Each building, house, or other structure on a parcel of real estate which is or has been assigned a street number by the Plan Commission, shall have displayed, and properly maintained thereon, the assigned street number on a portion of the structure on or near the main entrance, which is plainly and readily visible by the naked eye from the street or other public way which adjoins said parcel.
(Ord. No. 949, § 1,4-11-84)