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Mechanical / HVAC Permit in Firestone, Colorado

Required for furnace, A/C, and related HVAC equipment installation or replacement in Firestone. Governed by the 2018 IMC and IFGC as locally adopted.

Verified 2026-07-06 · Source

When you need this permit

  • Governed by the 2018 IMC and IFGC as adopted by reference via Ordinance No. 1029
  • Residential A/C and/or Furnace Replacement is a distinct flat-fee permit item
  • New A/C installation additionally requires a companion Residential New A/C Electrical Fee (for the associated electrical disconnect/circuit work) on top of the A/C mechanical fee itself
  • Complex mechanical systems (per Ordinance No. 1029 Section 1704.8) may require a registered design professional's Mechanical Observation with a signed report, in addition to standard inspections

Required documents

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Fee schedule

Residential A/C and/or Furnace ReplacementTown of Firestone Building Division Fee Schedule (REV 01.2025)
$132.00
Residential New A/C Electrical Fee plus A/C FeeTown of Firestone Building Division Fee Schedule (REV 01.2025), Miscellaneous Permits and Fees table; the $132.00 A/C portion is the Residential A/C and/or Furnace Replacement line in the same table
$141.20 (electrical portion, in addition to the $132.00 A/C mechanical fee)
Reinspection FeeTown of Firestone Building Division Fee Schedule (REV 01.2025), Miscellaneous Permits and Fees table
$75.00 progressive (24-hour inspection delay)

Review timeline

Plan review
Not published — contact the department

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

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 concealment

  2. 2

    Final Inspection

    Equipment operational; combustion air and venting verified; performed by SAFEbuilt Colorado

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

Tips

  • A new A/C installation triggers TWO separate fee line items in Firestone — the $132 mechanical replacement fee plus a $141.20 electrical fee for the associated circuit/disconnect work — budget for both.

Frequently asked questions

Yes. Residential A/C and/or Furnace Replacement is a specific flat-fee permit item ($132.00) on the Town's Building Division Fee Schedule.

In Firestone, the published Residential A/C and/or Furnace Replacement is: $132.00. Additional published fees: Residential New A/C Electrical Fee plus A/C Fee — $141.20 (electrical portion, in addition to the $132.00 A/C mechanical fee); Reinspection Fee — $75.00 progressive (24-hour inspection delay). These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Firestone does not publish a plan-review timeline for this permit. Contact Town of Firestone Building Division (plan review/permit administration by Town staff; building inspections contracted to SAFEbuilt Colorado) at 303-833-3291 for current turnaround.

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

Firestone requires 2 inspection(s) for a mechanical / hvac permit, in order: Rough-In / Equipment, Final Inspection. Schedule each through Town of Firestone Building Division (plan review/permit administration by Town staff; building inspections contracted to SAFEbuilt Colorado) (303-833-3291).

Apply through Town of Firestone Building Division (plan review/permit administration by Town staff; building inspections contracted to SAFEbuilt Colorado) at 9950 Park Avenue, Firestone, CO 80504. Phone: 303-833-3291, email: building@firestoneco.gov. Office hours: Monday through Friday, 8 a.m. to 5 p.m. (Town Hall hours). SAFEbuilt Colorado's local office is at 11409 Business Park Circle, Suite 350, Firestone, CO 80504, phone 303-774-1388, per SAFEbuilt's own site. Firestone-specific SAFEbuilt inspection contact: firestone-building@safebuilt.com / 303-774-0454, and Building Official Tim Moroney, tmoroney@safebuilt.com / 970-545-3555. That staffing detail comes from a SAFEbuilt contact listing rather than a live staff directory, so confirm current staffing with the Town before relying on a named contact.. Official information: https://www.firestoneco.gov/425/Building-Permits-Fees.

Firestone, Colorado has adopted: 2018 International Building Code (IBC), adopted by reference and locally amended as the 'Firestone Building and Construction Code' (FBCC) — Town of Firestone Building Guides page, https://firestoneco.gov/294/Building-Guides, and Ordinance No. 1029, https://firestoneco.gov/DocumentCenter/View/9387; 2018 International Residential Code (IRC), adopted by reference and locally amended; 2018 International Plumbing Code (IPC); 2018 International Mechanical Code (IMC); 2018 International Existing Building Code (IEBC); 2018 International Fuel Gas Code (IFGC); 2018 International Property Maintenance Code (IPMC); 2018 International Swimming Pool and Spa Code (ISPSC); 2018 International Energy Conservation Code (IECC); 2018 International Fire Code (IFC), per Ordinance No. 1029 chapter list (Chapter 15.32); 2023 National Electrical Code (NEC), adopted by reference per Ordinance No. 1029 (replacing the previously-adopted 2020 NEC); Ordinance No. 1029 (adopted following a June 21, 2023 public hearing) repealed and reenacted Firestone Municipal Code Chapters 15.04 (IBC), 15.06 (IRC), 15.08 (NEC), 15.10 (IEBC), 15.12 (IFGC), 15.14 (IMC), 15.16 (IPC), 15.18 (IPMC), 15.32 (IFC), 15.20 (ISPSC), and 15.36 (IECC) — source PDF, https://firestoneco.gov/DocumentCenter/View/9387/1029-AN-ORDINANCE-OF-THE-BOARD-OF-TRUSTEES-OF-THE-TOWN-OF-FIRESTONE-COLORADO. Local amendments apply — see the Firestone overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-06.

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

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Related guides

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