Maryland Statutes
Subtitle 1 - Powers
Section 4-102 - General Powers

To promote the health, safety, and general welfare of the community, a legislative body may regulate:
        (1)    the height, number of stories, and size of buildings and other structures;
        (2)    the percentage of a lot that may be occupied;
        (3)    off–street parking;
        (4)    the size of yards, courts, and other open spaces;
        (5)    population density; and
        (6)    the location and use of buildings, signs, structures, and land.