Accessory structures incidental to a principal use or principal structure are permitted provided:

     A. Accessory structures may be built anywhere that a principal building may be built, and may be built to occupy up to thirty (30) percent of a required rear yard and/or the back fifty (50) percent of a required side yard, and provided further that no accessory building in a required side or rear yard shall be within fifteen (15) feet of a public street right-of-way line.

     B. Except in the Agricultural One, Two, Three and Four Zone Districts, no accessory building shall be built within five (5) feet of any other building on the parcel unless the adjacent walls of both are of eight (8) inch solid masonry or equal construction.

     C. Except on farms in the Agricultural One, Two, Three and Four Zone Districts, accessory buildings to be built in required rear or side yards may not be built within five (5) feet of a rear or side lot line, unless the wall facing said rear or side lot lines shall be of eight (8) inch solid masonry or equal construction, contain no openings, have no roof overhang, and roofs shall not discharge water on adjacent parcels.

     D. Temporary real estate signs indicating property is for sale or rent may be placed anywhere on the premises provided they meet all other requirements of Section 17.116.050(C).

     E. No mobile home or trailer home structures, truck trailers, or railroad cars shall be utilized as accessory buildings regardless of purpose except the same may be allowed on parcels of no less than eight (80) acres in size which are, in addition, located in an agricultural zone district.  These accessory buildings, where allowed, shall be set back not less than two hundred (200) feet from any property line.  Nothing in this paragraph E shall prohibit nor limit contractor's and business' use of licensed, operable truck trailers.