§ 10-3.411 YARD ENCROACHMENTS.
   Where yards are required by this chapter, they shall be not less in depth or width than the minimum dimension specified for any yard, and they shall be at every point open and unobstructed from the ground upward, except as follows:
   (A)   Architectural features. Fireplaces, bay windows, balconies, cornices, canopies, and eaves, not providing additional floor space within the building, may extend into a required front, side, or rear yards not to exceed two feet.
   (B)   Porches.
      (1)   Covered porches, landing spaces, or outside stairways, which do not extend above the level of the entrance floor of the building may project into any required side yard not more than three feet and not exceeding six feet into any required front yard. An open work railing, not more than 30 inches in height, may be installed or constructed on any such porch or landing space.
      (2)   Open porches, landing spaces, or outside stairways, if unroofed and unenclosed, which do not extend above the level of the entrance floor of the building to a maximum of 30 inches, is not limited as to its projection into front and side yards, provided it is not more than 120 square feet in area. Projections into a required rear yard are subject to the same limitations as a deck.
   (C)   Decks. When larger than 120 square feet or when the deck is constructed higher than 30 inches above finish grade, a wood deck may occupy up to 30% of a required rear yard area, but may not extend any closer than three feet to the rear or side property lines. Except as provided under open porches above, such a deck may not be located in the front setback area.
   (D)   Accessory buildings and structures. Except as provided elsewhere in this title, the following regulations shall apply to the location of accessory buildings:
      (1)   Attached accessory building. Where an accessory building is attached to and made a part of the main building, it shall be made structurally an integral part of, and have a common wall with, the main building and shall comply in all respects with the requirements of this chapter applicable to the main building.
      (2)   Detached accessory buildings. A detached accessory building or structure to be constructed in an R-1, R-2, R-3, or PD zone (unless otherwise provided by an approved precise plan) shall be subject to the following standards:
         (a)   Buildings designed for residential occupancy, or detached accessory structures larger than 1,000 square feet in size or higher than 12 feet shall be located at least ten feet from any dwelling building existing or under construction on the same lot or any adjacent lot. Such accessory building shall conform to the setback requirements for the primary dwelling unit on the lot.
         (b)   Structures not designed for residential occupancy, such as patio covers, gazebos, cabanas, and pool shelters, less than 1,000 square feet in area and less than 12 feet in height, shall be located as follows:
            1.   For structures with walls, at least a three-foot separation from the walled side to any building on the same lot is required. A three-foot separation from any side or rear lot line must be maintained.
            2.   For structures with wall surfaces of less than 10%, no separation is required from other buildings on the same lot, except at windows where three feet must be maintained. A three-foot separation from any side or rear lot line must also be maintained.
            3.   In the case of a corner lot, such structure shall meet the street side yard setback requirements for the primary dwelling unit on the lot.
('61 Code, § 10-3.411) (Ord. 231 N.S., passed - -; Am. Ord. 601 C.S., passed 9-7-93)