Buildings and structures shall comply with the following height regulations:
(a) When adjacent to a residential district, permitted buildings may be erected to a height not exceeding one-half (1/2) the width of the side or rear yard where adjoining a single-family residential district, or to a height not exceeding two-thirds (2/3) the width of a side or rear yard where adjoining a multi-family district boundary line.
(b) When adjacent to a non-residential district, the maximum height for principal buildings or structures shall not exceed thirty-five (35) feet.
(c) Spires and other ornamental devices located upon or constituted as an integral part of a principal building may exceed the above restriction, but shall not exceed a height of one hundred (100) feet above finished grade. Other permitted height exceptions are set forth in Chapter 1181, General Use Regulations.
(d) The maximum height of accessory building or structures shall not exceed fifteen (15) feet.