Height and setback regulations are set forth in Section 23-42, inclusive, for R1 through R5 Districts and Section 23-43, inclusive, for R6 through R12 Districts. Special rules governing certain areas are set forth in Section 23-44. Permitted obstructions to maximum heights are set forth in Section 23-41.  

For zoning lots with buildings containing multiple uses or multiple buildings with different uses, inclusive of residences, subject to different height and setback regulations for the applicable district, the applicable height and setback regulations shall be whichever regulations permit the tallest overall heights.