Ala. Code § 11-14-10
The county commission shall erect courthouses, jails, and hospitals and other necessary county buildings, and such county commission shall have authority to levy a special tax for that purpose. Each county within the state shall be required to maintain a jail within their county.
In counties in which a circuit court has been or is hereafter authorized to be held in more than one place, the county commission may build courthouses in each place of holding court, and, in all counties wherein a circuit court is authorized to be held or may hereafter be authorized to be held in more than one place for six months or more during any year, the county commission shall erect a courthouse at each of such places where such court is held, such courthouses to be adequate and commodious for the business of such court and county at such place. In said counties wherein a circuit court is authorized to be held or may hereafter be authorized to be held in more than one place for six months or more during any year, the county commission may erect and/or maintain a jail upon any property owned by the county located within the county. The Legislature, by local act passed subsequent to February 9, 1982, may provide for the location of such jail. This section shall not affect in anywise any local law heretofore enacted that is not in conflict herewith.
Ala. Code § 11-14-10 (1975)