4-13-4: RESIDENTIAL USES:
   A.   Street numbers shall be placed on the exterior wall of all residential structures within two feet (2') of the entrance door in such a position as to be clearly visible from the public highway or street to which the number relates.
   B.   Where multi-family structures have separate street numbers for each unit, such numbers shall be placed on the doors or within three feet (3') of the doors on adjacent walls. If such numbers are not clearly visible from the nearest public highway or street, the numbers shall also be listed elsewhere on the premises on which the structure is located so as to be clearly visible from the public highway or street.
   C.   Street numbers for mobile homes shall be placed on exterior walls within three feet (3') of the main entrances. If such numbers are not clearly visible from the public highway or street to which the number relates, the numbers shall also be listed elsewhere on the premises on which the structure is located so as to be clearly visible from such public highway or street. Where the city deems it necessary, it shall require the owners of mobile home parks to erect a map at the entrances thereto depicting the layout of streets and the location of lots to which street numbers are assigned.
   D.   Where multi-family structures have a primary street number to designate the structure and the secondary numbers or letters to designate individual units therein, the primary street number may be placed on the premises near the structure as well as on the exterior wall pursuant to subsection A of this section. Secondary numbers or letters designating individual units shall be placed on doors or on adjacent walls within three feet (3') of the doors. (Ord. 2010-19, 1-4-2011)