Deck Permit in Casper, Wyoming
VerifiedRequired 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 2026-07-01 · 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
- Req
Building Permit Application
Submitted for deck scope of work
- Req
Plot Plan
Site plan showing deck location and setbacks
- Req
Construction Drawings
Framing plan showing footing depth, ledger attachment, and guardrail/handrail details
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Initial Building Permit Fee | $35 | City of Casper Permit Fee Schedule (eff. February 2, 2026) |
| 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 | City 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 |
Review timeline
~5–15 business days
Typical estimate — confirm current times with the Casper building department
Inspection process
- 1
Footer
Footing depth and placement before concrete pour
- 2
Framing
Deck framing, ledger attachment, and guardrail/handrail before decking installed (as required by inspector)
- 3
Final
Completed deck per approved plans
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
- Do I need a permit to build a deck in Casper?
- 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.
Sources & verification
Verified against official sources. Last reviewed 2026-07-01.
- City of Casper Community Development Department — Building Inspection Division — official building department
- City of Casper — Building and Fire Code Resources (Building Guides list)
- City of Casper — Permit Information (flatwork exemption)
- City of Casper Permit Fee Schedule (eff. February 2, 2026)
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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