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What is NYC ZR § 11-23?

Quick Answer

This section defines the criteria for considering the alteration of an existing building as a development, specifically when more than 75 percent of the floor area and 25 percent of the perimeter walls are removed. The provisions apply except for single- or two-family residences under Article V. Applies to building owners undertaking significant alterations.

General informational summary. Not legal advice for your situation. Consult an attorney before acting on any specific matter.

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§ 11-23 Demolition and Replacement

ZR § 11-23

The alteration of an existing building resulting in both the removal of more than 75 percent of the floor area and more than 25 percent of the perimeter walls of such existing building, and the replacement of any amount of floor area, shall be considered a development for the purposes of the following provisions. The provisions of this Section shall apply notwithstanding the provisions of Article V (Non-Conforming Uses and Non-Complying Buildings). However, these provisions shall not apply where the building to be replaced is a single- or two-family residence utilizing the provisions of Article V.

Section 23-611 (Street tree planting)

Section 23-612 (Planting strips in residence districts)

Section 33-04 (Street Tree Planting in Commercial Districts)

Section 37-35 (Parking Wrap and Screening Requirements)

Section 37-40 (OFF-STREET RELOCATION OR RENOVATION OF A SUBWAY STAIR)

Section 81-42 (Retail Continuity Along Designated Streets)

Section 81-46 (Off-Street Relocation or Renovation of a Subway Stair)

Section 81-72 (Use Regulations Modified)

Section 82-12 (Mandatory Off-Street Relocation of a Subway Stair)

Section 91-43 (Off-street Relocation or Renovation of a Subway Stair)

Section 93-14 (Ground Floor Level Requirements)

Section 93-65 (Transit Facilities)

Section 93-66 (Open Area Requirements in the Large-Scale Plan Subdistrict A)

Section 93-70 (PUBLIC ACCESS REQUIREMENTS FOR SPECIAL SITES)

Section 95-03 (Transit Easement)

Section 95-04 (Certification of Transit Easement Volume)

Section 95-08 (Special Use Regulations)

Section 97-12 (Arts and Entertainment Use Requirement)

Section 98-14 (Ground Floor Use and Transparency Requirements on Tenth Avenue)

Section 98-53 (Required Open Areas on the East Side of the High Line)

Section 98-54 (Transparency Requirements on the East Side of the High Line)

Section 98-60 (SPECIAL REGULATIONS FOR CERTAIN ZONING LOTS)

Section 101-11 (Special Ground Floor Use Regulations)

Section 101-43 (Off-street Relocation or Renovation of a Subway Stair)

Section 108-30 (MODIFICATION OF STREET TREE REQUIREMENTS)

Section 109-33 (Special Front Wall Regulations)

Section 117-42 (Special Bulk and Use Regulations in the Court Square Subdistrict)

Section 117-44 (Mandatory Subway Improvements)

Section 117-45 (Developer's Notice)

Section 117-55 (Mandatory sidewalk widening)

Section 118-30 (OFF-STREET RELOCATION OF A SUBWAY STAIR WITHIN THE SPECIAL UNION SQUARE DISTRICT)

Section 119-112 (Tier I tree planting requirements)

Section 119-216 (Tier II tree planting requirements)

Section 124-30 (MANDATORY IMPROVEMENTS)

Section 124-40 (PUBLICLY ACCESSIBLE OPEN SPACE REQUIREMENTS)

Section 126-21 (Street Tree Planting)

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