2 rules for unincorporated Charleston County, South Carolina.
Verified from official government sources
Small temporary political signs are allowed on private property in unincorporated Charleston County without a permit. A zoning permit is required only for political signs larger than 32 square feet, which are then treated as permanent free-standing signs.
Charleston County ZLDR Sec. 9.8 (Political Signs)
a. A Zoning Permit shall be required for temporary political Signs greater than 32 square feet in size. Signs greater than 32 square feet shall be treated as permanent Free-Standing Signs, subject to Sec. 9.8.2, Free-Standing Signs, along with applicable County Building Code regulations to ensure that the Signs are adequately designed to be safe and meet current wind load standards.
Temporary signs such as garage-sale and special-event signs are allowed in unincorporated Charleston County under ZLDR Sec. 9.8. In residential and agricultural districts a temporary sign is limited to 50 square feet, one per lot, with no internal illumination.
Charleston County ZLDR Sec. 9.8 (Temporary Signs)
Temporary ... 50 sq. ft. in Residential and Agricultural Zoning Districts and no internal illumination ... One per Lot ... Six feet in Residential Zoning Districts ... Five feet [setback].
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