| Business | Phone |
| Gillespie County Auditor 101 W Main St # 4, Fredericksburg 78624 | (830) 997-6777 |
| Gillespie County Treasurer Office 101 W Main St # 106, Fredericksburg 78624 | (830) 997-6521 |
| County Tax Collector 101 W Main St # 2, Fredericksburg 78624 | (830) 997-6519 |