Resources/Regulations

activeNew York City

Local Law 84

NYC Local Law 84 of 2009 (as amended)

Overview

Applies To

Buildings 25,000 sqft and larger (lowered from 50,000 sqft in 2018)

Building Size Threshold

25,000 sqft

Building Types

Commercial, multifamily residential, municipal

Effective Date

2010

Jurisdiction

New York City

State

New York

Current Status

Fully active since 2010 for large buildings; threshold lowered to 25,000 sqft in 2018. Benchmarking data feeds into LL97 compliance calculations.

Key Deadlines

May 1, 2026

Annual benchmarking report due for 2025 calendar year energy data

Quarterly

$500 penalty assessed each quarter building remains non-compliant (Aug 1, Nov 1, Feb 1)

Penalties & Enforcement

Penalty

Up to $2,000/year

$500 penalty per quarter of non-compliance, up to $2,000 per year for missed benchmarking reports

Compliance Requirements

Annual energy and water benchmarking via ENERGY STAR Portfolio Manager

Share building data with NYC through Portfolio Manager

Verify building is on the Covered Buildings List annually

Data Required

12 months of utility bills (electricity, gas, oil, steam, water)

Building gross floor area

Occupancy and use type classification

Property tax lot (BBL) number

How to Submit

Submission Method

ENERGY STAR Portfolio Manager shared with NYC; penalties paid via DOB NOW: Safety

Submission Format

ENERGY STAR Portfolio Manager online platform

Official Resources

Official New York City Resource

https://www.nyc.gov/site/buildings/codes/ll84-benchmarking-law.page

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