81 WILLOUGHBY, LLC
Office in New York City, NY · 81 Willoughby Street · 11201
At a glance
81 WILLOUGHBY, LLC is a 73,860-square-foot office building at 81 Willoughby Street in New York City, New York, built in 1900. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 63 out of 100 (grade C), a site energy-use intensity of 54.5 kBtu/ft² and 373 tCO₂e of greenhouse-gas emissions. That score is higher than 27% of the 2,519 scored office buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 63 (band C) |
| Site EUI | 54.5 kBtu/ft² |
| Source EUI | 118.1 kBtu/ft² |
| GHG emissions | 373 tCO₂e |
| GHG intensity | 5.0 kgCO₂e/ft² |
| Electricity | 752,434 kWh |
| Natural gas | 14,587 therms |
| Water use | 1,894 kgal |
| Gross floor area | 73,860 sq ft |
| Source record | nyc:6610238:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 63 | +5 | 54.5 kBtu/ft² | 373 tCO₂e |
| 2023 | 58 | -1 | 53.9 kBtu/ft² | 373 tCO₂e |
| 2022 | 59 | 57.7 kBtu/ft² | 316 tCO₂e |
Compliance context
Local Law 84 (LL84)
Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 81 Willoughby Street
- City
- New York City
- State
- New York
- ZIP
- 11201
- Coordinates
- 40.69218, -73.98575
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 81 WILLOUGHBY, LLC compare with other office buildings in New York City?
The latest disclosures cover 3,384 office buildings in New York City, out of 48,310 buildings citywide. 81 WILLOUGHBY, LLC's ENERGY STAR score of 63 compares with an average of 72 across the 2,519 that report a score; it scores higher than 27% of them and lower than 73%. Its site EUI of 54.5 kBtu/ft² is about 16% below the average of 64.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.0 kgCO₂e/ft² is about 13% below the group average of 5.8 kgCO₂e/ft².
At 73,860 sq ft, it is about 64% below the average floor area of 205,440 sq ft for those buildings. It was built in 1900, 40 years earlier than the group's average year built (1940). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 81 WILLOUGHBY, LLC's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 81 WILLOUGHBY, LLC, covering report years 2022–2024. Its ENERGY STAR score went from 59 in 2022 to 63 in 2024 (+4 points). Site EUI moved from 57.7 kBtu/ft² (2022) to 54.5 kBtu/ft² (2024), a 6% decrease. Reported emissions went from 316 tCO₂e to 373 tCO₂e over the same span (up 18%).
What does an ENERGY STAR score of 63 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 63 means the building performs better than about 63% of its national peers. BuildingCensus bands the score into report-card grades; 63 falls in band C — below median (55–69). It sits 12 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% of scored buildings are at 75 or above.
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. 81 WILLOUGHBY, LLC's 54.5 kBtu/ft² across 73,860 sq ft works out to about 4 billion Btu (1,180 MWh-equivalent) in 2024. Its source EUI of 118.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 752,434 kWh of electricity, 14,587 therms of natural gas and 1,894 thousand gallons of water for the year.
Which law requires 81 WILLOUGHBY, LLC to report its energy use?
81 WILLOUGHBY, LLC reports under Local Law 84 (LL84), the legal basis of New York City's Energy and Water Data Disclosure program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record nyc:6610238:2024). Under Local Law 97, buildings over 25,000 sq ft face carbon caps with fines of $268 per metric ton of CO₂e over the limit, phasing in from 2024.
More office buildings in New York City
- Madruga - 2530 Grand Concourse· 73,724 sq ft · score 100 (A)
- Triangle: 163-18 Jamaica Ave.· 73,702 sq ft · EUI 39.2 kBtu/ft²
- 59-73 West Street· 73,610 sq ft · score 61 (C)
- 681 5th Avenue· 73,349 sq ft · score 60 (C)
- 60 WEST STREET· 73,280 sq ft
- 1710 Whitestone Office· 73,196 sq ft · EUI 74.7 kBtu/ft²
- Office buildings in New York City· 3,384 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
- Most efficient large buildings in New York City
- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is 81 WILLOUGHBY, LLC's energy grade?
81 WILLOUGHBY, LLC scores 63 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 81 WILLOUGHBY, LLC use?
Its 2024 site energy-use intensity was 54.5 kBtu/ft² (118.1 kBtu/ft² source) across 73,860 sq ft, including 752,434 kWh of electricity and 14,587 therms of natural gas.
What are 81 WILLOUGHBY, LLC's carbon emissions?
81 WILLOUGHBY, LLC reported 373 tCO₂e of greenhouse-gas emissions (5.0 kgCO₂e/ft²) for 2024.
Where is 81 WILLOUGHBY, LLC?
81 WILLOUGHBY, LLC is at 81 Willoughby Street, in New York City, New York 11201. Its coordinates are 40.69218, -73.98575 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 81 WILLOUGHBY, LLC and when was it built?
81 WILLOUGHBY, LLC has 73,860 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1900 as its year built. It is classed as office.
Is 81 WILLOUGHBY, LLC covered by Local Law 84 (LL84)?
Yes — it appears in the 2024 Energy and Water Data Disclosure disclosure, which lists the buildings reporting under Local Law 84 (LL84).
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About this data
Source: Energy and Water Data Disclosure (Local Law 84 (LL84)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “81 WILLOUGHBY, LLC, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/81-willoughby-llc-a7225c99 (data as of October 2, 2026).