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Commercial Tenant Improvement Permit in Casper, Wyoming

Required for interior alterations to commercial spaces (tenant build-outs, remodels) in Casper. Commercial projects often require a life-safety plan, engineered building/site plan drawings, and Planning/Zoning approval prior to permit issuance. Governed by the 2024 IBC and 2024 IFC.

Verified 2026-07-16 · Source

When you need this permit

  • Commercial Building Permit Checklist submittal required
  • Life-safety plan typically required for commercial tenant improvements
  • Engineered building and site plan drawings required
  • Planning/Zoning approval may be required — contact (307) 235-8241 before submitting
  • A plan check fee of 65% of the building permit fee applies to commercial projects exceeding $25,000 in valuation
  • Fee based on the value of the work per the combined valuation-based fee schedule

Required documents

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Fee schedule

Initial Building Permit FeeCity of Casper Permit Fee Schedule (eff. February 2, 2026)
$35
Combined Building/Electrical/Plumbing/Mechanical Permit Fee — valuation-basedCity of Casper Permit Fee Schedule (eff. February 2, 2026)
Graduated table from $70 (valuation $1–$1,000) up to $841 (valuation $99,001–$100,000); over $100,000 = $806 + $5.60 per additional $1,000 or fraction thereof
Plan Check Fee — commercial projects exceeding $25,000 valuationCity of Casper Permit Fee Schedule (eff. February 2, 2026)
65% of the building permit fee

Review timeline

Plan reviewTypical estimate — confirm current times with the Casper building department
~15–30 business days

How long did your Commercial Tenant Improvement Permit permit actually take in Casper?

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

Inspection process

  1. 1

    Framing

    After framing and MEP rough-ins are installed and inspected

  2. 2

    Insulation

    If applicable to the scope of work

  3. 3

    Drywall

    Thickness/type and screw placement

  4. 4

    Final / Certificate of Occupancy

    All work complete; required before occupancy

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

Tips

  • Contact Planning/Zoning at (307) 235-8241 before submitting commercial tenant improvement plans to confirm zoning compliance.
  • A 65% plan check fee applies to commercial projects over $25,000 in valuation, in addition to the base permit fee.
  • Life-safety plans are commonly required — confirm scope requirements with the Building Inspection Division at (307) 235-8254.

Frequently asked questions

Casper requires a commercial tenant improvement permit for: Commercial Building Permit Checklist submittal required; Life-safety plan typically required for commercial tenant improvements; Engineered building and site plan drawings required; Planning/Zoning approval may be required — contact (307) 235-8241 before submitting; A plan check fee of 65% of the building permit fee applies to commercial projects exceeding $25,000 in valuation; Fee based on the value of the work per the combined valuation-based fee schedule. If your project isn't listed, confirm with City of Casper Community Development Department — Building Inspection Division at (307) 235-8254 before starting work.

In Casper, the published Initial Building Permit Fee is: $35. Additional published fees: Combined Building/Electrical/Plumbing/Mechanical Permit Fee — valuation-based — Graduated table from $70 (valuation $1–$1,000) up to $841 (valuation $99,001–$100,000); over $100,000 = $806 + $5.60 per additional $1,000 or fraction thereof; Plan Check Fee — commercial projects exceeding $25,000 valuation — 65% of the building permit fee. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a commercial tenant improvement permit in Casper typically runs 15–30 business days. This is an estimate, not a published figure — confirm current review times with City of Casper Community Development Department — Building Inspection Division at (307) 235-8254.

You'll need: Commercial Building Permit Checklist; Building Permit Application; Engineered Building/Site Plans. Depending on your project, Casper may also ask for: Life-Safety Plan. See the required-documents checklist on this page for details on each.

Casper requires 4 inspection(s) for a commercial tenant improvement permit, in order: Framing, Insulation, Drywall, Final / Certificate of Occupancy. Schedule each through City of Casper Community Development Department — Building Inspection Division ((307) 235-8254).

Apply through City of Casper Community Development Department — Building Inspection Division at 200 N David St, Casper, WY 82601. Phone: (307) 235-8254, email: building@casperwy.gov. Office hours: Mon–Fri 8:00 AM–5:00 PM (in-person/phone code consultation available 8:00–9:00 AM and 4:00–5:00 PM). Official information: https://www.casperwy.gov/services/building_and_inspections/index.php.

Casper, Wyoming has adopted: 2024 International Building Code (IBC); 2024 International Residential Code (IRC); 2024 International Fire Code (IFC); 2024 International Existing Building Code (IEBC); 2024 International Energy Conservation Code (IECC) — applies to the building thermal envelope ONLY per City of Casper adoption note; 2024 International Plumbing Code (IPC); 2024 International Fuel Gas Code (IFGC); 2024 International Mechanical Code (IMC); 2023 NFPA 70 National Electrical Code (NEC); ICC A117.1-2009 Accessible and Usable Buildings and Facilities. Local amendments apply — see the Casper overview page for the full list.

Commercial tenant improvements typically require the Commercial Building Permit Checklist, an engineered building/site plan, and often a life-safety plan. Planning/Zoning approval may also be required. Fees are valuation-based per the combined fee schedule, with a 65% plan check fee added for projects exceeding $25,000 in valuation.

Sources & verification

Verified against official sources. Last reviewed 2026-07-16.

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

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Commercial Tenant Improvement Permit in other cities

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