23-712 - Floor area modifications LAST AMENDED 12/5/2024 For #zoning lots# in R4 or R5 Districts, without a letter or number suffix, utilizing the #predominantly built-up area# provisions of Section 23-71, inclusive, the maximum #floor area ratio# shall be as set forth in the following table: District Maximum #Floor Area Ratio# R4 1.35 R5 1.65