All single family residences, duplexes, apartment buildings, and condominiums and all business establishments within the city shall comply with this section.
   (A)   Size and type of numbers.  Each building within the city shall display the numbers assigned to that building by the city or by the U.S. Postal Service.  These numbers shall be arabic numerals at least three inches in height and designed to be visible both day and night.
   (B)   Location of numbers.  The numbers required by this section shall be located above the building's primary entrance from the street or in a similar and conspicuous location on the front of the building. Those buildings served by mail boxes placed apart from the building must display the assigned number in arabic numerals at least two inches in height on the mail box in addition to the required numbers on the building.
   (C)   Visibility.  All numbers displayed either on buildings or mail boxes must be clearly and easily visible from the street.
(Ord. 1980-16, passed 5-19-80)  Penalty, see § 150.99