1.   Accessory Uses shall be compatible with the principal use and shall not be established prior to the establishment of the principal use, and shall not include the keeping, propagation, or culture or pigeons, poultry, or livestock, whether or not for profit. Private swimming pools shall be a permitted accessory use in any Residence District, provided it conforms with the regulations of this Ordinance and other applicable ordinances of the Village of Itasca.

   2.   No accessory building, unless it is structurally a part of the principal building and unless it conforms with requirements of accessory building for Special Uses, shall be erected or altered, or moved to a location within ten (10) feet of the nearest wall of the principal building, or within the required area for front or side yard of the lot. An accessory building in a rear yard shall be not less than five (5) feet from any property line.

   3.   No accessory building shall encroach upon the side yard of a comer lot which is adjacent to the street, nor upon that side yard of a reversed corner lot which is adjacent to the street, nor upon the rear yard of a through lot.

   4.   All accessory buildings shall be restricted to the following:

      a.   Maximum Height: Eighteen (18) feet.

      b.   Maximum Number of Stories: One (1).

      c.   Minimum Building Separation (Principal & Other Accessory): Ten (10) feet.

      d.   The maximum accessory structure square footage (including but not limited to sheds, detached garage, swimming pools, and other structures under a roof) shall be the lesser of ten (10) percent of the lot area or:

         i.   R-1: 864 square feet.

         ii.   R-2: 792 square feet.

         iii.   R-3: 720 square feet.

   5.   Towers and/or antennas as accessory structures if the following criteria are met:

      a.   That no part of any tower and/or antenna shall project more than fifteen (15) feet above actual building height, or fifteen (15) feet above the maximum building height for the Zoning District in which it is located, whichever is lower.

      b.   The setback for the base of any tower and/or antenna shall be a minimum of ten (10) feet from all property lines and any public easements, for towers and/or antennas up to thirty (30) feet in height. For towers and/or antenna over thirty (30) feet in height, required setback shall be increased two (2) feet for every one (1) foot of increased tower and/or antenna height. All elements of the tower and/or antenna shall be setback a minimum often (10) feet from any public easements.

      c.   All towers and/or antennas shall be in compliance with all adopted codes and ordinance of the Village as well as any current applicable rules and regulations of the FCC and/or FAA and the Electronic Industries Association Manual on Structural Standards for Steel Antenna Towers and Antenna Supporting Structures, document RS-222C (Revision of RS-222B) dated March, 1976, or as amended and any and all building codes and ordinances of the Village of Itasca and other applicable regulatory agencies.

   6.   Portable storage containers may be permitted as accessory structures to a residential use if the following criteria are met, and subject to the following limitations:

      a.   Portable storage containers shall be permitted only on lots containing single-family detached dwellings or townhomes.

      b.   A maximum of one (1) portable storage container shall be permitted on any one (1) zoning lot.

      c.   No portable storage container shall exceed eight (8) feet in height, eight (8) feet in width, or sixteen (16) feet in length, and the total volume shall not exceed 1,024 cubic feet.

      d.   Portable storage containers shall be located on hard surfaces and outside of required yard setbacks where it is possible to do so.

      e.   Portable storage containers shall be in good condition, and free of rust and other visible deterioration.

      f.   The location of any permitted portable storage container shall not exceed thirty (30) days within any one- (1) year period on any one (1) zoning lot.

   7.   Attached and unattached garages located in residential districts are subject to the following limitations:

      a.   The garage door height shall be no more than nine (9) feet in height.

      b.   In residential districts, garage doors shall not be of a roll-up type of design.