Area Limitations

NYC Admin. Code tit. 27, ch. 1, subch. 4, art. 6

in effect

NYC Admin. Code § 27-301 Area limitations of buildings.

§ 27-301 Area limitations of buildings. No building or building section shall be constructed or altered so as to exceed the area limits established by tables 4-1 and 4-2 based on the occupancy group classification of the building or building section, except as these may be specifically modified by other provisions of this code.

NYC Admin. Code § 27-302 Area limitations of spaces.

§ 27-302 Area limitations of spaces. No occupancy within a building or building section shall be constructed or altered so as to exceed in total cumulative area the area limits established by tables 4-1 and 4-2, except as these may be specifically modified by other provisions of this code.

NYC Admin. Code § 27-303 Frontage increase.

§ 27-303 Frontage increase. When a building has more than twenty-five per cent of the total perimeter of the building fronting directly upon a street or frontage space, the tabular areas listed in tables 4-1 and 4-2 may be increased 1.33 per cent for each one per cent of such excess frontage.

NYC Admin. Code § 27-304 Existing excessive area.

§ 27-304 Existing excessive area. Any building existing on December sixth, nineteen hundred sixty-eight that exceeds the maximum allowable area permitted under the provisions of this section, may be enlarged if the addition is separated from the existing building by a fire division meeting the requirements of subchapter five of this chapter, and if the additional area does not exceed the limits established by tables 4-1 and 4-2 for the specific occupancy group and construction class.

NYC Admin. Code § 27-305 Height limitations of buildings.

§ 27-305 Height limitations of buildings. No building or building section shall be constructed or altered so as to exceed the height limits established by tables 4-1 and 4-2 based on the occupancy group classification of the building or building section, except as these may be specifically modified by other provisions of this code.

NYC Admin. Code § 27-306 Measurement.

§ 27-306 Measurement. In applying the provisions of this code governing height limits, the following appurtenant structures shall not be included in the height of the building unless the aggregate area of all such structures, exclusive of any solar thermal and solar electric (photovoltaic) collectors and/or panels and their supporting equipment, exceeds thirty-three and one-third percent of the area of the roof of the building upon which they are erected: (a) Roof tanks and their supports. (b) Ventilating, air conditioning, combined heat and power systems, and similar building service equipment. (c) Roof structures, greenhouses, bulkheads, and penthouses. (d) Chimneys. (e) Parapet walls four feet or less in height. Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2011/020.

NYC Admin. Code § 27-306.1 Measurement; solar thermal and solar electric (photovoltaic) collectors and/or panels and their supporting equipment.

§ 27-306.1 Measurement; solar thermal and solar electric (photovoltaic) collectors and/or panels and their supporting equipment. Notwithstanding any inconsistent provision of section 27-306 of this code, solar thermal and solar electric (photovoltaic) collectors and/or panels and their supporting equipment that exceed 33 and one-third percent of the area of the roof of the building upon which they are erected shall not be included in the height of a building or considered an additional story. Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2011/020.

Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-49027Fetched: 10/24/2026