Group dwellings shall be considered as one building for the purpose of front, side and rear yard requirements, the entire group as a unit requiring one front, one rear and two side yards as specified for dwelling structures. The minimum distance between structures shall be ten (10) feet for single-story buildings, fifteen (15) feet for two-story buildings and twenty (20) feet for three or more story buildings.

(ZO § 11-1)

A group dwelling complex must be developed as a PRUD if the area of the complex is equal to or exceeds the minimum area requirements for a PRUD as specified in Chapter 17.92.

(ZO § 11-2)

All group dwellings with twenty-five (25) or more dwelling units are considered as a conditional use and as such must comply with the provisions of Chapter 17.88.

(ZO § 11-3)