| Business | Phone |
| Justice-The Peace Jefferson 24420 Highway 124, Hamshire 77622 | (409) 243-2195 |
| Jefferson County Constable 4 24420 Highway 124, Hamshire 77622 | (409) 243-2290 |
| Jefferson County Drainage Dist 24420 Highway 124, Hamshire 77622 | (409) 243-3495 |
| Jefferson County Shop 24420 Highway 24, Hamshire 77622 | (409) 243-3235 |