23-422 - Basic flat-roof envelopes for certain districts LAST AMENDED 12/5/2024 R3-2 R4 R4B R5 R5B R5D R3-2 R4 R4B R5 R5B R5D In the districts indicated, the height and setback regulations for #buildings or other structures# shall be set forth in this Section. R3-2 R4 (a) In the districts indicated, for #residences# not subject to the provisions of Section 23-421, the maximum #building# height shall be 35 feet. R4B (b) In the district indicated, the maximum #building# height shall be 25 feet. R5B (c) In the district indicated, the maximum #building# height shall be 35 feet. R5 (d) In the district indicated, except R5 Districts with a letter suffix, the maximum base height shall be 35 feet, and the maximum #building# height shall be 45 feet. At a height not higher than the maximum base height, a setback shall be provided in accordance with Section 23-423. R5D (e) In the district indicated, the maximum #building# height shall be 45 feet.