N.Y. County Law § 236

§ 236. County plumbing licensing. 1. Notwithstanding the provisions of\nthe general city law or any other law to the contrary, the county of\nWestchester is hereby authorized to establish a Westchester county board\nof plumbing examiners and to empower such board to assume all licensing\nduties within the county of Westchester with respect to the licensure of\nplumbers. The county of Westchester shall provide for plumbers' duties\nand responsibilities in accordance with the local law of such county.\n 2. Local laws enacted pursuant to this section shall supercede the\nprovisions of any licensing requirements promulgated by a city pursuant\nto the general city law.\n