City of Baltimore
Baltimore City Code

§ 5-3. Defacing, etc., buildings.

(a) Mayor to prevent.

It shall be the duty of the Mayor or his authorized agent to prevent bill posting, defacing, mutilating, or injuring any portion of the market buildings in any manner whatsoever.

(b) Prohibited conduct.

(1) No person may post bills, deface, mutilate, or injure any portion of said market buildings.

(2) It shall be unlawful:

(i) to deface any portion of a market house or any part thereof;

(ii) to throw or cause to be thrown any stone, brick, or any other missile upon or against the market house;

(iii) to place any trestle or lumber on the roof of the market house; or

(iv) to climb or to walk upon the roof.