| Water | Yancey Water Supply Corporation | (830)741-5264 |
| Electricity | Medina Electric Cooperative, Inc. | (830)741-4384 |
| Telephone | Southwestern Bell | 1-800-464-7928 |
| Trash Service | Waste Management Company | (210)368-5007 |
| BFI Waste Services | (210)648-5222 | |
| Medina County Sanitation Engineer | (830)741-6195 |
| Medina Valley ISD | (830)931-2867 | |
| Medina Valley EMS | (830)931-2777 | |
| Castroville Post Office | (830)538-2251 | |
| Medina County Sheriff's Department | (830)931-4020 | |
| Medina County Tax Office | (830)741-6100 | |
| Medina County Addressing Coordinator | (830)741-8997 |