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Mechanical / HVAC Permit in Manhattan, Montana

Required for heating, ventilation, air conditioning, and gas piping installations in Manhattan, governed by the Uniform Mechanical/Fuel Gas Code provisions adopted via the state model technical codes. Manhattan is a Montana DLI-certified jurisdiction for mechanical permitting, bundled into the same combined application as the building permit.

Verified 2026-07-03 · Source

When you need this permit

  • Mechanical permit required for installation of heating systems and gas piping, per the Town's list of work requiring a permit ('Heating systems/gas piping (mechanical)')
  • Governed by the current Uniform Mechanical Code / IMC and IFGC editions as adopted by the Montana DLI Building Codes Bureau and incorporated by reference per Town Code 12-1-1; deals with minimum requirements for heating, cooling, ventilation equipment, and gas piping/pipe types
  • Separate permits are required for mechanical systems and for fire suppression systems in addition to the base building permit (per the Town's 'How To Obtain A Building Permit' guide)
  • Manhattan is DLI-certified for Mechanical (M) permitting within town limits — permits issued locally, not by the state

Required documents

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Fee schedule

Filing fee
Not published — contact the department

Review timeline

Plan review
Not published — contact the department

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

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Inspection process

  1. 1

    Rough-In

    Ductwork, gas piping, and mechanical equipment rough-in inspected before concealment; Building Department prefers mechanical rough-in be combined with framing/electrical rough-in on the same inspection call

  2. 2

    Final

    Equipment operational; venting, combustion air, and clearances verified

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

Tips

  • A separate permit is explicitly required for mechanical systems in Manhattan, distinct from the base building permit, per the Town's own guidance.
  • Manhattan is a Montana DLI-certified jurisdiction for mechanical permitting — permits are issued locally by the Town, not the state.
  • The Building Department prefers mechanical rough-in inspections be combined with framing inspections on the same call — schedule accordingly by calling (406) 595-9300 by 4:30 PM the day before.

Frequently asked questions

Yes. The Town of Manhattan's building permit guide explicitly lists 'Separate permits are required for mechanical and fire suppression systems' in addition to the base building permit. No standalone fee figure is published online; contact the Town Office at (406) 284-3235 for current fees.

Manhattan does not publish a plan-review timeline for this permit. Contact Town of Manhattan Building Division at (406) 284-3235 for current turnaround.

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

Manhattan requires 2 inspection(s) for a mechanical / hvac permit, in order: Rough-In, Final. Schedule each through Town of Manhattan Building Division ((406) 284-3235).

Apply through Town of Manhattan Building Division at 207 South Sixth Street (P.O. Box 96), Manhattan, MT 59741. Phone: (406) 284-3235, email: townofmanhattan@gmail.com. Office hours: Town Office, 207 S. 6th St., Manhattan, MT 59741, Monday-Friday 8:30 AM - 5:00 PM (Town Office/Zoning: 406-284-3235; Building Official Brandon Yung: 406-595-9300, byung.town@gmail.com). Official information: https://www.townofmanhattan.com/building-zoning.

Manhattan, 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 (building, plumbing, electrical, mechanical, swimming pool, etc.); non-certified areas/trades fall under direct state administration by the DLI Building Codes Bureau. Source: Montana DLI Building Codes Bureau, Certified City, County and Town Programs list (bsd.dli.mt.gov/_docs/building-codes-permits/certified-city.pdf) and Current Codes page (bsd.dli.mt.gov/building-codes-permits/current-codes).; Manhattan is a Montana DLI-certified jurisdiction for Building (B), Mechanical (M), Plumbing (P), Electrical (E), AND Swimming Pool (SP) within Manhattan town limits — full certification across all five trade categories, matching Billings and Belgrade. Certified building official on file with DLI: Brandon Yung. Verified directly against the DLI's official 'Certified City, County and Town Programs' roster (PDF, updated 2026-04-22): the Manhattan row reads 'Manhattan | B, M, P, E, SP | Brandon Yung | | City Limits'. Source: https://bsd.dli.mt.gov/_docs/building-codes-permits/certified-city.pdf; Manhattan Town Code section 12-1-1 (Adoption Of The Model Technical Codes And Administrative Rules): 'The current editions of the model uniform technical codes, to include, but not be limited to, building, plumbing, electrical and mechanical, and all accompanying appendices, amendments and modifications adopted or required to be adopted by the building codes bureau, Montana department of labor and industry (or its successor) as set out in the administrative rules of Montana, as amended from time to time by the building codes bureau, are adopted by reference.' This incorporates the same statewide code editions used by other DLI-certified Montana jurisdictions (2021 IBC, 2021 IRC, 2021 IMC, 2021 IFGC, 2021 IEBC, 2021 UPC, 2021 IECC, 2021 ISPSC, 2020 NEC, ICC A117.1-2017), automatically updated as the Building Codes Bureau amends ARM Title 24, Chapter 301 (effective 60 days after a signed mayoral administrative order per 12-1-1.C). Source: Manhattan Town Code 12-1-1, https://codelibrary.amlegal.com/codes/manhattanmt/latest/manhattan_mt/0-0-0-6397 (Ord. 287, 2-10-2004; amd. Ord. 299, 11-9-2004; Ord. 06-007, 6-13-2006; Ord. 24-005, 5-9-2024); Manhattan Town Code section 12-1-2.C: 'Plans shall be reviewed and inspections made in accordance with the rules and procedures of the Bozeman city building code enforcement division.' This is a notable local arrangement — Manhattan's own Building Official (Brandon Yung) issues permits locally under Manhattan's DLI certification, but plan review and inspection procedure follows the City of Bozeman Building Division's rules and procedures. Source: Manhattan Town Code 12-1-2, https://codelibrary.amlegal.com/codes/manhattanmt/latest/manhattan_mt/0-0-0-6411 (Ord. 297, 8-9-2004; amd. Ord. 24-005, 5-9-2024); Manhattan Town Code Title 12, Chapter 1 (Building Codes) is available at https://codelibrary.amlegal.com/codes/manhattanmt/latest/manhattan_mt/0-0-0-6392; Manhattan Town Code Title 10, Chapter 2 (Administration and Enforcement / Zoning Permit) at https://codelibrary.amlegal.com/codes/manhattanmt/latest/manhattan_mt/0-0-0-3289. Local amendments apply — see the Manhattan overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-03.

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

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Mechanical / HVAC Permit in other cities

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