Building permit required.

S.C. Code Ann. § 4-25-210
in effect
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It shall be unlawful for any person to erect or construct any improvements on real estate, which cost in excess of one thousand dollars, in any county containing a municipality with a population of more than ninety-seven thousand, according to the latest official United States census, unless an application has been filed with and a permit granted by the county auditor to erect or construct such improvements; provided, that no application or permit shall be required for such improvements upon real estate situate within any incorporated municipality, which requires a permit for the erection or construction of such improvements.
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://www.scstatehouse.gov/code/t04c025.phpFetched: 10/17/2026

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