S.C. Code Ann. § 4-25-230

The auditor shall issue the permit upon the applicant's paying a fee of two dollars when the construction will cost less than two thousand five hundred dollars or five dollars when the construction will cost more than two thousand five hundred dollars. The permit shall be numbered and a card issued to be posted on the real estate on which the construction or improvements are to be made. The permit shall be made in duplicate and the original shall be filed with the county auditor.