not the Mechanical Permit
  • Apply in accordance with Title 50, Chapter 60, Section 104, MCA and ARM 24.301.172

Required documents

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Fee schedule

Mechanical Permit — Project value $0–$10,000Montana Building Codes Bureau, Application for Mechanical Permit (BCP-1, Rev. 06/2022), Fee Schedule
$48 for the first $1,000, plus $14 for each additional $1,000 or fraction thereof
Mechanical Permit — Project value $10,001–$50,000Application for Mechanical Permit (BCP-1, Rev. 06/2022), Fee Schedule
$166 for the first $10,000, plus $9 for each additional $1,000 or fraction thereof
Mechanical Permit — Project value $50,001 or moreApplication for Mechanical Permit (BCP-1, Rev. 06/2022), Fee Schedule
$514 for the first $50,000, plus $6 for each additional $1,000 or fraction thereof

Review timeline

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

How long did your Residential Mechanical / HVAC Permit permit actually take in Havre?

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Inspection process

    Tips

    • Mechanical permits in Havre are issued by the STATE Building Codes Bureau in Helena, not the city — mail applications and payment to PO Box 200517, Helena, MT 59620-0517, or apply online at ebiz.mt.gov.
    • Example from the state's own application form: a $9,460 furnace project costs $48 (first $1,000) + 9 x $14 (nine additional $1,000 fractions up to $9,000) = $174.00 total.
    • Boiler installations use a separate Boiler Permit form, not this Mechanical Permit application.

    Frequently asked questions

    Yes. Furnace replacement requires a state Mechanical Permit issued by the Montana Building Codes Bureau (not the city), since Havre is not mechanically-certified. The fee is calculated from project value: $48 for the first $1,000 plus $14 per additional $1,000 or fraction thereof, up to $10,000.

    In Havre, the published Mechanical Permit — Project value $0–$10,000 is: $48 for the first $1,000, plus $14 for each additional $1,000 or fraction thereof. Additional published fees: Mechanical Permit — Project value $10,001–$50,000 — $166 for the first $10,000, plus $9 for each additional $1,000 or fraction thereof; Mechanical Permit — Project value $50,001 or more — $514 for the first $50,000, plus $6 for each additional $1,000 or fraction thereof. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

    Plan review for a residential mechanical / hvac permit in Havre typically runs 1–5 business days. This is an estimate, not a published figure — confirm current review times with City of Havre Public Works Department (Building Division) — city-certified for Building permits only; Electrical, Plumbing, and Mechanical permits are issued directly by the Montana Department of Labor & Industry Building Codes Bureau at (406) 265-4941.

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

    Apply through City of Havre Public Works Department (Building Division) — city-certified for Building permits only; Electrical, Plumbing, and Mechanical permits are issued directly by the Montana Department of Labor & Industry Building Codes Bureau at 520 4th Street, PO Box 231, Havre, MT 59501. Phone: (406) 265-4941, email: PWinfo@ci.havre.mt.us. Office hours: Mon–Fri 8:00 AM – 5:00 PM. Official information: https://www.ci.havre.mt.us/public-works.

    Havre, Montana has adopted: 2021 International Building Code (IBC) — adopted by the City of Havre by reference of the code adopted by the Building Codes Bureau, Montana Department of Labor & Industry (Havre City Code 4-1-1; Ord. 852, 2-21-2006; Ord. 846, 2-18-2003); statewide effective date June 11, 2022; 2021 International Residential Code (IRC) — statewide edition referenced by Havre's Roofing Permit checklist (citing 2021 IRC Sections 905.2.1, 905.1.2, R806); statewide effective June 11, 2022; 2021 International Energy Conservation Code (IECC) — statewide edition referenced by Havre's Roofing Permit checklist (citing 2021 IECC Section C504); statewide effective June 11, 2022; 2021 International Existing Building Code (IEBC) — statewide edition per Montana Building Codes Bureau Current Codes page; statewide effective June 11, 2022; 2021 International Mechanical Code (IMC) — statewide edition, state-administered permit (Havre is not Mechanical-certified); effective June 11, 2022; 2021 International Fuel Gas Code (IFGC) — statewide edition; effective June 11, 2022; 2021 Uniform Plumbing Code (UPC) — statewide edition, state-administered permit (Havre is not Plumbing-certified); effective June 11, 2022; 2020 National Electrical Code (NEC) — statewide edition per Montana Building Codes Bureau Current Codes page, state-administered permit (Havre is not Electrical-certified); effective June 11, 2022; 2021 International Swimming Pool and Spa Code (ISPSC) — statewide edition; effective June 11, 2022; 2017 ICC A117.1 Accessibility Standard — statewide edition per Montana Building Codes Bureau Current Codes page. Local amendments apply — see the Havre 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 Havre building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

    Other permits in Havre

    Residential Building Permit (New Construction / Addition / Remodel)Roofing Permit (Repair or Replacement)Miscellaneous Building Permit (Fence, Driveway, Sidewalk, Curb Cut)Residential Electrical PermitResidential Plumbing Permit (including Water Heater)Solar Photovoltaic (PV) Permit — Alternative Energy SourceEV Charger / EVSE PermitSign PermitFire Sprinkler & Fire Alarm System PermitCertificate of Occupancy / Business Registration (Change of Use)

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