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S 10501 NY

Authorizes single stairway residential buildings in a city having a population of one million of more

NY · session 2025-2026 · Senate · bill

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Introduced May 15, 2026

Latest action (May 15, 2026) REFERRED TO HOUSING, CONSTRUCTION AND COMMUNITY DEVELOPMENT

Summary

This New York bill directs the state fire prevention and building code council to develop standards permitting single stairway residential buildings up to six stories or 75 feet in height in cities with a population of one million or more. Single stairway buildings must comply with specific safety requirements including automatic sprinkler systems, fire-resistant structural elements, smoke-proof staircases, emergency responder access, and a maximum of four dwelling units per floor. Such buildings must be allowed in any zoning district permitting multifamily residential use without additional discretionary approval solely due to having one staircase. Municipalities cannot prohibit compliant single stairway buildings but may adopt objective safety or design standards. The building code council must promulgate implementing regulations within 12 months.

AI-generated plain-language summary of the bill text — neutral, and may be imperfect. See the full text below for the exact wording.

Official abstract

Directs the state fire prevention and building code council to develop standards permitting single stairway residential buildings up to six stories or seventy-five feet in height in a city having a population of one million or more.

Sponsor (1)

Action history (1)

  1. May 15, 2026 REFERRED TO HOUSING, CONSTRUCTION AND COMMUNITY DEVELOPMENT · upper

Text versions (2)

The published texts of this bill as it moves through the legislature. Each links to the official document on the state legislature site. Data from OpenStates.

  • S10501 · HTML
  • S10501 · PDF

Full text

Full text imported from assembly.state.ny.us

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New York State Assembly Speaker Carl E. Heastie

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Bill No.: Summary Actions Committee&nbspVotes Floor&nbspVotes Memo Text LFIN Chamber&nbspVideo/Transcript S10501 Summary: BILL NO S10501 &nbsp SAME AS No Same As &nbsp SPONSOR BOTTCHER &nbsp COSPNSR &nbsp MLTSPNSR &nbsp Amd §378, Exec L &nbsp Directs the state fire prevention and building code council to develop standards permitting single stairway residential buildings up to six stories or seventy-five feet in height in a city having a population of one million or more.

Go to top S10501 Text:

STATE OF NEW YORK ________________________________________________________________________

10501

IN SENATE

May 15, 2026 ___________

Introduced by Sen. BOTTCHER -- read twice and ordered printed, and when printed to be committed to the Committee on Housing, Construction and Community Development

AN ACT to amend the executive law, in relation to authorizing single stairway residential buildings in a city having a population of one million or more

The People of the State of New York, represented in Senate and Assem- bly, do enact as follows:

1 Section 1. Legislative findings. The legislature finds that New York 2 state faces a severe housing shortage, particularly for small and moder- 3 ately sized multifamily buildings. 4 Current building codes generally require two means of egress (two 5 stairways) for most residential buildings above three stories, which 6 increases construction costs, limits feasible building types on small 7 and irregular lots, and reduces the number of units that can be built. 8 Jurisdictions including Texas, Colorado, Washington, Germany and Swed- 9 en permit single stairway residential buildings under modern fire safety 10 standards. 11 Evidence shows that single stairway buildings can be constructed safe- 12 ly when paired with fire-resistant construction, automatic sprinkler 13 systems, smoke control and compartmentalization. Allowing single stair- 14 way buildings will enable family-sized apartments, unlock small infill 15 sites, and support contextual, mid-rise housing in urban areas. 16 § 2. Subdivision 20 of section 378 of the executive law, as renumbered 17 by section 3 of part RR of chapter 56 of the laws of 2023, is renumbered 18 subdivision 21 and a new subdivision 20 is added to read as follows: 19 20. Standards permitting single stairway residential buildings up to 20 six stories or seventy-five feet in height, whichever is less in a city 21 having a population of one million or more. Such buildings shall be 22 permitted in any zoning district that allows multi-family residential 23 use and without any additional discretionary approval solely due to 24 having one staircase. 25 a. Single stairway buildings must comply with all of the following:

EXPLANATION--Matter in italics (underscored) is new; matter in brackets [ ] is old law to be omitted. LBD15899-01-6

S. 10501 2

1 (i) an automatic sprinkler or systems must be present and operational 2 throughout the building; 3 (ii) the building must have a fire-resistance rating of not less than 4 two hours for structural elements; 5 (iii) maximum travel distance limits within the building are consist- 6 ent with International Building Code best practices; 7 (iv) the staircase must be smoke-proof or mechanically ventilated; 8 (v) there are no more than four dwelling units per floor; 9 (vi) the building allows adequate emergency responder access, includ- 10 ing fire department access panels or balconies and appropriate window 11 size and placement requirements for access; 12 (vii) the unit layout ensures direct access to the stairway; and 13 (viii) the building contains no excessive dead-end corridors. 14 b. As used in this subdivision, "single stairway residential building" 15 means a residential building that contains one interior enclosed stair- 16 way serving all dwelling units and that meets all safety requirements 17 established under this section. 18 c. No municipality within a city having a population of one million or 19 more may prohibit single-stair residential buildings that comply with 20 this subdivision, or impose additional egress requirements contained in 21 this subdivision. Such municipalities may adopt objective safety or 22 design standards, provided they do not effectively prohibit such build- 23 ings. The New York City Building Code may adopt equivalent or more 24 permissive provisions, but not more restrictive ones. 25 d. Within twelve months of the effective date of this subdivision, the 26 council shall promulgate rules and regulations to implement the 27 provisions of this subdivision. Such rules and regulations shall incor- 28 porate international building code standards and best practices from 29 other U.S. states and European countries. 30 § 3. Severability. If any clause, sentence, paragraph, subdivision, 31 section or part of this act shall be adjudged by any court of competent 32 jurisdiction to be invalid, such judgment shall not affect, impair, or 33 invalidate the remainder thereof, but shall be confined in its operation 34 to the clause, sentence, paragraph, subdivision, section or part thereof 35 directly involved in the controversy in which such judgment shall have 36 been rendered. It is hereby declared to be the intent of the legislature 37 that this act would have been enacted even if such invalid provisions 38 had not been included herein. 39 § 4. This act shall take effect on the one hundred eightieth day after 40 it shall have become a law.

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