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Is Your Building Affected by Local Law 26 in New York City- NYC?


image depicts a fire sprinkler head hanging from a ceiling in an office buiklding

Following the terrorist attacks on September 11, 2001, the authorities in New York City determined that the fire safety measures in place for tall buildings were insufficient to ensure the well-being of occupants. Consequently, a special committee was established to evaluate the situation and propose updates to the building codes, leading to the enactment of Local Law 26 in 2004. This legislation imposed both retrospective and prospective mandates, obligating property owners to evaluate their buildings, implement necessary upgrades, and adhere to specified deadlines.


The retroactive mandates apply universally to existing buildings meeting specific criteria, irrespective of whether they are undergoing renovations. Conversely, the prospective mandates primarily target new constructions and renovation projects in existing structures. Most of the retroactive requirements outlined in LL 26/04 were straightforward and demanded completion within short-term deadlines set for 2006 and 2007. However, one particularly notable requirement, applicable to all buildings over 100 feet tall categorized as business group occupancies, allowed a 15-year grace period for full sprinkler installation, with a deadline set for July 1, 2019. It's noteworthy that at the time of LL26/04's publication, business occupancies were termed Group E, but the designation has since changed to Group B, while Group E now refers to educational facilities.


There are only two circumstances under which a building may be exempted from installing a comprehensive sprinkler system as mandated by Local Law 26 of 2004: Firstly, if a building has been designated as an interior landmark due to its historical significance, and the installation of sprinklers would entail significant alteration to its structure, it may be exempt from LL 26/04. Secondly, some buildings, while not designated as landmarks, may have structural conditions making sprinkler installation impractical, and they too may be eligible for a waiver.


If a building standing at least 100 feet tall undergoes a change in occupancy classification falling under LL 26/04, the installation of sprinklers becomes compulsory, even if not previously required. Furthermore, the 2019 deadline does not apply in such cases; instead, the building must be fully sprinklered upon conversion.


Although the deadline for existing buildings is July 1, 2019, an interim progress report is due by July 1, 2018. However, if the entire project is completed before this interim date, only a final report is required (typically due on July 1, 2019).

In essence, buildings are subject to the retroactive requirement if they meet the following criteria:

  • Height of at least 100 feet.

  • Business occupancy (formerly Group E as of 2004, now Group B). This category encompasses office buildings. The mandates stipulated in Local Law 26 of 2004 encompass both retroactive and prospective requirements, with covered buildings varying based on these criteria. Given the nearing deadline for sprinkler system compliance in 2019, property owners are strongly urged to initiate their projects promptly, considering that a thorough inspection for full sprinkler system compliance in large buildings can be time-intensive.

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