Year: 2025
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NYC Extends Deadlines for LL84, LL88, and LL97: What to Know
In a major update for building owners across New York City, the Department of Buildings (DOB) has officially extended the compliance deadlines for three critical local laws: LL84 (Benchmarking), LL88 (Lighting & Sub-Metering), and LL97 (Carbon Emissions Limits). These extensions provide much-needed flexibility as the city continues its push toward a more sustainable building stock—without…
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Local Law 84: Benchmarking- Reporting Energy & Water Use
Updated for 2025 — New York City’s Local Law 84 (LL84) requires qualifying building owners to annually measure and report energy and water usage. As part of the city’s long-term sustainability goals, this process—known as benchmarking—is critical for tracking building performance and promoting energy efficiency across the five boroughs. The 2025 LL84 deadline has been…
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Local Law 85: NYC Energy Conservation Code (NYCECC)
Updated for 2025 — Local Law 85 (LL85), also known as the New York City Energy Conservation Code (NYCECC) Law, requires all buildings undergoing renovation, alteration, or new construction to comply with the latest local energy code standards. As part of the city’s Greener, Greater Buildings Plan, LL85 ensures that every permitted construction project actively…
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Local Law 87: Energy Audits & Retro-Commissioning
Updated for 2025 — Local Law 87 (LL87) requires large buildings in New York City to undergo periodic energy audits and retro-commissioning to evaluate and improve the performance of base building systems. Passed as part of the Greener, Greater Buildings Plan, LL87 is a foundational policy for reducing energy waste and aligning older properties with…
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Local Law 88: Lighting Upgrades & Sub-Metering
Updated for 2025 — Local Law 88 (LL88) is a key part of New York City’s Greener, Greater Buildings Plan. It mandates two primary upgrades for qualifying buildings: Both requirements aim to reduce energy consumption and increase transparency in commercial buildings. The deadline for compliance has been extended, but property owners should act now to…
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Local Law 33: Energy Efficiency Scores & Grade
Updated for 2025 — Local Law 33 (LL33) requires large buildings in New York City to publicly display an energy efficiency grade each year. This grade, based on data submitted through Local Law 84 (LL84) benchmarking, provides tenants, prospective buyers, and the public with a simple A–F rating that reflects the building’s energy performance. Grades…
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Local Law 133: Expanding Required Building List
Updated for 2025 — Local Law 133 (LL133) significantly expanded New York City’s benchmarking requirements by lowering the square footage threshold for compliance. As of 2020, LL133 requires buildings 25,000 square feet or larger to track and report their energy and water usage annually through the same system used for Local Law 84 (LL84). This…
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Local Law 95: Energy Efficiency Grade
Updated for 2025 — Local Law 95 (LL95) was enacted to support the implementation of Local Law 33 (LL33), which requires large buildings in New York City to post annual energy efficiency grades. LL95 establishes how these energy labels must look, where they must be displayed, and the consequences of failing to comply. In 2025,…
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Local Law 97: Greenhouse Gas Emissions Limits
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Benchmarking.NYC 