S.C. Code § 46-10-70
To effectuate the purposes of this chapter, the commission may with a warrant or the consent of the owner make reasonable inspection of any premises in this State and any property therein or thereon and may without a warrant stop and inspect, in a reasonable manner, any means of conveyance moving within this State upon probable cause to believe it contains or carries any pest, host or other article subject to this chapter and may make any other reasonable inspection of any premises or means of conveyance for which, under the Constitution of the United States and the Constitution of this State, no warrant is required.
The courts of this State shall have authority to issue warrants for such inspections upon a showing by the commission that there is probable cause to believe that there exists in or on the property to be inspected a pest, host or other article subject to this chapter.
S.C. Code § 46-10-70