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County building permits

Unincorporated Sweetwater County

How to apply for a building permit in unincorporated Sweetwater County, Wyoming. Permit authority, application steps, fees, and inspection requirements.

Last verified
April 2026
On this page 6
§ 01

Permit authority

Sweetwater County Land Use Department

Street address
80 W. Flaming Gorge Way, Suite 23, Green River, WY 82935
Coverage
All unincorporated areas of Sweetwater County. Does not cover the incorporated cities and towns of Rock Springs, Green River, Wamsutter, Superior, Granger, or Bairoil, each of which has separate permitting authority.
Online portal
Land Use Application Forms
Paper-based submission
§ 02

When a permit is required

Permit triggers and exempt work for Sweetwater County

All residential, commercial, industrial, and mineral construction and use in unincorporated Sweetwater County requires an approved zoning/construction permit.

Note: No official published exempt work list was found in publicly available documents. Work that does not constitute construction or change of use on unincorporated land may not require a permit. Confirm with the Land Use office at (307) 872-3914 before commencing any project.

Required documents
  • Completed Construction and Address application form
  • Site plan (county provides a site plan example document)
  • Drawings and specifications as applicable to the project type
Building code
The county Zoning Resolution (2015, amended through February 2025) governs land use and zoning in unincorporated areas. The county does not appear to administer a standalone building code for construction quality in the same manner as the cities. State-level building code (IBC 2024 and related codes effective June 26, 2024) may apply to certain structures.
Permit validity
Not publicly stated. Contact the Land Use office for permit duration and extension rules.
Owner-builder
Not explicitly stated in publicly available documents. Contact the Land Use office.
Contractor requirements
Not explicitly stated at the county level for unincorporated areas. State of Wyoming does not have a statewide general contractor license requirement. Electrical work requires a state electrical license. Plumbers must be licensed by the state.
§ 03

Application process

Typical processing: Processing time not publicly stated. Contact the office for current processing times.

  1. 01
    Determine if your project requires a Construction and Address permit, zoning/conditional use permit, or other application type by reviewing the Land Use application forms page or calling (307) 872-3914.
  2. 02
    Download and complete the applicable application form (most construction uses the Construction and Address application).
  3. 03
    Prepare required supporting documents (site plan, drawings as applicable).
  4. 04
    Submit the completed application and fee payment to the Land Use office at 80 W. Flaming Gorge Way, Suite 23, Green River, WY 82935 during business hours (Monday-Friday, 8:00 am - 5:00 pm).
  5. 05
    Staff reviews the application for compliance with the 2015 Zoning Resolution (amended through February 2025) and the Growth Management Plan if applicable.
  6. 06
    Permit is approved or conditions are communicated to the applicant.
  7. 07
    No construction or use may begin before the permit is approved. Work commenced before approval is subject to a Late Application Fee in addition to the standard fee.

Typical processing time: Processing time not publicly stated. Contact the office for current processing times.

Source: Sweetwater County Land Use Department ↗

§ 04

Fee schedule

Sweetwater County building permit fees

Fee type
Amount
01
Permit fee formula
Not publicly posted.
02
Penalty (no permit)
Late Application Fee imposed when construction begins without an approved permit. Amount not publicly posted.

Payment is due at the time of application submission. An incomplete fee payment constitutes an incomplete application.

§ 05

Required inspections

Scheduling and sequence

How to schedule
  • (307) 872-3914 (phone)
Inspection hours
Monday-Friday, 8:00 AM to 5:00 PM

Typical sequence: The county Land Use Department functions primarily as a zoning permit authority. Building inspection services in unincorporated areas may be limited or self-certified. Confirm inspection requirements with the Land Use office.

Source: Sweetwater County Land Use Department ↗

§ 06

Frequently asked

Common questions about unincorporated Sweetwater County permits

01 Do I need a building permit in unincorporated Sweetwater County, WY?
All residential, commercial, industrial, and mineral construction and use in unincorporated Sweetwater County requires an approved zoning/construction permit.
02 How much does a building permit cost in unincorporated Sweetwater County, WY?
Building permit fees in unincorporated Sweetwater County, WY are set by the local building department and vary by project type and valuation. Fees are calculated as: Not publicly posted..
03 How do I apply for a building permit in unincorporated Sweetwater County, WY?
To apply for a building permit in unincorporated Sweetwater County, WY, follow these steps: 1. Determine if your project requires a Construction and Address permit, zoning/conditional use permit, or other application type by reviewing the Land Use application forms page or calling (307) 872-3914. 2. Download and complete the applicable application form (most construction uses the Construction and Address application). 3. Prepare required supporting documents (site plan, drawings as applicable). 4. Submit the completed application and fee payment to the Land Use office at 80 W. Flaming Gorge Way, Suite 23, Green River, WY 82935 during business hours (Monday-Friday, 8:00 am - 5:00 pm). 5. Staff reviews the application for compliance with the 2015 Zoning Resolution (amended through February 2025) and the Growth Management Plan if applicable. 6. Permit is approved or conditions are communicated to the applicant. 7. No construction or use may begin before the permit is approved. Work commenced before approval is subject to a Late Application Fee in addition to the standard fee.
04 How long does it take to get a building permit in unincorporated Sweetwater County, WY?
Building permit processing times in unincorporated Sweetwater County, WY typically run Processing time not publicly stated. Contact the office for current processing times.. Timelines can vary based on project complexity and current department workload.
05 How do I schedule a building inspection in unincorporated Sweetwater County, WY?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Sweetwater County, WY via: (307) 872-3914.
last verified April 2026 source Sweetwater County Land Use Department ↗ entry id permits/wyoming/sweetwater/unincorporated

Educational reference. Permit rules and fees change — confirm current requirements directly with Sweetwater County Land Use Department before applying. Jaspector is not legal advice.