| Business | Phone |
| Matagorda Cnty Barn Precinct 1 2604 Nichols Ave, Bay City 77414 | (979) 245-3914 |
| Matagorda County Appraisal 2225 Avenue G, Bay City 77414 | (979) 244-2031 |
| Matagorda County Barn Precinct Fm 457, Bay City 77414 | (979) 323-9720 |
| Matagorda County Fair Grounds Nichols Rd, Bay City 77414 | (979) 245-0351 |
| Matagorda County Justice-Peace 1700 7th St 201, Bay City 77414 | (979) 244-7666 |
| Matagorda County Juvenile 2004 Kilowatt Dr, Bay City 77414 | (979) 323-0559 |
| Matagorda County Land Fill 2200 7th St, Bay City 77414 | (979) 245-4547 |
| Matagorda County Maintenance 1700 7th St, Bay City 77414 | (979) 244-7689 |
| Matagorda County Transfer Sta Fm 2540, Bay City 77414 | (979) 245-4547 |
| Matagorda Veterans Svc Officer 1700 7th St, Bay City 77414 | (979) 244-7691 |
| Home Economics & 4-H 2200 7th St, Bay City 77414 | (979) 245-4100 |