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 2026-06-29 · 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
- Req
Mechanical Permit Application
Submitted through the Eagle Contractor Portal (eagle_permit.portal.iworq.net) or in person at 660 E Civic Lane
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| New Residential Single Family — Base Administrative Fee plus HVAC items | Base fee $65.00, plus $10.00 per HVAC item up to maximum square footage of the residential building | Eagle Building Department Fee Schedule (Resolution 23-34, Jan 2023) — Mechanical Fees section |
| New Residential Single Family — up to 1,500 sq ft | $130.00 | Eagle Building Department Fee Schedule (Resolution 23-34) |
| New Residential Single Family — 1,501 to 2,500 sq ft | $195.00 | Eagle Building Department Fee Schedule (Resolution 23-34) |
| New Residential Single Family — 2,501 to 3,500 sq ft | $260.00 | Eagle Building Department Fee Schedule (Resolution 23-34) |
| New Residential Single Family — 3,501 to 4,500 sq ft | $325.00 | Eagle Building Department Fee Schedule (Resolution 23-34) |
| Existing Residential (retrofits, additions) — Base Administrative Fee | $65.00 base plus $10.00 for each duct, fireplace, HVAC equipment, or vent | Eagle Building Department Fee Schedule (Resolution 23-34) |
| Fireplace (Gas or Electric) | $75.00 | Eagle Building Department Fee Schedule (Resolution 23-34) |
| Fireplace Installation (two inspections) | $130.00 | Eagle Building Department Fee Schedule (Resolution 23-34) |
| Hydronic Flooring | $65.00 plus $10.00 for each additional manifold | Eagle Building Department Fee Schedule (Resolution 23-34) |
| Gas Line Base Administrative Fee | $65.00 | Eagle Building Department Fee Schedule (Resolution 23-34) |
| Re-inspection Fee | $65.00 minimum | Eagle Building Department Fee Schedule (Resolution 23-34) |
Review timeline
~1–5 business days
Typical estimate — confirm current times with the Eagle building department
Inspection process
- 1
Gas Piping Pressure Test
Required before concealing gas piping — verify no leaks under test pressure
- 2
Rough-In / Ductwork
Mechanical equipment and ductwork before walls closed — verify clearances and support per 2018 IMC
- 3
Final
Equipment operational, combustion air verified, venting correct per 2018 IMC/IFGC
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
- Do I need a mechanical permit to replace my furnace in Eagle?
- 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.
Sources & verification
Verified against official sources. Last reviewed 2026-06-29.
- City of Eagle Building Division — official building department
- Mechanical Permits | City of Eagle
- Eagle Building Department Fee Schedule (Resolution 23-34, Jan 2023) — PDF
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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