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

Interior Environment

NYC Existing Building Code § EBC 814
not yet in effectTakes effect
Sign in to generate a plain English summaryAsk Belisarius Agent
Section EBC 814: Interior Environment 814.1 Ventilation requirements for enlarged bathrooms, toilet rooms, kitchens, and kitchenettes. For bathrooms, toilet rooms, kitchens and kitchenettes undergoing enlargement, natural or mechanical ventilation sized in accordance with the New York City Mechanical Code shall be provided for the proposed floor area. Exceptions: 1. Bathrooms and toilet rooms enlarged to meet the accessibility requirements of the New York City Building Code and that increase the room size by less than 50 percent of the existing floor area shall be permitted to maintain the existing means of ventilation without an increase provided no additional plumbing fixture is being proposed. 2. Kitchens and kitchenettes enlarged to meet the accessibility requirements of the New York City Building Code shall be permitted to maintain the existing means of ventilation without an increase in ventilation size provided no additional cooking appliance load is being proposed.
Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-242219Fetched: 10/24/2026

Starting a business in New York? New York LLC guide: costs and requirements

EBC 814 | Corpus