SC · State directory
South Carolina ADU rules
Official accessory dwelling unit regulations for 20 jurisdictions in South Carolina.
Not sure which city yet?
We have read the ordinances for 20 South Carolina cities and lined them up side by side: detached vs internal, size limits, owner occupancy, and approval process.
Cities
Aiken3 sources · verified October 2026Beaufort4 sources · verified October 2026Bluffton5 sources · verified October 2026Charleston3 sources · verified October 2026Columbia4 sources · verified October 2026Florence3 sources · verified October 2026Goose Creek4 sources · verified October 2026Greenville2 sources · verified October 2026Hilton Head Island5 sources · verified October 2026Mount Pleasant5 sources · verified October 2026Myrtle Beach3 sources · verified October 2026North Charleston4 sources · verified October 2026Rock Hill3 sources · verified October 2026Spartanburg3 sources · verified October 2026Summerville2 sources · verified October 2026
Counties & regions
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