91-21 - Maximum Floor Area Ratio LAST AMENDED 2/2/2011 The basic maximum #floor area ratio# on a #zoning lot# is specified in the table in Section 91-22 (Floor Area Increase Regulations) and may be increased only pursuant to the #floor area# increase and bonus provisions of this Chapter. Notwithstanding the #floor area# increase and bonus provisions of this Chapter, the maximum permitted #floor area ratio# on a #zoning lot# for #residential use# shall be 12.0.