NYC Admin Code › Chapter 2: Housing Maintenance Code › Subchapter 2: Maintenance, Services, and Utilities › Article 11: Protective Devices and Fire Protection
§ 27-2043 Locks in dwelling unit doors
a. The owner of a dwelling shall provide a key lock in the entrance door to each dwelling unit and at least one key. In a class A multiple dwelling such door shall be equipped with a heavy duty latch set and a heavy duty dead bolt operable by a key from the outside and a thumb-turn from the inside.
b. Each dwelling unit entrance door in a class A multiple dwelling shall also be equipped with a chain door guard so as to permit partial opening of the door.
- Source
- NYC Admin Code, as published by American Legal Publishing, the City's official publisher
- Last amended
- No amendment date in the official history
- Checked
- Matched the official code on October 1, 2026
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