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Mechanical / HVAC Permit in Rock Springs, Wyoming

Required for heating, cooling, ventilation, and fuel gas installations in Rock Springs. Governed by the 2024 International Mechanical Code (IMC) and 2024 International Fuel Gas Code (IFGC) as adopted by Rock Springs Municipal Code § 150.04. Charged under the general valuation-based building-permit fee schedule.

Verified 2026-07-01 · Source

When you need this permit

  • A permit from the Building Official is required for mechanical/HVAC work associated with construction, alteration, or repair of a building (§ 150.02(A)(1))
  • Design loads and equipment must comply with the adopted 2024 IMC and 2024 IFGC (with appendices A, B, and C for fuel gas)

Required documents

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Fee schedule

Mechanical/HVAC permit fee§ 150.08(A): the IBC fee schedule applies to all adopted codes (including the 2024 IMC and IFGC per § 150.04) unless a specific override is listed; no mechanical-specific override exists in § 150.08(B)
Charged under the general § 150.08(B) valuation-based building-permit fee schedule — no separate flat mechanical fee line is published

Review timeline

Plan reviewTypical estimate — confirm current times with the Rock Springs building department
~1–10 business days

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

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

Inspection process

  1. 1

    Rough-In / Equipment

    Equipment installation and ductwork before walls closed

  2. 2

    Final

    Equipment operational, combustion air verified, venting correct

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

Tips

  • Rock Springs adopted the 2024 IMC (not a Uniform Mechanical Code) for mechanical work, plus the 2024 IFGC for fuel gas piping.
  • Mechanical/HVAC work is charged under the same general valuation-based fee table as building permits — there is no separate published flat fee.

Frequently asked questions

Rock Springs requires a mechanical / hvac permit for: A permit from the Building Official is required for mechanical/HVAC work associated with construction, alteration, or repair of a building (§ 150.02(A)(1)); Design loads and equipment must comply with the adopted 2024 IMC and 2024 IFGC (with appendices A, B, and C for fuel gas). If your project isn't listed, confirm with City of Rock Springs Public Services Department — Building Inspections & Permits (Chief Building Inspector) at (307) 352-1540 before starting work.

In Rock Springs, the published Mechanical/HVAC permit fee is: Charged under the general § 150.08(B) valuation-based building-permit fee schedule — no separate flat mechanical fee line is published. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a mechanical / hvac permit in Rock Springs typically runs 1–10 business days. This is an estimate, not a published figure — confirm current review times with City of Rock Springs Public Services Department — Building Inspections & Permits (Chief Building Inspector) at (307) 352-1540.

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

Rock Springs requires 2 inspection(s) for a mechanical / hvac permit, in order: Rough-In / Equipment, Final. Schedule each through City of Rock Springs Public Services Department — Building Inspections & Permits (Chief Building Inspector) ((307) 352-1540).

Apply through City of Rock Springs Public Services Department — Building Inspections & Permits (Chief Building Inspector) at 212 D Street, Rock Springs, WY 82901. Phone: (307) 352-1540, email: webmaster@rswy.net. Office hours: Mon–Fri, 8:00 a.m. to 5:00 p.m., closed 12:30–1:30 p.m. for lunch. Official information: https://www.rswy.net/departments/public_services/building_inspections_permits.php.

Rock Springs, Wyoming has adopted: 2024 International Building Code (IBC) — with local amendments; adopted per Rock Springs Municipal Code § 150.04, including Appendix E, Appendix I and Appendix J, excluding Chapter 27; 2024 International Residential Code (IRC) — with local amendments per § 150.04(D); including Appendix BF, Appendix B, Appendix C and Appendix CA; excluding R-309, P2904, and several Section R-403.3 subsections/tables/figures; 2024 International Existing Building Code (IEBC) — adopted per § 150.04; 2024 International Mechanical Code (IMC) — with local amendment per § 150.04(C); 2024 International Plumbing Code (IPC) — with local amendment per § 150.04(C); including Appendix D (Degree Day/Design Temperatures), Appendix E (Sizing of Water Pipe Systems) and Appendix C (Structural Safety); 2024 International Fuel Gas Code (IFGC) — including Appendix A, Appendix B and Appendix C; 2024 International Fire Code (IFC) — per City of Rock Springs Building Ordinances page; National Electrical Code, 2023 edition (NFPA) — adopted per § 150.04; enforced locally by the City Electrical Inspector under Rock Springs Municipal Code §§ 150.30–150.36 (city electrical code), NOT the Wyoming State Fire Marshal default program. Local amendments apply — see the Rock Springs overview page for the full list.

The 2024 International Mechanical Code (IMC), adopted per Rock Springs Municipal Code § 150.04, along with the 2024 International Fuel Gas Code (IFGC) for gas piping and appliances.

Sources & verification

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

Fee schedules

Codes & ordinances

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

Rock Springs's permit history isn't searchable here yet

This page covers what the permit requires. What we don't have for Rock Springs yet is the record of permits actually issued — the history you'd search by street address. That is a gap in our coverage, not a statement about any particular property.

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Mechanical / HVAC Permit in other cities

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