LL97 Benchmark

The Bronx buildings: energy benchmarks and Local Law 97 exposure by property type

4,745 buildings in The Bronx of 25,000 sf or more filed LL84 benchmarking for 2024. Median ENERGY STAR score 64.0, site EUI 76.7 kBtu/sf, GHG intensity 5.3 kgCO2e/sf, median year built 1,932.

Source: NYC Open Data, LL84 Building Energy and Water Data Disclosure (public domain), 2024 LL84 filings, buildings of 25,000 sf or more, one row per tax lot. Property type, floor area and emissions are self-reported by the filer; medians over buildings reporting the field. Limits: emissions factors in 1 RCNY 103-14; penalty rate USD 268 per tCO2e from the LL97 page. Data as of 2026-11-03.

Medians here (bar) vs all 24,899 NYC buildings in the set (mark):

ENERGY STAR score
64.0 vs 69.0
Site EUI (kBtu/sf)
76.7 vs 69.2
GHG intensity (kgCO2e/sf)
5.3 vs 5.0

By property type in The Bronx

Types with 10 or more filings in the borough; each page has the full table, bars and the limit arithmetic.

TypeBuildingsENERGY STAR medianSite EUI medianGHG kg/sf medianOver 2024-29Over 2030-34
Multifamily Housing3,73864.079.65.322.2%86.9%
K-12 School30667.061.84.914.0%97.3%
Office8371.060.35.523.5%90.1%
Non-Refrigerated Warehouse6561.031.92.821.7%85.0%
Self-Storage Facility54—11.01.19.4%73.6%
Manufacturing/Industrial Plant47—42.43.620.0%86.7%
Senior Living Community4052.5118.48.826.3%94.7%
Parking3891.05.70.610.3%86.2%
Retail Store3567.061.86.029.4%94.1%
Other - Lodging/Residential25—80.26.245.8%100.0%
Residential Care Facility2529.092.47.622.7%86.4%
Medical Office2182.076.07.015.0%85.0%
Hotel2050.080.56.30.0%95.0%
Mixed Use Property1937.0103.28.6——
Pre-school/Daycare18—38.14.122.2%94.4%
College/University17—66.56.37.1%92.9%
Vehicle Repair Services16—88.66.5——
Distribution Center1555.546.94.330.8%76.9%
Hospital (General Medical & Surgical)1285.0148.814.218.2%72.7%
Residence Hall/Dormitory1257.095.26.841.7%91.7%
Strip Mall12—120.910.541.7%100.0%
Worship Facility1261.540.73.136.4%100.0%

Paid report

USD 39 one-time: a building in The Bronx vs the 10 nearest-size peers of the same type (borough first, citywide when the borough has fewer than 10), percentiles in the full pool, 2022-2024 trend, both LL97 limits and the arithmetic exposure. Checkout opens shortly; the free lookup and pages work meanwhile.

Other boroughs

Manhattan (9,245) · Brooklyn (6,302) · Queens (4,186) · Staten Island (421)