S.C. Code Ann. § 29-15-10
(A) A proprietor, an owner, or an operator of any towing company, storage facility, garage, or repair shop, or any person who repairs or furnishes any material for repairs to an article may sell the article at public auction to the highest bidder if:
(3) thirty days have passed since written notice was given to the owner of the article and to any lienholder that the repairs have been completed or the storage contract has expired.
The article must be sold by a magistrate of the county in which the repairs were done or the article was stored.
(G) For purposes of this section, "article" means a motor vehicle, trailer, mobile home, watercraft, or any other item or object that is subject to towing, storage, or repair and applies to any article in custody at the time of the enactment of this section. "Article" includes: