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Deck Permit in Unincorporated Natrona County, Wyoming

Required for construction of a new deck attached to a residential dwelling in unincorporated Natrona County. Processed under the standard Building Permit Application (Type of Work: Addition) and reviewed under the 2024 IRC; must comply with the accessory/principal structure setbacks of the applicable zoning district.

Verified 2026-07-01 · Source

When you need this permit

  • Natrona County Building Permit Application submitted; select Type of Work: Addition
  • Deck must comply with the applicable zoning district's building setbacks — for districts with a distinct accessory-structure setback (e.g. Suburban Residential: 5 ft side/front, 8 ft rear; Rural Residential: 5 ft side/front, 8 ft rear), attached decks generally follow principal-structure setbacks unless the district specifies otherwise
  • Job valuation of deck construction must be declared for fee calculation
  • Structural details (footings, ledger attachment, joist/beam sizing) reviewed under the 2024 IRC deck provisions
  • Contractor must hold a current Natrona County General Contractor license if not owner-built Contractor

Required documents

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Fee schedule

Building Permit Fee — valuation-based (same table as all building permits)Natrona County Permit Fees, Resolution No. 45-20 — decks have no dedicated flat fee; charged under the general valuation-based building-permit fee schedule based on declared construction cost.
$70 (valuation $0–$2,500) up to $905 plus $9.24 per additional $1,000 over $98,000

Review timeline

Plan reviewTypical estimate — confirm current times with the Unincorporated Natrona County building department
~3–10 business days

How long did your Deck Permit permit actually take in Unincorporated Natrona County?

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

Inspection process

  1. 1

    Footing

    Before concrete pour — footing depth and pier placement

  2. 2

    Framing

    Ledger attachment, joist hangers, beam sizing before decking installed

  3. 3

    Final

    Guardrails, stair geometry, and overall construction verified per 2024 IRC

See the full Unincorporated Natrona County inspection guide — scheduling & re-inspection fees →

Tips

  • There is no separate flat 'deck permit' fee in Natrona County — it is charged under the same general valuation-based building-permit table as any other addition, based on the deck's declared construction cost.
  • Confirm your zoning district's accessory-structure setback distances before finalizing deck placement, since these vary (e.g., 5 ft side/front and 8 ft rear in SR and RR districts) — check with Natrona County Planning if unsure.

Frequently asked questions

Yes. A deck addition requires a Building Permit Application (Type of Work: Addition), reviewed under the 2024 IRC. The fee is calculated under the county's general valuation-based fee table (Resolution No. 45-20) based on the declared construction cost — there is no separate flat deck fee.

In Unincorporated Natrona County, the published Building Permit Fee — valuation-based (same table as all building permits) is: $70 (valuation $0–$2,500) up to $905 plus $9.24 per additional $1,000 over $98,000. 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 Unincorporated Natrona County typically runs 3–10 business days. This is an estimate, not a published figure — confirm current review times with Natrona County Building Department at (307) 235-9435.

You'll need: Natrona County Building Permit Application (2025); Site Plan Application (2025). See the required-documents checklist on this page for details on each.

Unincorporated Natrona County requires 3 inspection(s) for a deck permit, in order: Footing, Framing, Final. Schedule each through Natrona County Building Department ((307) 235-9435).

Apply through Natrona County Building Department at 200 N. Center St, Room 205, Casper, WY 82601. Phone: (307) 235-9435, email: Contact via natronacounty-wy.gov (email obfuscated on site; call 307-235-9435). Office hours: Monday–Friday, 8:00 AM–5:00 PM. Official information: https://www.natronacounty-wy.gov/170/Building-Inspection.

Unincorporated Natrona County, Wyoming has adopted: 2024 International Building Code (IBC) — adopted by Resolution 84-24; 2024 International Residential Code (IRC) — adopted by Resolution 90-24; 2024 International Existing Building Code (IEBC) — adopted by Resolution 85-24; 2024 International Fire Code (IFC) — adopted by Resolution 86-24; 2024 International Fuel Gas Code (IFGC) — adopted by Resolution 87-24; 2024 International Mechanical Code (IMC) — adopted by Resolution 88-24; 2024 International Plumbing Code (IPC) — adopted by Resolution 89-24; 2023 National Electrical Code (NEC / NFPA 70) — adopted by county resolution. Local amendments apply — see the Unincorporated Natrona County overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-01.

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 Unincorporated Natrona County 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

Casper, WyomingCheyenne, WyomingGillette, WyomingLaramie, WyomingSheridan, WyomingUnincorporated Campbell County, WyomingBountiful, UtahClearfield, Utah

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