County Building Permits
Lyon County, MN - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Lyon County, Minnesota. Permit authority, application steps, fees, and inspection requirements.
Minnesota Updated March 2026
Permit Authority
Unincorporated Lyon County
- Department
- Address
- Lyon County Government Center, 607 W Main St, Marshall, MN 56258
- Phone
- 507-537-6724 (county main line)
- Website
- https://www.lyonco.org/
Application Process
General Requirements
- Building code
- Minnesota State Building Code applies where locally enforced; no county-specific public adoption page found
Work That Does NOT Require a Permit
Contact the to confirm whether your project requires a permit before starting work.
Inspections
How to Schedule
Additional Resources
- Building code: Minnesota State Building Code applies where locally enforced; no county-specific public adoption page found
- Zoning information: View zoning info
- License lookup guide: Minnesota Contractor License Requirements
- Contract template: Minnesota Homeowner-Contractor Agreement
- Minnesota hub: Minnesota Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the before applying.
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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.