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Mechanical / HVAC Permit in Eagle, Idaho

Required for heating, ventilation, air conditioning, fuel gas piping, and related mechanical installations in Eagle residential and commercial properties. Covers furnaces, A/C, heat pumps, gas fireplaces, gas lines, ductwork, hydronic flooring, and similar work. Governed by the 2018 International Mechanical Code (IMC) and 2018 International Fuel and Gas Code (IFGC). Apply through the Contractor Portal.

Verified 2026-07-17 · Source

When you need this permit

  • Install, change, or repair any part of a heating or cooling system
  • Gas piping installation or modification
  • Fireplace installation (gas or electric)
  • Apply through the Eagle Contractor Portal or in person; permit issued when paid in full

Required documents

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Fee schedule

New Residential Single Family — Base Administrative Fee plus HVAC itemsEagle Building Department Fee Schedule (Resolution 23-34, amended Dec 19, 2023 per document header) — Mechanical Fees section
Base fee $65.00, plus $10.00 per HVAC item up to maximum square footage of the residential building
New Residential Single Family — up to 1,500 sq ftEagle Building Department Fee Schedule (Resolution 23-34)
$130.00
New Residential Single Family — 1,501 to 2,500 sq ftEagle Building Department Fee Schedule (Resolution 23-34)
$195.00
New Residential Single Family — 2,501 to 3,500 sq ftEagle Building Department Fee Schedule (Resolution 23-34)
$260.00
New Residential Single Family — 3,501 to 4,500 sq ftEagle Building Department Fee Schedule (Resolution 23-34)
$325.00
New Residential Single Family — over 4,500 sq ftEagle Building Department Fee Schedule (Resolution 23-34) — Mechanical Fees section; row confirmed present on live fee schedule PDF 2026-07-17, previously missing from this record, added
$325.00 plus $65.00 per additional 1,000 sq ft
Existing Residential (retrofits, additions) — Base Administrative FeeEagle Building Department Fee Schedule (Resolution 23-34)
$65.00 base plus $10.00 for each duct, fireplace, HVAC equipment, or vent
Fireplace (Gas or Electric)Eagle Building Department Fee Schedule (Resolution 23-34)
$75.00
Fireplace Installation (two inspections)Eagle Building Department Fee Schedule (Resolution 23-34)
$130.00
Hydronic FlooringEagle Building Department Fee Schedule (Resolution 23-34)
$65.00 plus $10.00 for each additional manifold
Gas Line Base Administrative FeeEagle Building Department Fee Schedule (Resolution 23-34)
$65.00
Re-inspection FeeEagle Building Department Fee Schedule (Resolution 23-34)
$65.00 minimum

Review timeline

Plan reviewTypical estimate — confirm current times with the Eagle building department
~1–5 business days

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

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

Inspection process

  1. 1

    Gas Piping Pressure Test

    Required before concealing gas piping — verify no leaks under test pressure

  2. 2

    Rough-In / Ductwork

    Mechanical equipment and ductwork before walls closed — verify clearances and support per 2018 IMC

  3. 3

    Final

    Equipment operational, combustion air verified, venting correct per 2018 IMC/IFGC

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

Tips

  • Fireplace installations (two inspections) are $130; standalone fireplace permit (gas or electric) is $75.
  • Hydronic flooring systems require a mechanical permit: $65 base plus $10 per additional manifold.
  • Submit all inspection requests through the Contractor Portal before 4:00 PM for next-business-day scheduling.
  • Payment is due in full before the permit is issued.
  • Eagle uses the 2018 IMC and 2018 IFGC — not the IRC mechanical chapters for commercial work.

Frequently asked questions

Yes. Furnace replacements and HVAC modifications require a mechanical permit in Eagle. For existing residential work, the fee is $65 base plus $10 per HVAC item. Apply through the Eagle Contractor Portal or in person at 660 E Civic Lane. Source: Eagle Building Department Fee Schedule, Resolution 23-34.

In Eagle, the published New Residential Single Family — Base Administrative Fee plus HVAC items is: Base fee $65.00, plus $10.00 per HVAC item up to maximum square footage of the residential building. Additional published fees: New Residential Single Family — up to 1,500 sq ft — $130.00; New Residential Single Family — 1,501 to 2,500 sq ft — $195.00; New Residential Single Family — 2,501 to 3,500 sq ft — $260.00; New Residential Single Family — 3,501 to 4,500 sq ft — $325.00; New Residential Single Family — over 4,500 sq ft — $325.00 plus $65.00 per additional 1,000 sq ft; Existing Residential (retrofits, additions) — Base Administrative Fee — $65.00 base plus $10.00 for each duct, fireplace, HVAC equipment, or vent; Fireplace (Gas or Electric) — $75.00; Fireplace Installation (two inspections) — $130.00; Hydronic Flooring — $65.00 plus $10.00 for each additional manifold; Gas Line Base Administrative Fee — $65.00; Re-inspection Fee — $65.00 minimum. 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 Eagle typically runs 1–5 business days. This is an estimate, not a published figure — confirm current review times with City of Eagle Building Division at 208-489-8760.

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

Eagle requires 3 inspection(s) for a mechanical / hvac permit, in order: Gas Piping Pressure Test, Rough-In / Ductwork, Final. Schedule each through City of Eagle Building Division (208-489-8760).

Apply through City of Eagle Building Division at 660 E Civic Lane, Eagle, ID 83616. Phone: 208-489-8760, email: building@cityofeagle.org. Office hours: Mon–Fri 9:00 AM – 4:00 PM (phone hours). Official information: https://www.cityofeagle.org/153/Building.

Eagle, Idaho has adopted: 2018 International Building Code (IBC) — effective January 1, 2021; 2018 International Residential Code (IRC) — effective January 1, 2021; 2018 International Energy Conservation Code (IECC) — Residential with State Amendments; effective January 1, 2021; 2018 International Energy Conservation Code (IECC) — Commercial; effective January 1, 2021; 2018 International Existing Building Code (IEBC) — effective January 1, 2021; 2018 International Mechanical Code (IMC) — effective January 1, 2021; 2018 International Fuel and Gas Code (IFGC) — effective January 1, 2021; 2018 International Fire Code (IFC) — effective January 1, 2021; 2023 National Electrical Code (NEC/NFPA 70) — adopted via Idaho Electrical Board; 2017 Idaho State Plumbing Code (ISPC — IAPMO) — effective January 1, 2021; 1997 Uniform Code for the Abatement of Dangerous Buildings; 2018 International Urban-Wildland Interface Code. Local amendments apply — see the Eagle overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-17.

Fee schedules

Department & other records

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 Eagle 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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Related guides

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