Md. Code, Land Use § 10–102

(a) A regulation adopted under this title that conflicts with any statute, local law, or other regulation shall govern if the regulation adopted under this title:

(1) requires a greater width or size of yards, courts, or other open spaces;

(2) requires a lower height of buildings;

(3) requires a reduced number of stories;

(4) requires a greater percentage of lot left unoccupied; or

(5) imposes a more restrictive standard.

(b) A statute, local law, or other regulation that conflicts with a regulation adopted under this title shall govern if the statute, local law, or other regulation:

(1) requires a greater width or size of yards, courts, or other open spaces;

(2) requires a lower height of buildings;

(3) requires a reduced number of stories;

(4) requires a greater percentage of lot left unoccupied; or

(5) imposes a more restrictive standard.