County Building Permits
Sweetwater County, WY - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Sweetwater County, Wyoming. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
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.
- Department
- Sweetwater County Land Use Department
- Address
- 80 W. Flaming Gorge Way, Suite 23, Green River, WY 82935
- Phone
- (307) 872-3914 or (307) 922-5430
Online Permit Portal
Platform: Paper-based submission • Account required: No • Submission: In-person only
Additional resources:
Application Process
- 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.
- Download and complete the applicable application form (most construction uses the Construction and Address application).
- Prepare required supporting documents (site plan, drawings as applicable).
- 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).
- Staff reviews the application for compliance with the 2015 Zoning Resolution (amended through February 2025) and the Growth Management Plan if applicable.
- Permit is approved or conditions are communicated to the applicant.
- 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.
General Requirements
All residential, commercial, industrial, and mineral construction and use in unincorporated Sweetwater County requires an approved zoning/construction permit.
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
- Permit validity
- Not publicly stated. Contact the Land Use office for permit duration and extension rules.
- 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.
- 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.
Fees
- Permit fee formula
- Not publicly posted.
- Penalty (no permit)
- Late Application Fee imposed when construction begins without an approved permit. Amount not publicly posted.
- Payment note
- Payment is due at the time of application submission. An incomplete fee payment constitutes an incomplete application.
Work That Does NOT Require a Permit
Contact the Sweetwater County Land Use Department to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
- (307) 872-3914 (phone)
- Inspection hours
- Monday-Friday, 8:00 AM to 5:00 PM
Typical inspection 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.
Additional Resources
- 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.
- Zoning information: View zoning info
- Growth Management Plan
- Subdivision Regulations
- License lookup guide: Wyoming Contractor License Requirements
- Contract template: Wyoming Homeowner-Contractor Agreement
- Wyoming hub: Wyoming Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Sweetwater County Land Use Department before applying.
Frequently Asked Questions
Sweetwater County Building Permit FAQ
- 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.
- How much does a building permit cost in unincorporated Sweetwater County, WY?
- Fees are calculated as: Not publicly posted..
- How do I apply for a building permit in unincorporated Sweetwater County, WY?
- 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.
- How long does it take to get a building permit in unincorporated Sweetwater County, WY?
- Typical processing time is Processing time not publicly stated. Contact the office for current processing times..
- How do I schedule a building inspection in unincorporated Sweetwater County, WY?
- Inspections can be scheduled via: (307) 872-3914.
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