| Business | Phone |
| Karnes County District Clerk 101 N Panna Maria Ave 2, Karnes City 78118 | (830) 780-2562 |
| Karnes County District Judge 101 N Panna Maria Ave 2, Karnes City 78118 | (830) 780-3089 |
| Karnes County Judge 101 N Panna Maria Ave 4, Karnes City 78118 | (830) 780-3732 |