(A)   Accessory buildings may be built in a required rear yard within five feet of the rear or side lot line, provided that:
      (1)   70% of the rear yard remains free of any accessory buildings.
      (2)   The total footprint size for accessory buildings on a property added together cannot exceed one-half the footprint of the main building or 750 square feet, whichever is larger.
      (3)   Accessory buildings will maintain a minimum of 12.5 feet separation from a building used as a dwelling.
   (B)   No accessory building, which is not a part of the main building, shall be constructed upon a lot until the construction of 50% or more of the main building has been completed and no accessory building shall be used unless the main building on the lot is also being used.
   (C)   Every part of a required yard shall be open to the sky, unobstructed, except for accessory buildings in a rear yard, and except for the ordinary projections of skylights, sills, belt courses, cornices, and ornamental features projecting not to exceed 18 inches.
   (D)   Open or lattice-enclosed fire escapes, fire-proof outside stairways, and balconies openings upon fire towers projecting into a rear yard not more than five feet, and the ordinary projection of chimneys and flues may be permitted by the Building Commissioner.
   (E)   An open unenclosed porch or paved terrace may project into a front yard for a distance not exceeding ten feet.
   (F)   For the purpose of the side yard regulations, a two-family or a multiple dwelling shall be considered as one building occupying one lot.
   (G)   Where a residence existed on July 7, 1943, and extends into the required front yard, and inset portion of such residence may, nonetheless, be extended to coincide with existing front building line thereof, provided that such inset is less than one-half of the total width of the building front.  Such insets may be reconstructed and structurally altered.
   (H)   There may be more than one main building on a lot used for public, institutional, or commercial purposes provided that required yards be maintained around the group of buildings.
   (I)   Fences may be constructed in yards subject to the following limitations.
      (1)   No fences may be built on corner lots within the triangle formed by points 30 feet from the intersection along the street lines and the intersection.
      (2)   Fences not in excess of four feet in height may be built in the front and side yards provided that they are located no closer than three feet to the street line and have 50% or more open area when measured in a horizontal plane.
      (3)   Fences not in excess of six feet may be built in a rear yard.
      (4)   Fences at least four feet in height with secure gates shall enclose all swimming pools.
      (5)   Open wire mesh fences surrounding tennis courts may be erected to a height of 12 feet but shall enclose only a standard court or courts; shall be at least 12 feet from all lot lines and screened by planting or vines.
      (6)   Fences between residential properties shall be erected with the post side facing inward to the property in which the fence is erected and the finished side of the fence shall face outward.
      (7)   In the D and E Business District, fence regulations shall be the same as residential fence regulations, with the following exceptions; Business District side yard fences may be solid, up to six feet in height and the good side to face as determined in the appropriateness review, which may include a requirement for a two sided fence. The same exceptions also apply to the property line of residential lots abutting (1) the D and E Business Districts or (2) parking lots allowed on residential properties.
   (J)   Existing buildings in violation of yard regulations may be repaired and maintained but may not be replaced or structurally altered.
(Am. Ord. 2006-08, passed 3-6-06; Am. Ord. 2007-22, passed 8-6-07; Am. Ord. 2010-47, passed 12-6-10; Am. Ord. 2010-63, passed 1-10-11)  Penalty, see § 154.99