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Deck Permit in Casper, Wyoming

Required for construction of a new deck attached or detached from a residential structure in Casper, unless the deck qualifies as exempt flatwork. A dedicated Building Guide ('Residential single family decks') is available from Community Development. Governed by the 2024 IRC.

Verified 2026-07-16 · Source

When you need this permit

  • Building permit required for decks that are not exempt flatwork (exempt: landings/platforms/walkways not more than 30 inches above grade and not over a basement or story below)
  • Plot plan showing deck location, setbacks, and dimensions required
  • Construction drawings showing framing, footing depth, and guardrail/handrail details required
  • 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 Permit Fee — valuation-basedCity of Casper Permit Fee Schedule (eff. February 2, 2026); Casper does not publish a flat deck fee — value is based on the deck construction cost, unlike cities such as Reno that flat-rate decks
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

Review timeline

Plan reviewTypical estimate — confirm current times with the Casper building department
~5–15 business days

How long did your Deck 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

    Footer

    Footing depth and placement before concrete pour

  2. 2

    Framing

    Deck framing, ledger attachment, and guardrail/handrail before decking installed (as required by inspector)

  3. 3

    Final

    Completed deck per approved plans

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

Tips

  • A deck qualifies as exempt flatwork only if it is not more than 30 inches above grade and not over a basement or story below — otherwise a full building permit is required.
  • Request the City's 'Residential single family decks' Building Guide from Community Development at (307) 235-8254 before designing, especially for footing depth given Casper's frost conditions.

Frequently asked questions

Yes, unless the deck is 30 inches or less above grade and not over a basement/story below (exempt flatwork). Otherwise, a building permit is required, valuation-based per the City's combined fee schedule. A Building Guide for residential decks is available from Community Development.

In Casper, the published Initial Building Permit Fee is: $35. Additional published fees: Combined Building 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. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a deck permit in Casper typically runs 5–15 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; Plot Plan; Construction Drawings. See the required-documents checklist on this page for details on each.

Casper requires 3 inspection(s) for a deck permit, in order: Footer, Framing, Final. 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.

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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Deck Permit in other cities

Cheyenne, WyomingGillette, WyomingLaramie, WyomingSheridan, WyomingUnincorporated Campbell County, WyomingUnincorporated Natrona County, WyomingBountiful, UtahClearfield, Utah

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