Mechanical / HVAC Permit in Aurora, Colorado
Required for heating, cooling, ventilation, and fuel gas installations in Aurora. Governed by the 2021 International Mechanical Code (IMC) and 2021 International Fuel Gas Code (IFGC) with City of Aurora Amendments. Most common residential HVAC replacement scopes are flat-rate permits.
Verified 2026-06-30 · Source
When you need this permit
- Furnace, air conditioner, evaporative cooler, boiler, or rooftop unit replacement
- Gas pipe installation or modification (flat-rate permit)
- Fuel storage tank installation (flat-rate permit)
- Life Safety permits (with or without plan review) available as flat-rate categories
- Applications via Aurora4Biz.org
Required documents
- Req
Mechanical Permit Application (Aurora4Biz.org)
Online application through the City of Aurora's permitting portal
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Air Conditioner Replacement (flat rate) | $201.00 | City of Aurora 2026 Flat Rate Fee Permits (Form #A175, Revised 01/2026) |
| Evaporative Cooler Replacement (flat rate) | $201.00 | Form #A175 |
| Furnace Replacement (flat rate) | $201.00 | Form #A175 |
| Boiler Replacement (flat rate) | $300.00 | Form #A175 |
| Furnace and Air Conditioner Replacement (flat rate combo) | $300.00 | Form #A175 |
| Rooftop Unit Replacement (flat rate) | $336.00 | Form #A175 |
| Gas Pipe Installation or Modification (flat rate) | $99.00 | Form #A175 |
| Fuel Storage Tank Installation (flat rate) | $267.00 | Form #A175 |
| Life Safety Permits, no Plan Review (flat rate) | $201.00 | Form #A175 |
| Life Safety Permits, with Plan Review (flat rate) | $326.00 | Form #A175 |
Review timeline
~1–10 business days
Typical estimate — confirm current times with the Aurora building department
Inspection process
- 1
Rough-In / Equipment
Equipment installation and ductwork before walls closed
- 2
Final
Equipment operational, combustion air and venting verified
Tips
- Nearly all common HVAC replacement scopes in Aurora are flat-rate permits under the 2026 fee schedule — furnace, A/C, evaporative cooler, and boiler replacements all list at $201–$300.
- Combo replacements (furnace + A/C, furnace + A/C + water heater) have their own flat-rate line items that can be more economical than separate permits.
- Aurora's fuel gas work (IFGC) is governed by the 2021 IFGC with City amendments — gas pipe installation/modification is a $99 flat-rate permit.
Frequently asked questions
- How much does a furnace replacement permit cost in Aurora?
- A standard residential furnace replacement is a $201.00 flat-rate permit per the City of Aurora's 2026 Flat Rate Fee Permits schedule (Form #A175). Combo permits exist for furnace + A/C ($300) and furnace + A/C + water heater ($336).
Sources & verification
Verified against official sources. Last reviewed 2026-06-30.
- City of Aurora Development Services Department — Building Division — official building department
- 2026 Flat Rate Fee Permits — City of Aurora (Form #A175, Revised 01/2026)
- Adopted Building Codes — City of Aurora (Form #A245, Revised 02/2026)
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 Aurora building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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