For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.
Form a Business

§ 27-2043 — Locks in dwelling unit doors

New York City Administrative Code (current through L.L. 2026/147, enacted September 12, 2026, and amendments effective through October 10, 2026) · NYC Admin. Code § 27-2043

Corpus is an independent public-information project, not the official City of New York website. Stable reference URL

§ 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.