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Mechanical / HVAC Permit in Stevensville, Montana

Required for heating, ventilation, air conditioning, and related mechanical installations in Stevensville, governed by the 2018 International Mechanical Code (IMC) and International Fuel Gas Code (IFGC) as adopted by the Town. Stevensville is a Montana DLI-certified jurisdiction for mechanical permitting.

Verified 2026-07-04 · Source

When you need this permit

  • Mechanical permit required for furnaces, boilers, compressors, HVAC equipment, gas piping, fireplaces, wood/gas/pellet stoves, and related mechanical systems
  • Total cost of project (labor + materials + equipment) determines permit fee; applicant may be required to show verification/documentation of costs
  • Permit becomes null and void if work is not commenced within 180 days, or suspended/abandoned for 180 days after commencing

Required documents

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Fee schedule

Mechanical system valuation — $1 to $10,000Town of Stevensville Mechanical Permit Application fee table
$50.00 for the first $1,000 plus $15.00 for each additional $1,000 or fraction thereof above $1,000
Mechanical system valuation — $10,000 to $50,000Town of Stevensville Mechanical Permit Application fee table
$185.00 for the first $10,000 plus $10.00 for each additional $1,000 or fraction thereof above $10,000
Mechanical system valuation — $50,000 and upTown of Stevensville Mechanical Permit Application fee table
$585.00 for the first $50,000 plus $5.00 for each additional $1,000 or fraction thereof above $50,000
Plan Review FeeTown of Stevensville Mechanical Permit Application; printed directly on the application form as an add-on to the calculated permit fee
25% of the calculated mechanical permit fee

Review timeline

Plan review
Not published — contact the department

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

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

Inspection process

  1. 1

    Rough-In

    Ductwork, gas piping, and mechanical equipment rough-in before walls closed

  2. 2

    Final

    Equipment operational, clearances and venting verified

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

Tips

  • A $2,000 furnace/HVAC job would cost $50 + $15 = $65 under the first-tier schedule, plus a 25% plan review add-on ($16.25), for $81.25 total.
  • Stevensville is a Montana DLI-certified jurisdiction for mechanical (M) permitting within town limits.
  • No mechanical-permit-specific review timeline was found published; see the Building Permit entry's reviewTimelineNote for the full chase trail.

Frequently asked questions

Stevensville requires a mechanical / hvac permit for: Mechanical permit required for furnaces, boilers, compressors, HVAC equipment, gas piping, fireplaces, wood/gas/pellet stoves, and related mechanical systems; Total cost of project (labor + materials + equipment) determines permit fee; applicant may be required to show verification/documentation of costs; Permit becomes null and void if work is not commenced within 180 days, or suspended/abandoned for 180 days after commencing. If your project isn't listed, confirm with Town of Stevensville Building Department at (406) 777-5271 before starting work.

Fees are valuation-based: $50 for the first $1,000 plus $15 per additional $1,000 up to $10,000; $185 for the first $10,000 plus $10 per additional $1,000 up to $50,000; and $585 for the first $50,000 plus $5 per additional $1,000 above that, plus a 25% plan review fee. Source: Town of Stevensville Mechanical Permit Application.

Stevensville does not publish a plan-review timeline for this permit. Contact Town of Stevensville Building Department at (406) 777-5271 for current turnaround.

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

Stevensville requires 2 inspection(s) for a mechanical / hvac permit, in order: Rough-In, Final. Schedule each through Town of Stevensville Building Department ((406) 777-5271).

Apply through Town of Stevensville Building Department at 206 Buck Street, Stevensville, MT 59870 (mailing: PO Box 30, Stevensville, MT 59870). Phone: (406) 777-5271, email: INSPECTOR@constructmt.com. Office hours: Town Hall main line (406) 777-5271, Building Office extension 105. Regular inspection hours: Monday, Wednesday, and Friday, 10:00 am - 12:30 pm (inspections by appointment only, 24 hours' notice required). Building Inspector Tim Netzley: (406) 880-5832. Inspection scheduling / general inspector line: (406) 552-3238, INSPECTOR@constructmt.com. Source: Town of Stevensville Building page (townofstevensville.com/building) and Building FAQs page (townofstevensville.com/building/page/building-faqs).. Official information: https://www.townofstevensville.com/building.

Stevensville, Montana has adopted: Montana has a mandatory statewide building code administered by the Montana Department of Labor & Industry (DLI) Building Codes Bureau, amended by the Administrative Rules of Montana (ARM) Title 24, Chapter 301. Cities, counties, and towns may become 'certified' to locally administer permitting and inspection for all or part of the code; a certified local program's adopted code 'may include only codes adopted by the Building Codes Bureau' (ARM 24.301.202). Non-certified areas fall under direct state administration by the DLI Building Codes Bureau. Source: Montana DLI Building Codes Bureau, Certified City, County and Town Programs (bsd.dli.mt.gov/_docs/building-codes-permits/certified-city.pdf, updated 04/22/2026).; Stevensville is a Montana DLI-certified jurisdiction for Building (B), Plumbing (P), Electrical (E), Mechanical (M), and Swimming Pool (SP) — full-trade certification — within Stevensville city limits. Certified program contact on file with DLI: Tim Netzley, 880-5832. Source: Montana DLI Building Codes Bureau, 'Certified City, County and Town Programs' roster (bsd.dli.mt.gov/_docs/building-codes-permits/certified-city.pdf, updated 04/22/2026), row 'Stevensville — B,P,E,M,SP — Tim Netzley — 880-5832 — City Limits'. Directly verified by fetching and extracting the PDF text during this research pass (2026-07-04).; Per the Town's own 'Adopted Building Codes' notice (currently_adopted_building_codes.docx): Montana adopted several updated building code editions with amendments under ARM 24.301.202(1) on December 7, 2019, giving municipalities 90 days to formally adopt. The Town of Stevensville complied with adoption and enforcement of new projects as of February 17, 2020. Codes in effect per that notice: 2018 Uniform Plumbing Code, 2018 International Mechanical Code, 2018 International Fuel Gas Code, 2018 NFPA 99C (Gas and Vacuum Systems), 2017 National Electrical Code, 2018 International Building Code, 2018 International Residential Code, 2012 International Energy Conservation Code (explicitly stated to remain in effect, not updated to a later edition), 2018 International Existing Building Code, 2018 International Swimming Pool and Spa Code. Signed by Tim Netzley, Building Official, Town of Stevensville. Source: Town of Stevensville, 'Currently Adopted Building Codes' (townofstevensville.com/forms, currently_adopted_building_codes.docx).; This code-edition set (2018-vintage IBC/IRC/UPC/IMC/IFGC/IEBC/ISPSC, 2017 NEC, 2012 IECC) is older than the 2021-cycle codes now in effect statewide per the DLI's Current Codes page and is one edition cycle behind Hamilton's and Darby's currently-adopted 2021 codes; this is Stevensville's own most recently published adoption notice and is reported as-is rather than assumed to have been silently updated to the 2021 cycle without a superseding notice found on the Town's site.; Montana uses the Uniform Plumbing Code (UPC), not the International Plumbing Code.. Local amendments apply — see the Stevensville overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-04.

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

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