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Mechanical / HVAC Permit in Unincorporated Laramie County, Wyoming

Required for heating, cooling, ventilation, and fuel-gas installations in unincorporated Laramie County, charged as a 'Counter: Plumbing/Mechanical/Electrical/Gas' permit under the county's general valuation-based fee schedule.

Verified 2026-07-01 · Source

When you need this permit

  • Required to erect, install, enlarge, alter, repair, remove, convert, or place any mechanical or gas system regulated by code
  • Generator installations: electrical upgrades over 200 amp require stamped plans and review fees
  • Applied for as a standalone 'Counter' permit, or combined with a building permit

Required documents

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Fee schedule

Mechanical/Gas (Counter) Permit — no separate flat feeLaramie County Building Permit Fee Schedule (PDF)
Charged under the general valuation-based Building Permit Fee / Plan Review Fee schedule — no dedicated flat mechanical-permit fee line exists
Additional plan review required by changes, additions, or revisionsLaramie County Building Permit Fee Schedule — applies to mechanical/gas revisions as with other trades
$50.00 per hour, minimum 1 hour charge

Review timeline

Plan reviewUnincorporated Laramie County’s published plan-review target
7–10 business days

How long did your Mechanical / HVAC Permit permit actually take in Unincorporated Laramie County?

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

Inspection process

  1. 1

    Rough Mechanical / Gas Piping

    Before walls are closed or piping concealed

  2. 2

    Final

    Equipment operational and venting verified

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

Tips

  • Generator installs paired with an electrical upgrade over 200 amps require stamped engineered plans and plan review fees, in addition to the generator permit itself.

Frequently asked questions

Yes. Per the county's Building Department FAQ, permits and inspections are required to install a personal wind turbine, solar system, and/or generator.

In Unincorporated Laramie County, the published Mechanical/Gas (Counter) Permit — no separate flat fee is: Charged under the general valuation-based Building Permit Fee / Plan Review Fee schedule — no dedicated flat mechanical-permit fee line exists. Additional published fees: Additional plan review required by changes, additions, or revisions — $50.00 per hour, minimum 1 hour charge. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Unincorporated Laramie County's published plan-review target for a mechanical / hvac permit is 7–10 business days.

You'll need: Counter Permit Application — Mechanical/Gas (SmartGov portal). Depending on your project, Unincorporated Laramie County may also ask for: Generator Specifications. See the required-documents checklist on this page for details on each.

Unincorporated Laramie County requires 2 inspection(s) for a mechanical / hvac permit, in order: Rough Mechanical / Gas Piping, Final. Schedule each through Laramie County Planning and Development Department — Building Division ((307) 633-4303).

Apply through Laramie County Planning and Development Department — Building Division at 3966 Archer Parkway, Cheyenne, WY 82009. Phone: (307) 633-4303, email: building@laramiecountywy.gov. Office hours: Monday–Friday 7:00 AM–5:30 PM (closed Saturday/Sunday); Building Inspection line (307) 633-4615; fax (307) 633-4519. Official information: https://www.laramiecountywy.gov/County-Government/County-Departments/Planning-Development/Laramie-County-Building.

Unincorporated Laramie County, Wyoming has adopted: 2024 International Building Code (IBC) — adopted with amendments effective January 1, 2025 (Laramie County 2024 International Building Code Adoption resolution); 2024 International Residential Code (IRC) — adopted with amendments effective January 1, 2025; Section R105.2 (Work Exempt from Permit) amended by Resolution #251202-14 (passed Dec. 2, 2025) raising the detached accessory-structure permit exemption threshold from 200 to 400 square feet; 2024 International Residential Code Section R303.5.10 amendment — Laramie County provided statutory notice of intent to exempt residential detached accessory buildings without habitable space from the closed-cell spray foam insulation requirements of R306.6 (Resolution dated 9/16/25); 2024 International Fire Code (IFC) — adopted effective April 15, 2025; 2023 National Electrical Code (NEC) — adopted by Laramie County Board of Commissioners resolution at the December 5, 2023 public hearing; IRC Appendix BC — Accessory Dwelling Units (ADU): Laramie County's official ADU construction handout is the 2024 IRC Appendix BC text itself (scanned/distributed as the county's ADU building-code standard). Local amendments apply — see the Unincorporated Laramie 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 Laramie County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

Other permits in Unincorporated Laramie County

Residential Building Permit (New Single-Family Residence)Residential Addition, Remodel, Deck/Patio/Porch, and Basement Finish PermitElectrical PermitPlumbing PermitRoofing PermitSolar PV PermitAccessory Dwelling Unit (ADU) PermitDemolition PermitCommercial Tenant Improvement / Renovation PermitEV Charger / EVSE PermitCommercial Sign PermitFire Sprinkler System Permit (Wyoming State Fire Marshal)Fire Alarm System Permit (Wyoming State Fire Marshal)Change of Use / Certificate of Occupancy Permit (Commercial Plan Review)

Mechanical / HVAC Permit in other cities

Casper, WyomingCheyenne, WyomingEvanston, WyomingGillette, WyomingGreen River, WyomingJackson, WyomingLaramie, WyomingRiverton, Wyoming

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