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Residential Building Permit (New Construction) in Unincorporated Teton County, Wyoming

Required for new one- and two-family dwellings and other residential structures in unincorporated Teton County. Governed by the 2024 IRC. New Residential Construction submittals require a scheduled take-in week through the Teton County Online Portal (SmartGov); a WUI review/permit number (Jackson Hole Fire/EMS) must be obtained first, since all of Teton County is now mapped Wildland-Urban Interface.

Verified 2026-07-01 · Source

When you need this permit

  • WUI permit number from Jackson Hole Fire/EMS (via SmartGov Public Portal) obtained BEFORE building permit submittal — effective county-wide since Jan 1, 2025
  • Submission week/take-in appointment scheduled via the County's Bookings page for New Residential Construction
  • Compliance with 2024 IRC and County-amended climatic/geographic design criteria (115 mph wind, Seismic D1/D2, 34-inch frost depth, site-specific ground snow load per GIS)
  • Engineered design by a Wyoming-licensed civil or structural engineer, except detached non-habitable structures under 600 sq ft
  • Energy compliance per 2021 IECC; Energy Mitigation Program fee/credit worksheet for conditioned space over 2,500 sq ft
  • Compliance with Teton County Land Development Regulations (LDRs) — setbacks, FAR, housing mitigation if applicable — verified by the Planning Division as part of the Planning Review Fee
  • Small Wastewater Facility (septic) permit from the Engineering Division if not on sewer
  • Grading and Erosion Control permit/information (Plan Level or Statement Level) from the Engineering Division
  • Certificate of Occupancy required before occupancy, following final inspection

Required documents

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Fee schedule

Building Permit Fee (new construction)TETON COUNTY FEE SCHEDULE 2026, effective January 1, 2026 (tetoncountywy.gov/DocumentCenter/View/38871); minimum Building Permit Fee $305.00
1st 2,500 sq ft x construction cost/sq ft x 0.006, plus next 2,500 sq ft x 0.009, plus remaining sq ft x 0.012 (valuation from the current ICC Building Valuation Data table); remodels valued at 75% of new-construction valuation
Plan Review FeeCharged in addition to the Building Permit Fee; TETON COUNTY FEE SCHEDULE 2026
65% of the Total Building Permit Fee
Planning Review FeeSeparate Planning Division review fee for LDR compliance; TETON COUNTY FEE SCHEDULE 2026
$125.00 + $60.00 per 1,000 sq ft over 5,000 sq ft

Review timeline

Plan reviewTypical estimate — confirm current times with the Unincorporated Teton County building department
~5–20 business days

How long did your Residential Building Permit (New Construction) permit actually take in Unincorporated Teton County?

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

Inspection process

  1. 1

    Foundation / Footings

    Before concrete pour; footings must extend below the 34-inch frost line

  2. 2

    Framing

    After framing complete, before insulation or wall cover

  3. 3

    MEP Rough-In

    Mechanical, electrical (Jackson Hole Fire/EMS), and plumbing rough-in before walls are closed

  4. 4

    Insulation / Energy

    Insulation and 2021 IECC energy compliance verification before drywall

  5. 5

    Final

    All work complete; required for Certificate of Occupancy

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

Tips

  • Inspections must occur at least every 180 days to keep a permit active, per County FAQ.
  • A permit application is deemed abandoned 180 days after filing unless pursued in good faith or issued (IRC/IBC Section 105.3.2 amendment).
  • Electrical (Fire Department) inspections cannot be scheduled through the online portal even though they may appear as an option — contact Jackson Hole Fire/EMS directly.
  • Up to 80% of paid fees may be refunded if you decide not to build, per written application within 180 days of the plan review payment (IBC Section 108.6/109.6 amendment).

Frequently asked questions

Unincorporated Teton County requires a residential building permit (new construction) for: WUI permit number from Jackson Hole Fire/EMS (via SmartGov Public Portal) obtained BEFORE building permit submittal — effective county-wide since Jan 1, 2025; Submission week/take-in appointment scheduled via the County's Bookings page for New Residential Construction; Compliance with 2024 IRC and County-amended climatic/geographic design criteria (115 mph wind, Seismic D1/D2, 34-inch frost depth, site-specific ground snow load per GIS); Engineered design by a Wyoming-licensed civil or structural engineer, except detached non-habitable structures under 600 sq ft; Energy compliance per 2021 IECC; Energy Mitigation Program fee/credit worksheet for conditioned space over 2,500 sq ft; Compliance with Teton County Land Development Regulations (LDRs) — setbacks, FAR, housing mitigation if applicable — verified by the Planning Division as part of the Planning Review Fee; Small Wastewater Facility (septic) permit from the Engineering Division if not on sewer; Grading and Erosion Control permit/information (Plan Level or Statement Level) from the Engineering Division; Certificate of Occupancy required before occupancy, following final inspection. If your project isn't listed, confirm with Teton County Planning & Building Services Department — Building Division at 307-733-3959 (Building Official/fee estimates: 307-733-7030; Inspection Line: 307-732-5745) before starting work.

In Unincorporated Teton County, the published Building Permit Fee (new construction) is: 1st 2,500 sq ft x construction cost/sq ft x 0.006, plus next 2,500 sq ft x 0.009, plus remaining sq ft x 0.012 (valuation from the current ICC Building Valuation Data table); remodels valued at 75% of new-construction valuation. Additional published fees: Plan Review Fee — 65% of the Total Building Permit Fee; Planning Review Fee — $125.00 + $60.00 per 1,000 sq ft over 5,000 sq ft. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a residential building permit (new construction) in Unincorporated Teton County typically runs 5–20 business days. This is an estimate, not a published figure — confirm current review times with Teton County Planning & Building Services Department — Building Division at 307-733-3959 (Building Official/fee estimates: 307-733-7030; Inspection Line: 307-732-5745).

You'll need: Residential New Construction Checklist; Site Plan; Construction Drawings; Structural Calculations; Energy Calculation (REScheck or equivalent); WUI Review Memo and Permit Number. See the required-documents checklist on this page for details on each.

Unincorporated Teton County requires 5 inspection(s) for a residential building permit (new construction), in order: Foundation / Footings, Framing, MEP Rough-In, Insulation / Energy, Final. Schedule each through Teton County Planning & Building Services Department — Building Division (307-733-3959 (Building Official/fee estimates: 307-733-7030; Inspection Line: 307-732-5745)).

Apply through Teton County Planning & Building Services Department — Building Division at 200 S. Willow Street, Jackson, WY 83001 (P.O. Box 1727, Jackson, WY 83001-1727). Phone: 307-733-3959 (Building Official/fee estimates: 307-733-7030; Inspection Line: 307-732-5745), email: permittech@tetoncountywy.gov. Office hours: Applications submitted through the Teton County Online Portal (SmartGov); New Residential Construction, Commercial New Construction, and Miscellaneous (under 500 sq ft) permits require a scheduled submission/take-in week booked via the Bookings page. Trade permits (mechanical, plumbing, demolition, re-roof) do not require a submission week and are typically issued within 48 hours.. Official information: https://www.tetoncountywy.gov/560/Building.

Yes. Effective January 1, 2025, all private land parcels in Teton County (unincorporated county and Town of Jackson) are within the mapped WUI and subject to IWUIC review by Jackson Hole Fire/EMS before a building permit will be accepted.

The Electrical Division of the Jackson Hole Fire/EMS Department — a jointly-funded Town of Jackson / Teton County fire district — not the Wyoming State Fire Marshal's statewide program and not the County Building Division directly.

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

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