Before You Build in Charleston, SC: Permit & Rule Checklist (2026)

Charleston generally requires a permit for new fences or significant modifications. Historic district fences require Board of Architectural Review approval in addition to standard permits.

Charleston follows South Carolina's general property line rules for fences. Fences must be built entirely on the owner's property. Shared fences on property lines require neighbor agreement.

Charleston limits fence heights to 4 feet in front yards and 6 feet in side and rear yards under the Zoning Ordinance. Historic district properties may face additional height and design requirements.

Charleston requires a building permit and zoning review for residential pools through the Permit Center. Plans must be signed by a licensed SC structural engineer. Pools deeper than 24 inches need a code-compliant barrier at least 48 inches tall with self-closing, self-latching gates.

Charleston requires pools to be enclosed by a barrier at least 48 inches high with self-closing, self-latching gates. Pool barriers must comply with the International Swimming Pool and Spa Code.

Above-ground pools in Charleston must meet the same barrier and safety requirements as in-ground pools. Pools with walls less than 48 inches require additional fencing.

Charleston pools must have safety equipment including drain covers, rescue equipment, and signage. South Carolina's Virginia Graeme Baker Act compliance is required for all pool drains.

Charleston allows garage conversions to living space with a building permit and compliance with zoning and building codes. Converted garages must meet residential building standards for habitable space.

Charleston allows Accessory Dwelling Units (ADUs) in certain residential zones. ADUs must meet size, setback, and design standards. A permit is required and the property owner must reside on-site.

Charleston regulates carports as accessory structures under the Zoning Ordinance. Structures over 120 sq ft require a zoning permit, plus a building permit through the Permit Center. Historic district carports require Board of Architectural Review (BAR) approval.

Charleston has no standalone tiny-home ordinance. Tiny dwellings on permanent foundations are regulated as accessory dwelling units under Zoning Ordinance Section 54-214, capped at 850 sq ft. SC adopts IRC Appendix Q for tiny houses 400 sq ft or less.

Charleston allows sheds as accessory structures with setback and size requirements. Sheds over 200 square feet or requiring electrical/plumbing generally need a building permit.

Charleston prohibits open burning within city limits under fire prevention regulations. Burning trash, leaves, or yard debris is not permitted. Only contained recreational fires may be allowed with restrictions.

Charleston allows recreational fire pits with restrictions. Fire pits must be at least 15 feet from structures and property lines, use approved fuel, and be attended at all times.

Charleston regulates tree trimming, especially for heritage trees and trees in the historic district. Property owners may trim trees on their property but need approval for protected species or trees in the public right-of-way.

Charleston follows Charleston Water System guidelines for outdoor watering. During drought conditions, the city implements mandatory water restrictions including odd/even watering schedules.

Charleston requires permits for removal of significant trees, especially in the historic district. Trees with 8-inch or greater caliper in the historic district require BAR approval before removal.