Maryland Code, Public Safety § 6-309

(1) may enter into and examine a building or premises where a fire is burning or where a fire or attempt to cause a fire has occurred;

(2) may enter into a building or premises adjacent to a building or premises where a fire or attempt to cause a fire has occurred; and

(3) may take full control and custody of the building or premises and place an individual that the State Fire Marshal considers proper in charge of the building or premises, until the examination and investigation of the State Fire Marshal is completed.