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Mechanical / HVAC Permit in Haxtun, Colorado

Required for mechanical/HVAC equipment installation or replacement in Haxtun. Governed by the 2018 International Mechanical Code (IMC), HMC § 150.03, and the 2018 International Fuel Gas Code (IFGC), HMC § 150.04, both adopted/amended by Ord. 2025-1.

Verified 2026-07-06 · Source

When you need this permit

  • Governed by the 2018 IMC (HMC § 150.03) and 2018 IFGC (HMC § 150.04) as locally amended
  • IFGC 404.12 (minimum burial depth) amended: all plastic fuel gas piping must be installed at least 18 inches below grade
  • IFGC 406.4.1/406.4.2 (test pressure/duration) amended: test pressure raised to 10 psig; test duration for systems under 10 cubic feet or in single-family dwellings is not less than 15 minutes
  • Same 180-day permit expiration / investigation-fee / refund amendments as the other HMC Chapter 150 codes apply

Required documents

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Fee schedule

Building Permit Fee — valuation $0 to $1,000Town of Haxtun Application for Building Permit (2025 edition), Permit Fees table, p. 1 — $0–$1,000 at $10.00, $1,001–$2,500 at $25.00, and $2,501 and up at $25.00 plus $5.00 per $1,000. Unchanged from the Town's 2024 edition.
$10.00
Building Permit Fee — valuation $1,001 to $2,500Town of Haxtun Application for Building Permit (2025 edition), Permit Fees table, p. 1 — $0–$1,000 at $10.00, $1,001–$2,500 at $25.00, and $2,501 and up at $25.00 plus $5.00 per $1,000. Unchanged from the Town's 2024 edition.
$25.00
Building Permit Fee — valuation $2,501 and upTown of Haxtun Application for Building Permit (2025 edition), Permit Fees table, p. 1 — $0–$1,000 at $10.00, $1,001–$2,500 at $25.00, and $2,501 and up at $25.00 plus $5.00 per $1,000. Unchanged from the Town's 2024 edition.
$25.00 plus $5.00 per $1,000 of valuation
Use Tax
Town of Haxtun Application for Building Permit (2025 edition), p. Show full citationTown of Haxtun Application for Building Permit (2025 edition), p. 1 — use tax at 4.5%, shown both as a standalone line and as the “Use Tax (4.5%)” row of the fee worksheet. Unchanged from the Town's 2024 edition. The municipal-code sections this permit type cites carry no dollar figure or rate anywhere in the building chapter.
4.5% of the valuation of all materials

Review timeline

Plan reviewHaxtun’s published plan-review target
3–3 business days

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

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

Inspection process

  1. 1

    Rough Mechanical

    Ductwork, flues, gas piping (min. 18-inch burial depth) before concealment

  2. 2

    Final Inspection

    Equipment operational, venting/combustion air verified; permit validated by the Town's Building Inspector

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

Tips

  • Haxtun's local amendment raising fuel gas test pressure to 10 psig (from the IFGC/IRC default of 3 psig) and test duration to 15 minutes is a genuine, specific local requirement — confirm your gas contractor tests to this figure, not the unamended ICC default.

Frequently asked questions

Haxtun requires a mechanical / hvac permit for: Governed by the 2018 IMC (HMC § 150.03) and 2018 IFGC (HMC § 150.04) as locally amended; IFGC 404.12 (minimum burial depth) amended: all plastic fuel gas piping must be installed at least 18 inches below grade; IFGC 406.4.1/406.4.2 (test pressure/duration) amended: test pressure raised to 10 psig; test duration for systems under 10 cubic feet or in single-family dwellings is not less than 15 minutes; Same 180-day permit expiration / investigation-fee / refund amendments as the other HMC Chapter 150 codes apply. If your project isn't listed, confirm with Town of Haxtun (Town Superintendent / Building Inspector function; Town Hall administers permits) at 970-774-6104 before starting work.

In Haxtun, the published Building Permit Fee — valuation $0 to $1,000 is: $10.00. Additional published fees: Building Permit Fee — valuation $1,001 to $2,500 — $25.00; Building Permit Fee — valuation $2,501 and up — $25.00 plus $5.00 per $1,000 of valuation; Use Tax — 4.5% of the valuation of all materials. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Haxtun's published plan-review target for a mechanical / hvac permit is 3–3 business days.

You'll need: Application for Building Permit (Town of Haxtun). See the required-documents checklist on this page for details on each.

Haxtun requires 2 inspection(s) for a mechanical / hvac permit, in order: Rough Mechanical, Final Inspection. Schedule each through Town of Haxtun (Town Superintendent / Building Inspector function; Town Hall administers permits) (970-774-6104).

Apply through Town of Haxtun (Town Superintendent / Building Inspector function; Town Hall administers permits) at 145 S. Colorado Ave., P.O. Box 205, Haxtun, CO 80731. Phone: 970-774-6104. Office hours: Monday-Friday 7:30 am - 4:15 pm. After-hours/utility emergencies: Phillips County Comm Center, 970-854-2735.. Official information: https://townofhaxtun.colorado.gov/building-department.

Haxtun, Colorado has adopted: 2018 International Building Code (IBC), Chapters 1-35 plus Appendices C, E, H, I & J — Haxtun Municipal Code (HMC) § 150.01, adopted by Ord. 2025-1, passed 10-6-2025; 2018 International Residential Code (IRC), Chapters 1-43 plus Appendices F, G, H & L — HMC § 150.02, adopted by Ord. 2025-1; 2018 International Mechanical Code (IMC), Chapters 1-15 — HMC § 150.03, adopted by Ord. 2025-1; 2018 International Fuel Gas Code (IFGC), Chapters 1-8 — HMC § 150.04, adopted by Ord. 2025-1; 2018 International Property Maintenance Code (IPMC), Chapters 1-8 — HMC § 150.05, adopted by Ord. 2025-1; Uniform Code for the Abatement of Dangerous Buildings, 1991 Edition (ICBO) — HMC § 150.06, adopted per C.R.S. Title 31, Art. 16, Part 2 (Ord. 2017-2, passed 4-3-2017; Ord. 2024-7, passed 11-4-2024); 2018 International Existing Building Code (IEBC), Chapters 1-16 — HMC § 150.07, adopted by Ord. 2025-1; 2021 International Energy Conservation Code (IECC), including Appendices CB and RB — HMC § 150.08, adopted by Ord. 2025-1; Colorado Model Electric Ready and Solar Ready Code, dated June 1, 2023 (Colorado Dept. of Local Affairs) — HMC § 150.09, adopted by Ord. 2025-1; 2021 International Plumbing Code (IPC), Chapters 1-13 — HMC § 150.10, adopted by Ord. 2025-1; 2023 National Electrical Code (NEC), exclusive of appendices (NFPA) — HMC § 150.11, adopted by Ord. 2025-1; Note on currency and provenance: this entire code slate (all 11 sections of HMC Chapter 150) was freshly re-adopted via Ordinance 2025-1, with second/final reading confirmed passed unanimously at the Town Council's October 6, 2025 Regular Meeting (minutes: 'A public hearing was held for Ordinance 2025-1 Adopting by reference the 2018 Editions of the International Building Codes, the 2021 Editions of the International Energy Conservation Code and the International Plumbing Code, the CO Model Solar Ready and Electric Code, and the 2023 Edition of the National Electric Code... the motion passed.'). This is unusually current for a town of Haxtun's size and directly corroborated by two independent official sources (the codified ordinance text on American Legal Publishing's code library, and the Town's own primary-source meeting minutes PDF).. Local amendments apply — see the Haxtun overview page for the full list.

Sources & verification

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

Applications & forms

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

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