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Residential Building Permit (New Construction) in Casper, Wyoming

Required for new single-family dwellings and other new one- and two-family residential construction in Casper. Governed by the 2024 IRC. Reviewed for compliance with structural, energy (thermal envelope), and life-safety provisions before permit issuance.

Verified 2026-07-16 · Source

When you need this permit

  • Building permit and plan review required before construction begins
  • Submit through the CSS (Citizen Self-Service / EnerGov) Portal or in person to the Building Inspection Division
  • Residential single-family new construction requires: plot plan, soils report/analysis, engineered foundation plan, wall bracing plan, and floor plans showing layout, window locations/sizes, and room sizes
  • Plans reviewed against the 2024 IRC and the thermal-envelope provisions of the 2024 IECC
  • $280 plan check fee applies to all new one- and two-family residential buildings
  • Permit is valid for 180 days from issuance
  • Fee is based on the value (materials and labor) of the work per the City's 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 $1 to $100,000City of Casper Permit Fee Schedule (eff. February 2, 2026) — 'Combined Building, Electrical, Plumbing and Mechanical Permit Fee Schedule'; this includes the Initial Permit Fee
Graduated table from $70 (valuation $1–$1,000) up to $841 (valuation $99,001–$100,000); see full valuation table in source PDF
Combined Permit Fee — valuation over $100,000City of Casper Permit Fee Schedule (eff. February 2, 2026)
$806 for the first $100,000 plus $5.60 for each additional $1,000 or fraction thereof
Plan Check Fee — new 1- and 2-family residentialCity of Casper Permit Fee Schedule (eff. February 2, 2026)
$280 flat
Plan Check Fee — multi-family/commercial/industrial exceeding $25,000 valuationCity of Casper Permit Fee Schedule (eff. February 2, 2026)
65% of the building permit fee
Sewer Permit
$35
Water Permit
$35
After-the-fact permit surchargeAssessed when construction is initiated before plan review/approval of a complete application
Double the building permit fee

Review timeline

Plan reviewTypical estimate — confirm current times with the Casper building department
~10–30 business days

How long did your Residential Building Permit (New Construction) 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

    Footer / Caisson / Monolithic Slab

    Hole depth and rebar/form placement before concrete pour

  2. 2

    Foundation Wall

    Rebar and form placement for foundation walls

  3. 3

    Framing

    Performed after structure is framed and all electrical, plumbing, and mechanical rough-ins are installed and inspected

  4. 4

    Insulation

    Proper R-values and placement, performed after framing

  5. 5

    Drywall

    Proper thickness/type of drywall and screw placement

  6. 6

    Final / Certificate of Occupancy

    All work 100% complete; required before occupancy of the structure

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

Tips

  • Casper's building permit fee schedule is COMBINED across building, electrical, plumbing, and mechanical trades — a single valuation-based table drives most permit fees rather than separate per-trade tables.
  • A $280 flat plan check fee applies to all new 1- and 2-family homes, in addition to the valuation-based permit fee.
  • Permits are valid for 180 days from issuance.
  • The Building Inspection Division recommends submitting all permits and inspection requests through the CSS (EnerGov) Portal at eg.casperwy.gov for status tracking.
  • Contact Planning/Zoning at (307) 235-8241 before submitting plans to confirm zoning compliance.

Frequently asked questions

Casper requires a residential building permit (new construction) for: Building permit and plan review required before construction begins; Submit through the CSS (Citizen Self-Service / EnerGov) Portal or in person to the Building Inspection Division; Residential single-family new construction requires: plot plan, soils report/analysis, engineered foundation plan, wall bracing plan, and floor plans showing layout, window locations/sizes, and room sizes; Plans reviewed against the 2024 IRC and the thermal-envelope provisions of the 2024 IECC; $280 plan check fee applies to all new one- and two-family residential buildings; Permit is valid for 180 days from issuance; Fee is based on the value (materials and labor) of the work per the City's 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.

Casper uses a single combined valuation-based fee table covering building, electrical, plumbing, and mechanical work. For valuations up to $100,000, fees are read directly off the table (e.g., $70 for $1–$1,000 valuation, scaling up to $841 at $100,000). Above $100,000, the fee is $806 plus $5.60 per additional $1,000 or fraction thereof.

Plan review for a residential building permit (new construction) in Casper typically runs 10–30 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: Building Permit Application; Residential Building Permit Checklist; Plot Plan; Soils Report/Analysis; Engineered Foundation Plan; Wall Bracing Plan; Construction Drawings / Floor Plans. See the required-documents checklist on this page for details on each.

Casper requires 6 inspection(s) for a residential building permit (new construction), in order: Footer / Caisson / Monolithic Slab, Foundation Wall, 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 has adopted the 2024 International Residential Code (IRC), along with the 2024 IECC (thermal envelope only) and 2023 NFPA 70 NEC. Local amendments are codified in Title 15 of the Casper Municipal Code.

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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Residential Building Permit (New Construction) in other cities

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