City Building Permits

Green River, WY - 2026 Building Permit Guide

How to apply for a building permit in Green River, Wyoming. Permit authority, application steps, fees, and inspection requirements.

Wyoming Sweetwater County Updated March 2026

Permit Authority

All construction within the incorporated city limits of Green River, the county seat of Sweetwater County. Projects outside city limits fall under Sweetwater County Land Use jurisdiction.

Department
City of Green River Development Services -- Building Division
Address
50 E 2nd North Street, Green River, WY 82935
Phone
(307) 872-6140
Website
https://www.grwyo.org/87/Building-Inspection

Online Permit Portal

Open MGO Connect (MyGovernmentOnline)

Platform: MyGovernmentOnline • Account required: Yes • Submission: Online only

Application Process

  1. Determine if a permit is required. The city provides a 'Work Requiring a Building Permit' PDF and a 'what does not require a building permit' PDF via the forms center.
  2. Download the Building Permit Application PDF from the forms center, or apply online via MGO Connect.
  3. Prepare all supporting documents: site plan showing setbacks and utilities, floor plan, foundation plan, wall section drawings, roof drawings, and elevations.
  4. Commercial projects require a Commercial Plan Review Application in addition to the standard building permit application.
  5. Submit completed application and all documents online via MGO Connect or in person at 50 E 2nd North Street.
  6. Pay applicable permit fees.
  7. Plans are reviewed by the Building Division. Corrections or approval are communicated.
  8. Permit is issued. Do not begin construction before permit issuance. Commencing work without a permit triggers an investigative fee.
  9. Schedule required inspections through the Building Division as construction progresses.
  10. Final inspection and certificate of occupancy issued upon completion.

Typical processing time: Processing time not publicly stated. Contact (307) 872-6140.

Source: City of Green River Development Services -- Building Division

General Requirements

A building permit is required if you erect, enlarge, alter, repair, move, improve, or convert a building or structure. This includes plumbing, electrical, and mechanical modifications.

Required Documents

  • Building Permit Application
  • Site plan (showing property lines, setbacks, existing and proposed structures, utilities)
  • Floor plan
  • Foundation plan
  • Wall section
  • Roof plan
  • Elevations
  • Commercial Plan Review Application (for commercial projects)
Permit validity
Not publicly stated. Contact (307) 872-6140.
Building code
Building codes are administered under Chapter 7 of the Green River Code of Ordinances. Green River enforces the adopted building codes per the Code of Ordinances. State-level adoption is IBC 2024, IMC 2024, IFC 2024, IEBC 2024, IFGC 2024 (effective June 26, 2024) and NFPA 70 (2023).
Owner-builder
Not explicitly described in publicly available documents. Contact (307) 872-6140.
Contractor requirements
All contractors and subcontractors performing work in Green River must obtain a City of Green River contractor's license. This is a local requirement separate from Rock Springs. Contractors using their Green River residence as a business address must also obtain a Home Occupation Permit before the contractor license is issued.

Fees

Plan check fee
Commercial Plan Review Application required; fee amount not publicly posted in current format.
Permit fee formula
Not confirmed in current accessible documents.
Reinspection fee
Investigative fee charged if work commences without a permit. Amount not publicly posted.
Payment note
Payments can be made online via MGO Connect or in person at 50 E 2nd North Street.

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

Contact the City of Green River Development Services -- Building Division to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

  • (307) 872-6140 (phone)
Inspection hours
Monday-Friday, 8:00 AM to 5:00 PM

Typical inspection sequence: An inspection guide is published at the forms center. Standard sequence applies (footing/foundation, rough-in, framing, final). Inspections will not be performed unless appropriate permits have been obtained.

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the City of Green River Development Services -- Building Division before applying.

Frequently Asked Questions

Green River Building Permit FAQ

Do I need a building permit in Green River, WY?
A building permit is required if you erect, enlarge, alter, repair, move, improve, or convert a building or structure. This includes plumbing, electrical, and mechanical modifications.
How much does a building permit cost in Green River, WY?
Fees are calculated as: Not confirmed in current accessible documents.. Plan check fee: Commercial Plan Review Application required; fee amount not publicly posted in current format..
How do I apply for a building permit in Green River, WY?
1. Determine if a permit is required. The city provides a 'Work Requiring a Building Permit' PDF and a 'what does not require a building permit' PDF via the forms center. 2. Download the Building Permit Application PDF from the forms center, or apply online via MGO Connect. 3. Prepare all supporting documents: site plan showing setbacks and utilities, floor plan, foundation plan, wall section drawings, roof drawings, and elevations. 4. Commercial projects require a Commercial Plan Review Application in addition to the standard building permit application. 5. Submit completed application and all documents online via MGO Connect or in person at 50 E 2nd North Street. 6. Pay applicable permit fees. 7. Plans are reviewed by the Building Division. Corrections or approval are communicated. 8. Permit is issued. Do not begin construction before permit issuance. Commencing work without a permit triggers an investigative fee. 9. Schedule required inspections through the Building Division as construction progresses. 10. Final inspection and certificate of occupancy issued upon completion.
How long does it take to get a building permit in Green River, WY?
Typical processing time is Processing time not publicly stated. Contact (307) 872-6140..
How do I schedule a building inspection in Green River, WY?
Inspections can be scheduled via: (307) 872-6140.

Need help with your project?

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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Rock Springs Sweetwater County Unincorporated Wamsutter Superior Granger Bairoil
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