Do I need a permit for addition or structural alteration in Greenwood County (Unincorporated)?
Yes. In South Carolina, addition or structural alteration generally requires a permit, and Greenwood County (Unincorporated) is no exception.
In the Charleston area an addition may fall in a flood zone, which can require a minimum finished floor elevation and an elevation certificate. This is on top of the coastal wind design requirements. Additions must meet zoning setbacks and lot coverage limits, so verify your lot lines and required distances before finalizing the design. In Greenwood County, permits outside the cities are handled by the Greenwood County Building Inspection and Permitting office, reachable on 864-942-8500 at https://www.greenwoodcounty-sc.gov/permits. Its online permit portal is https://www.citizenserve.com/Portal/PortalController?Action=showHomePage&ctzPagePrefix=Portal_&installationID=455. The county directs its building inspection and permitting to the City of Greenwood's Building Inspection Department, and the county and the city share one online permit portal. A City of Greenwood business license is not required for work outside the city limits, but a permit still is. An addition means a full plan review, so confirm submittal requirements and current review times before you commission drawings.
Local detail for Greenwood County (Unincorporated): The county directs its building inspection and permitting to the City of Greenwood's Building Inspection Department, and the county and the city share one online permit portal. A City of Greenwood business license is not required for work outside the city limits, but a permit still is.
Documents you may need
- Building permit applicationrequired
- Construction drawings showing the new floor plan, framing and structural detailsrequired
- Site plan showing the addition footprint and setbacksrequired
- Contractor license or owner-builder affidavitrequired
- Energy and trade details for new electrical, plumbing or mechanical workLikely required
Possible inspections
- Footing and foundation inspection
- Framing and rough trade inspections (electrical, plumbing, mechanical)
- Insulation inspection
- Final inspection before occupancy of the new space
Frequently asked questions
- Do I need a permit for addition or structural alteration in Greenwood County (Unincorporated)?
- Yes. In South Carolina, addition or structural alteration generally requires a permit, and Greenwood County (Unincorporated) is no exception. In the Charleston area an addition may fall in a flood zone, which can require a minimum finished floor elevation and an elevation certificate. This is on top of the coastal wind design requirements. Additions must meet zoning setbacks and lot coverage limits, so verify your lot lines and required distances before finalizing the design. In Greenwood County, permits outside the cities are handled by the Greenwood County Building Inspection and Permitting office, reachable on 864-942-8500 at https://www.greenwoodcounty-sc.gov/permits. Its online permit portal is https://www.citizenserve.com/Portal/PortalController?Action=showHomePage&ctzPagePrefix=Portal_&installationID=455. The county directs its building inspection and permitting to the City of Greenwood's Building Inspection Department, and the county and the city share one online permit portal. A City of Greenwood business license is not required for work outside the city limits, but a permit still is. An addition means a full plan review, so confirm submittal requirements and current review times before you commission drawings.
- Who issues the permit in Greenwood County (Unincorporated)?
- The local building department for Greenwood County (Unincorporated) handles permitting. This page lists its contact details and online portal. Your mailing city is not always the permitting authority, so confirm the jurisdiction before you apply.
- How do I find out the exact requirements for my project?
- Run the free PermitRoadmap check for your specific project and answers. It returns the likely permits, documents, inspections, and next steps, each linked to its official source.
PermitRoadmap is an independent informational service and is not affiliated with any city, county, state agency, or permitting authority. Results are informational and do not replace confirming requirements with the local permitting authority.