Every part of a required yard shall be open to the sky and unobstructed except for permitted accessory buildings and except for ordinary and customary projection of sills, belt courses, cornices, eaves, bay windows and fireplace keys not wider than eight feet (8'), and other ornamental features and unenclosed steps and unwalled stoops, and porches, which may project up to three feet (3') into a required yard. No portion of any building shall be closer than three feet (3') to any property line. (Ord. 01-4-10-7, 4-10-2001, eff. 4-10-2001)