| Business | Phone |
| Union County Auditor 210 W Main St, Union 29379 | (864) 429-1618 |
| Union County Tax Assessor 203 N Herndon St, Union 29379 | (864) 429-1650 |
| Union County Tax Collector 210 W Main St, Union 29379 | (864) 429-1617 |
| Union County Treasurer 210 W Main St, Union 29379 | (864) 429-1606 |