Retaining Wall Permit Requirements in Dayton, WY
Dayton, WY (pop 757 per 2020 census) is an incorporated town in Sheridan County. Wyoming has no state building code, so the authority depends on location. Sheridan County Public Works (307-675-2420, publicworks@sheridancountywy.gov) runs a building permit program only in the unincorporated Building Code Enforcement Area; incorporated towns like Dayton, Ranchester, and Sheridan are excluded. Within town limits, the Town of Dayton is the authority and permits are handled through Town Hall (no dedicated building department, online portal, or published fee schedule). Town site verified live 2026-05-15. Mailing address PO Box 100, Dayton, WY 82836; phone (307) 655-2217; email frontdesk@daytonwyoming.org. Call Town Hall to confirm permit requirements and fees before starting work.
By Joey, Founder · Last verified May 15, 2026 · How we research →
When you need a Retaining Wall permit in Dayton
Retaining walls over 4 feet tall (measured bottom of footing to top of wall) require a building permit and engineered drawings in almost every jurisdiction, per IRC R404. Walls supporting a surcharge (driveway, structure) require engineering at any height. To confirm requirements for your specific project in Dayton, WY, contact Town of Dayton (Town Hall) at (307) 655-2217. Visit: https://www.daytonwyoming.org/.
Retaining Wall Permit Costs: Dayton vs. Nearby
| City | Estimated Fee |
|---|---|
| Dayton | N/A |
| Cheyenne | $90 – $450 |
| Casper | $85 – $425 |
| Gillette | $85 – $425 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all Dayton permit costs →
Zoning Considerations
Retaining walls near property lines may require zoning setback review. Walls that significantly change the grade of a property may need additional zoning approval.
Estimated Project Timeline in Dayton
Here's a typical timeline for a retaining wall project in Dayton, WY:
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Frequently Asked Questions
Contact Dayton's building department for current Retaining Wall permit fee information. Fees typically vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Retaining Wall projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Dayton can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Contact Dayton's building department for current processing times. Timelines vary based on project complexity and whether plan review is required.
Learn More About Retaining Wall Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Retaining Wall Guide →