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What is NYC AC § 24-533?

Quick Answer

This section mandates the commissioner, in collaboration with the Department of Buildings, to publish a map indicating the locations of all green roofs. The map must include details such as occupancy group, roof area, green roof area, water absorption capacity, and designated functions. Applies to building owners with green roofs.

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

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§ 24-533 Green roof map.

AC § 24-533

a. The commissioner, in collaboration with the department of buildings, shall publish on the green infrastructure program map, or on another map on the department’s website, the location of every green roof using the best information available. b. For each green roof indicated on such map, the map shall provide at a minimum, based on the best information available, the following information: 1. The occupancy group of the building or structure; 2. The area of the roof in square feet; 3. The area of the portion of the roof covered by the green roof system in square feet; 4. The estimated amount of water such green roof has the capacity to absorb; and 5. Any functions of the green roof, which may include, but need not be limited to, aesthetic, water retention, recreational, farming, or any other function designated by the department. c. Definitions. For purposes of this section, the term “green roof” means a living vegetative system partially or wholly covering a roof. (L.L. 2023/154, 11/19/2023, eff. 3/18/2024; Am. L.L. 2025/070, 5/24/2025, eff. 5/24/2025)

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