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

§ 28-408.1 — Master plumber license required

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 § 28-408.1

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

§ 28-408.1 Master plumber license required.

It shall be unlawful for any person: 1. To perform plumbing work unless such person is a licensed master plumber or working under the direct and continuing supervision of a licensed master plumber except that a city employee who holds a master plumber license may only perform plumbing work on existing buildings in the course of his or her employment. 2. To use the title licensed master plumber, master plumber or any other title in such manner as to convey the impression that such person is a licensed master plumber unless such person is licensed as such in accordance with the provisions of this article. (Am. L.L. 2021/126, 11/7/2021, eff. 11/7/2022) Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2021/126.