Ohio Rev. Code § 715.29: Sanitation.

Any municipal corporation may:

(A) Regulate by ordinance the use, control, repair, and maintenance of buildings used for human occupancy or habitation, the number of occupants, and the mode and manner of occupancy, for the purpose of insuring the healthful, safe, and sanitary environment of the occupants thereof;

(B) Compel the owners of such buildings to alter, reconstruct, or modify them, or any room, store, compartment, or part thereof, for the purpose of insuring the healthful, safe, and sanitary environment of the occupants thereof;

(C) Prohibit the use and occupancy of such buildings until such rules, regulations, and provisions have been complied with.