What matters for project planning
Charleston administers historic-preservation review and floodplain management in a low coastal city. Local district rules, current flood maps, elevation, drainage, wind, and salt exposure can materially change a project scope.
Official sources
Verify the property, not just the city
Citywide context cannot establish a parcel’s flood zone, historic designation, stream buffer, permit requirements, soil conditions, or concealed construction. Confirm those items with the appropriate authority and selected provider before work begins.
Research date
Sources reviewed June 20, 2026. External requirements and maps can change.