| Business | Phone |
| Calhoun County Auditor 102 Courthouse Dr # 101, St Matthews 29135 | (803) 874-3623 |
| Calhoun County Tax Collector 302 S F R Huff Dr # 102, St Matthews 29135 | (803) 874-4021 |
| Calhoun County Treasurer 102 Courthouse Dr # 102, St Matthews 29135 | (803) 874-3519 |
| Calhoun Tax Assessor 302 S F R Huff Dr # 107, St Matthews 29135 | (803) 874-3613 |