City of Baltimore
Baltimore City Code

§ 5-11. Posting license.

The license issued under this subtitle must be prominently displayed:

(1) for a multiple-family dwelling or rooming house, in the vestibule, lobby, or other public place on the premises; and

(2) for a 1- or 2-family dwelling, in an area of each dwelling unit that is accessible to that unit's occupants and to housing inspectors.