| Business | Phone |
| Fairfield County Auditor 100 Congress St, Winnsboro 29180 | (803) 712-6524 |
| Fairfield County Finance Dept 350 Columbia Rd, Winnsboro 29180 | (803) 712-6506 |
| Fairfield County Tax Assessor 101 S Congress St, Winnsboro 29180 | (803) 712-6520 |
| Fairfield County Tax Collector 101 S Congress St, Winnsboro 29180 | (803) 712-6522 |
| Fairfield County Treasurer 100 Congress St, Winnsboro 29180 | (803) 712-6517 |