Mechanical / HVAC Permit in Coeur d'Alene, Idaho
VerifiedRequired for new installation, alteration, repair, replacement, or removal of ductwork, heating, ventilating, or air conditioning equipment (HVAC) and gas piping in Coeur d'Alene. Governed by the locally-adopted 2018 International Mechanical Code (IMC) and 2018 International Fuel Gas Code (IFGC). The City issues Mechanical Permits directly using its own itemized fee schedule.
Verified 2026-07-03 · Source
When you need this permit
- Mechanical permit required for new installations, alterations, repair, replacement, remodel, and/or removal of ductwork, HVAC equipment, and gas piping
- Contractor must hold a current State of Idaho HVAC/mechanical license and current City of Coeur d'Alene contractor registration
- For new construction (effective January 1, 2010 requirement, still in force): ACCA Manual J and D worksheets, a mechanical plan showing duct system locations/sizes/fittings, and manufacturer's data sheets for proposed HVAC appliances
- Fee is itemized per equipment type/size (air handlers, boilers, furnaces, heat pumps, gas piping outlets, hoods, ventilating fans, woodstoves, etc.) plus a flat processing fee
Required documents
- Required
Mechanical Permit Application
City of Coeur d'Alene Mechanical Permit Application (revised 3/17/2026); itemized fee table by equipment type and quantity
- Required
Residential HVAC System Design Form
Required for new dwellings: ACCA Manual J load calculations, Manual D duct distribution design, and equipment/blower data
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Processing Fee | $40.00 (1 unit, flat) | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Air Handler < 10,000 CFM | $14 per unit | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Air Handler > 10,000 CFM | $22 per unit | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Ductwork (any) / Venting | $10 per unit | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Boiler/Refrigeration 1-100M BTU | $18 per unit | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Boiler/Refrigeration > 1,750M BTU | $100 per unit | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Clothes Dryer / Electric Furnace / Evaporative Cooler | $18, $18, $14 per unit respectively | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Gas Equipment < 100,000 BTU (furnace, generator) | $18 per unit | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Gas Equipment > 100,000 BTU | $22 per unit | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Gas Piping (each outlet) | $4 per outlet | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Heat Pump & A/C 0-3 tons | $18 per unit | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Heat Pump & A/C > 50 tons | $100 per unit | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Gas Water Heater | $18 per unit | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
| Woodstove / Gas Insert / Fireplace Insert | $22 per unit | City of Coeur d'Alene Mechanical Permit Application, revised 3/17/2026 |
Review timeline
7–14 business days
Coeur d'Alene’s published plan-review target
Inspection process
- 1
Rough-In
Ductwork and mechanical equipment rough-in before walls closed; gas piping pressure test before concealment
- 2
Final
Equipment operational; gas appliance shutoff and combustion air verified prior to Certificate of Occupancy
Tips
- A typical gas furnace replacement (< 100,000 BTU) costs $40 processing + $18 for the unit = $58 minimum, plus any ductwork/venting line items.
- This permit is issued through the online building.cdaid.org portal — one of the four types the City's portal explicitly supports online.
- New dwellings require ACCA Manual J and D worksheets on the Residential HVAC System Design Form in addition to the Mechanical Permit Application.
Frequently asked questions
- How much does a mechanical permit cost for a furnace replacement in Coeur d'Alene?
- The mechanical permit processing fee is $40.00, plus $18.00 for gas equipment under 100,000 BTU ($22.00 if over 100,000 BTU), per the City of Coeur d'Alene Mechanical Permit Application fee schedule, revised 3/17/2026.
Sources & verification
Verified against official sources. Last reviewed 2026-07-03.
- City of Coeur d'Alene Building Services Department — official building department
- Mechanical Permit Application (PDF, rev. 3/17/2026) | City of Coeur d'Alene
- Applications/Handouts | City of Coeur d'Alene
- Online Permits Access | City of Coeur d'Alene
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 Coeur d'Alene building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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