18.21.140: ACCESSORY BUILDINGS:
   A.   Accessory buildings shall not occupy more than ten percent (10%) of the rear yard.
   B.   Accessory buildings shall be a minimum of ten feet (10') from the main buildings; provided, however, that when more than five feet (5') of such accessory building extends into the area to the rear of the main building, which area is defined by the projection of planes parallel to the side lot lines, which planes pass through the sides of the main building, in which case the minimum space between buildings shall be twenty feet (20'). In cases where vehicular entry to garage occurs in the space between buildings, the minimum space between buildings shall be not less than twenty five feet (25').
   C.   Accessory buildings shall be located not closer to the side and rear property lines than:
      1.   Five feet (5') for one-story nonresidential accessory buildings;
      2.   Ten feet (10') for two-story nonresidential accessory buildings and one- or two-story accessory buildings utilized for residential purposes.
   D.   When lots are served by an existing or proposed alley, no main building shall be located closer than twenty five feet (25') from the rear property line, and for accessory buildings, if perpendicular access to the accessory building is from the alley, not less than twenty feet (20') from the rear property line. Perpendicular access to a carport may be reduced to a width of twenty five feet (25'), measured from the opposite side of the alley. If access parallel to the alley is provided to a garage or carport, the provisions of subsection C of this section shall apply.
   E.   Setbacks and the location of accessory and main buildings for lots which side onto the alley shall be determined by the regulations established for corner lots. (Ord. 2286 § 1, 1995)