(1) Communication towers as defined in PMC 25.15.050 are permitted in all residential districts for noncommercial purposes, provided:
(a) Such structures and appurtenances shall not be located in the required front yard or in front of the front line of the dwelling or principal building;
(b) Such structures shall not exceed a height of 10 feet within a required side or rear yard;
(c) Such structures shall not exceed a height of 80 feet within the rear yard setback area; and
(d) Not more than one such structure per lot or parcel shall exceed a height of 30 feet.