S.C. Code Ann. § 24-21-270
The governing body of each county in which a probation agent serves shall provide, in or near the courthouse, suitable office space for such agent.
SECTION 24-21-270 requires office space for probation officers to be located "in or near the courthouse". A reasonable walking distance would meet statutes requirement of such office being located "in or near the courthouse". 1984 Op Atty Gen, No. 84-28, p. 69.