Wyoming roofing: permits, codes and approvals

No state roofing license or statewide home code, so city rules govern: Cheyenne and Gillette roofing licenses, Gillette's re-roof requirements and ice shield rule, plus Wyoming's preliminary notice before first payment and 150-day lien deadline.

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1 · Product approvals

Product approvals

Wyoming has no state roofing product approval or listing system. Local building departments rely on the IRC's labeling rules, evaluation reports (ICC-ES, UL and similar) and manufacturer instructions.

Code evaluation reports (ICC-ES, UL, IAPMO): 48 roofing reports

2 · Permit forms

City re-roof permits

No statewide re-roof permit rule. Cities and counties that run building departments decide, and several also license roofing contractors.

CasperPermits are required to remodel, alter or repair any existing structure, and roofing is not on the city's list of permit-exempt work; confirm with the Building Division before starting.GilletteGillette publishes Residential Re-roof Requirements: tear-offs go to the deck, ice shield underlayment is required, and no recover is allowed over two or more existing layers. Permit trigger is not stated on the guide.

3 · Code rules

Code rules

No statewide residential code: the state fire marshal's adopted list (2024 IBC, IFC, IEBC and others, adopted June 28, 2024) does not include the IRC. Cities and counties adopt their own residential codes. Official adoption page ↗

Cheyenne: 2024 IRCCheyenne lists the 2024 IRC, IBC and IEBC among its adopted codes, with the 2018 IECC.Casper: wind and ice barrier criteriaCasper sets 115 mph (3-second gust) design wind for one- and two-family homes, Exposure C. Ice barrier is not required unless there's a history of ice damming or water damage, typically at eaves and valleys.Gillette: ice shield requiredGillette's climatic design table marks ice shield underlayment as required (IRC R905.1.2) and sets minimum roof live loads of 30 psf (1:12 pitch or steeper) and 35 psf (under 1:12), with no load reductions.

5 · License and insurance

License and insurance

No state roofing or general contractor license was found. Cities license roofers locally, including Cheyenne and Gillette, often with an exam, insurance and bond.

Cheyenne: Class C1 roofing licenses (tested)Roofing work in Cheyenne needs a contractor license (General Roofing, Special Roofing, Hot Roofing or Shingles) plus a licensed qualified supervisor, a passed ICC or similar exam, and liability insurance of $300,000/$600,000.Cheyenne: decking limits for roofersA C1 roofer may replace limited decking (up to 2 areas, 64 sq ft per plane, 256 sq ft per roof); more than 256 sq ft or a full redeck needs a framing license.Gillette: Class C roofing licenseGillette licenses Class C Roofing (General) and Roofing (Shingles) contractors, who must post a $5,000 surety bond and carry $300,000 per occurrence / $600,000 aggregate liability insurance.Casper: contractor licensingCasper licenses general and sub contractors; applications need proof of testing and notarized experience affidavits, and a certificate of insurance before the license issues.

6 · Lien and contract forms

Lien and contract rules

A prime contractor must send the owner a preliminary notice before taking any payment, or loses lien rights. Contractors then have 150 days to file, after a 20-day notice of intent.

Preliminary notice (W.S. 29-2-112)Contractors must give the owner a notice of lien rights and the right to request lien waivers before receiving any payment, including a deposit. Subs and suppliers send it within 30 days of first furnishing. Missing it bars the lien.Notice of intent to lien (W.S. 29-2-107)Send written notice to the record owner at least 20 days before filing the lien statement, using the statutory form.Lien filing deadline (W.S. 29-2-106)Contractors file within 150 days, subs and suppliers within 120 days, counted from the earlier of the last day of work or substantial completion. Send the owner a notice of filing within 30 days after recording.Foreclose within 180 days (W.S. 29-2-109)A foreclosure action must be filed within 180 days after the lien statement is filed, or the lien ends.Statutory lien waiver form (W.S. 29-10-101)Wyoming law includes a model partial waiver form covering payments received to date while keeping rights to retainage and unpaid amounts.

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Public records, last checked Oct 23, 2026. Always verify on the official source before you permit.