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Mechanical / Fuel Gas Permit in Unincorporated Teton County, Wyoming

Required for HVAC, furnace, and fuel-gas appliance installation, alteration, or repair in unincorporated Teton County. Issued as a trade permit via the County Online Portal, governed by the 2024 IMC and 2024 IFGC.

Verified 2026-07-01 · Source

When you need this permit

  • Apply via the Teton County Online Portal (SmartGov) — no submission-week scheduling required for trade permits
  • Typically issued within 48 hours if submitted correctly
  • Governed by 2024 International Mechanical Code (Appendix A — Combustion Air Openings and Chimney Connector Pass-Throughs) and 2024 International Fuel Gas Code (all appendices excluded)

Required documents

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Fee schedule

For issuing each permitTETON COUNTY FEE SCHEDULE 2026
$60.00
For each supplemental permitFor which the original permit has not expired, been cancelled, or finaled
$30.00
Additional per-appliance fees (furnaces, hoods, etc.)e.g., mechanical exhaust hood $10.00; see full fee schedule for furnace/appliance line items
Itemized in the Mechanical Code and Fuel Gas Code Permit Fees section

Review timeline

Plan reviewTypical estimate — confirm current times with the Unincorporated Teton County building department
~5–20 business days

How long did your Mechanical / Fuel Gas Permit permit actually take in Unincorporated Teton County?

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

Inspection process

  1. 1

    Rough-In

  2. 2

    Final

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

Frequently asked questions

Unincorporated Teton County requires a mechanical / fuel gas permit for: Apply via the Teton County Online Portal (SmartGov) — no submission-week scheduling required for trade permits; Typically issued within 48 hours if submitted correctly; Governed by 2024 International Mechanical Code (Appendix A — Combustion Air Openings and Chimney Connector Pass-Throughs) and 2024 International Fuel Gas Code (all appendices excluded). If your project isn't listed, confirm with Teton County Planning & Building Services Department — Building Division at 307-733-3959 (Building Official/fee estimates: 307-733-7030; Inspection Line: 307-732-5745) before starting work.

In Unincorporated Teton County, the published For issuing each permit is: $60.00. Additional published fees: For each supplemental permit — $30.00; Additional per-appliance fees (furnaces, hoods, etc.) — Itemized in the Mechanical Code and Fuel Gas Code Permit Fees section. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a mechanical / fuel gas permit in Unincorporated Teton County typically runs 5–20 business days. This is an estimate, not a published figure — confirm current review times with Teton County Planning & Building Services Department — Building Division at 307-733-3959 (Building Official/fee estimates: 307-733-7030; Inspection Line: 307-732-5745).

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

Unincorporated Teton County requires 2 inspection(s) for a mechanical / fuel gas permit, in order: Rough-In, Final. Schedule each through Teton County Planning & Building Services Department — Building Division (307-733-3959 (Building Official/fee estimates: 307-733-7030; Inspection Line: 307-732-5745)).

Apply through Teton County Planning & Building Services Department — Building Division at 200 S. Willow Street, Jackson, WY 83001 (P.O. Box 1727, Jackson, WY 83001-1727). Phone: 307-733-3959 (Building Official/fee estimates: 307-733-7030; Inspection Line: 307-732-5745), email: permittech@tetoncountywy.gov. Office hours: Applications submitted through the Teton County Online Portal (SmartGov); New Residential Construction, Commercial New Construction, and Miscellaneous (under 500 sq ft) permits require a scheduled submission/take-in week booked via the Bookings page. Trade permits (mechanical, plumbing, demolition, re-roof) do not require a submission week and are typically issued within 48 hours.. Official information: https://www.tetoncountywy.gov/560/Building.

Unincorporated Teton County, Wyoming has adopted: 2024 International Building Code (IBC), including Appendix C (Group U-Agricultural Buildings) and Appendix I (Patio Covers) — Teton County Building Codes Resolution, effective February 1, 2025; 2024 International Residential Code (IRC), including Appendix BB (Tiny Houses) and Appendix AF (Radon Control Methods) — effective February 1, 2025; 2024 International Plumbing Code (IPC), including Appendix E (Sizing of Water Piping System); 2024 International Mechanical Code (IMC), including Appendix A (Combustion Air Openings and Chimney Connector Pass-Throughs); 2024 International Fuel Gas Code (IFGC), all appendices excluded; 2021 International Energy Conservation Code (IECC), all appendices excluded; 2024 International Existing Building Code (IEBC), including Appendix A (Guidelines for the Seismic Retrofit of Existing Buildings); 2024 International Property Maintenance Code (IPMC), applied only to the extent referenced provisions relate to fire and life safety; 2023 National Electrical Code (NEC) — enforced by the Electrical Division of the Jackson Hole Fire/EMS Department (Section 101.4.8 Electrical, County Building Codes Resolution); 2024 International Wildland-Urban Interface Code (IWUIC) — adopted jointly by the Town of Jackson and Teton County; enforced by Jackson Hole Fire/EMS. Local amendments apply — see the Unincorporated Teton County overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-01.

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

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