54-53 - Residential Retrofits LAST AMENDED 12/5/2024 Notwithstanding the other provisions of this Chapter, in all districts, for #buildings# where 75 percent or more of the existing floor space is allocated to #residential uses#, an #enlargement#, #extension#, #conversion#, change of #use# or other alteration to such #building# may create a new #non-compliance# or increase the degree of a #non-compliance#, provided that: (a) increases to existing #non-compliances#, or the creation of new #non-compliances#, with regard to maximum #residential# #floor area ratio# shall be limited in size to floor space existing with the volume of a #building or other structure# on the #zoning lot#. For #multiple dwelling residences#, such allowance shall be limited to #buildings# existing on December 5, 2024; (b) increases to existing #non-compliances# with regard to required #open space#, #yards#, #rear yard equivalents#, or #courts#, as applicable, shall not diminish the area of the existing open area by more than 20 percent and no further encroachment to a #non-complying# #yard# shall be closer to a #lot line# than an existing #building# on the #zoning lot#; and (c) increases to existing #non-compliances#, or the creation of new #non-compliances#, with regard to the permitted height and setback of a #building or other structure#, or the height of a permitted obstruction, shall be limited to one #story# or 15 feet, whichever is less. Allowances for permitted obstructions may be applied to an existing #building#, including as modified pursuant to the provisions of this Section. Zoning Resolution THE CITY OF NEW YORK CITY PLANNING COMMISSION Eric Adams, Mayor Daniel R. Garodnick, Chair Article VI - Special Regulations Applicable to Certain Areas File generated by https://zr.planning.nyc.gov on 1/31/2025 Zoning Resolution THE CITY OF NEW YORK CITY PLANNING COMMISSION Eric Adams, Mayor Daniel R. Garodnick, Chair Chapter 1 - Special Regulations Applying Around Major Airports File generated by https://zr.planning.nyc.gov on 1/31/2025 Chapter 1 - Special Regulations Applying Around Major Airports