| Business | Phone |
| Castroville Airport Inc 10501 Airport Rd, Castroville 78009 | (830) 931-3313 |
| Castroville Municipal Airport 10500 Airport Rd, Castroville 78009 | (830) 931-0232 |
| Castroville Municipal Airport 10502 Airport Road, Castroville 78009 | (830) 931-0234 |