Sebastian County, AR - 2026 Building Permit Guide

Permit Authority

Sebastian County has NO zoning or land use controls in its unincorporated areas. No county entity or persons currently assist with the regulation of land uses in unincorporated Sebastian County. This means that in unincorporated parts of the county (outside city limits of Fort Smith, Greenwood, Barling, Lavaca, Mansfield, Hackett, Hartford, Huntington, Bonanza, and other incorporated municipalities), there is no county-level building permit requirement and no county building department to administer one.

Department

Address

Fort Smith Courthouse, 35 S 6th St, Fort Smith, AR 72901 or Greenwood Courthouse, 115 N 3rd St, Greenwood, AR 72936

Website

https://www.sebastiancountyar.gov/

Application Process

1. No building permit is required from Sebastian County for construction in unincorporated areas. However, the following permits from STATE or FEDERAL agencies may still apply regardless of location:
2. 2. Arkansas Department of Environmental Quality (ADEQ) stormwater permit: May be required for land disturbance over one acre.
3. 3. FEMA floodplain regulations: If the property is in a FEMA-designated Special Flood Hazard Area (SFHA), federal floodplain management requirements still apply. Contact Sebastian County for floodplain administrator information.
4. 4. Arkansas Contractors Licensing Board: State contractor licensing requirements still apply to any contractor performing work in unincorporated areas.
5. 5. Electrical work: Arkansas state licensing requirements for electricians apply regardless of county permit status.

Source:

General Requirements

No county building permit is required in unincorporated Sebastian County. State and federal permits described in the Application Process section may still be required for specific work types.

Required Documents

• Not applicable at county level for building permits. State and federal permits may require specific documents.

Building code

No county-adopted building code for unincorporated areas. The Arkansas State Building Code (administered through the Arkansas Department of Labor and Licensing / State Fire Marshal) may apply to certain structure types even in unincorporated areas. Verify with the State Fire Marshal's office.

Owner-builder

No county-level owner-builder rules, but Arkansas state contractor licensing rules still apply to hired contractors.

Contractor requirements

Arkansas Contractors Licensing Board requirements apply statewide, including in unincorporated areas. Residential projects at or over $2,000 and commercial projects over $50,000 require a licensed contractor.

Work That Does NOT Require a Permit

• All residential and commercial construction in unincorporated Sebastian County is effectively exempt from county building permit requirements because no such requirement exists.

Important: This does not exempt work from state-level licensing, health department, or floodplain requirements.

Inspections

How to Schedule

Typical inspection sequence: No county building inspections exist for unincorporated Sebastian County.

Additional Resources

• Building code: No county-adopted building code for unincorporated areas. The Arkansas State Building Code (administered through the Arkansas Department of Labor and Licensing / State Fire Marshal) may apply to certain structure types even in unincorporated areas. Verify with the State Fire Marshal's office.
• Verify contractor license: Arkansas Contractors Licensing Board
• Zoning information: View zoning info
• Sebastian County Code of Ordinances
• Arkansas Department of Health Onsite Wastewater
• Arkansas State Fire Marshal (building codes)
• Fort Smith GIS (property mapping for the county)
• License lookup guide: Arkansas Contractor License Requirements
• Contract template: Arkansas Homeowner-Contractor Agreement
• Arkansas hub: Arkansas Contractor License & Permit Hub

Frequently Asked Questions

Sebastian County Building Permit FAQ

Do I need a building permit in unincorporated Sebastian County, AR?

No county building permit is required in unincorporated Sebastian County. State and federal permits described in the Application Process section may still be required for specific work types.

How do I apply for a building permit in unincorporated Sebastian County, AR?

1. No building permit is required from Sebastian County for construction in unincorporated areas. However, the following permits from STATE or FEDERAL agencies may still apply regardless of location: 2. 2. Arkansas Department of Environmental Quality (ADEQ) stormwater permit: May be required for land disturbance over one acre. 3. 3. FEMA floodplain regulations: If the property is in a FEMA-designated Special Flood Hazard Area (SFHA), federal floodplain management requirements still apply. Contact Sebastian County for floodplain administrator information. 4. 4. Arkansas Contractors Licensing Board: State contractor licensing requirements still apply to any contractor performing work in unincorporated areas. 5. 5. Electrical work: Arkansas state licensing requirements for electricians apply regardless of county permit status.

What work is exempt from building permits in unincorporated Sebastian County, AR?

The following work is generally exempt: All residential and commercial construction in unincorporated Sebastian County is effectively exempt from county building permit requirements because no such requirement exists.. Note: This does not exempt work from state-level licensing, health department, or floodplain requirements.