Md. Code, Local Government § 10–304

(a) A county may establish, maintain, and control hospitals, homeless

shelters, and other similar institutions in the county.

(b) A county may establish and maintain courthouses.

(c) A county may:

(1) establish and maintain local correctional or detention facilities

and juvenile facilities;

(2) regulate all individuals confined in the facilities; and

(3) make appropriate provisions for females and juveniles.