Mechanical / HVAC Permit in Haxtun, Colorado

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.