1127 WILLOUGHBY AVENUE
Multifamily Housing in New York City, NY · 11237
At a glance
1127 WILLOUGHBY AVENUE is a 31,582-square-foot multifamily housing building in New York City, New York, built in 2017. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 66 out of 100 (grade C), a site energy-use intensity of 51.5 kBtu/ft² and 136 tCO₂e of greenhouse-gas emissions. That score is higher than 46% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 66 (band C) |
| Site EUI | 51.5 kBtu/ft² |
| Source EUI | 98.8 kBtu/ft² |
| GHG emissions | 136 tCO₂e |
| GHG intensity | 4.3 kgCO₂e/ft² |
| Electricity | 236,499 kWh |
| Natural gas | 8,193 therms |
| Gross floor area | 31,582 sq ft |
| Source record | nyc:25746082:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 66 | +4 | 51.5 kBtu/ft² | 136 tCO₂e |
| 2023 | 62 | ±0 | 53.2 kBtu/ft² | 133 tCO₂e |
| 2022 | 62 | 57.4 kBtu/ft² | 123 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
- 1127 WILLOUGHBY AVENUE
- City
- New York City
- State
- New York
- ZIP
- 11237
- Coordinates
- 40.70170, -73.92533
Within ~1 km
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How does 1127 WILLOUGHBY AVENUE compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. 1127 WILLOUGHBY AVENUE's ENERGY STAR score of 66 compares with an average of 63 across the 22,829 that report a score; it scores higher than 46% of them and lower than 52%. Its site EUI of 51.5 kBtu/ft² is about 31% below the average of 74.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.3 kgCO₂e/ft² is about 17% below the group average of 5.2 kgCO₂e/ft².
At 31,582 sq ft, it is about 69% below the average floor area of 100,951 sq ft for those buildings. It was built in 2017, 65 years later than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has 1127 WILLOUGHBY AVENUE's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 1127 WILLOUGHBY AVENUE, covering report years 2022–2024. Its ENERGY STAR score went from 62 in 2022 to 66 in 2024 (+4 points). Site EUI moved from 57.4 kBtu/ft² (2022) to 51.5 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 123 tCO₂e to 136 tCO₂e over the same span (up 11%).
What does an ENERGY STAR score of 66 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 66 means the building performs better than about 66% of its national peers. BuildingCensus bands the score into report-card grades; 66 falls in band C — below median (55–69). It sits 9 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. 1127 WILLOUGHBY AVENUE's 51.5 kBtu/ft² across 31,582 sq ft works out to about 1.6 billion Btu (477 MWh-equivalent) in 2024. Its source EUI of 98.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 236,499 kWh of electricity and 8,193 therms of natural gas for the year.
Which law requires 1127 WILLOUGHBY AVENUE to report its energy use?
1127 WILLOUGHBY AVENUE 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:25746082:2024). 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 multifamily housing buildings in New York City
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- 95-08 65 Road· 31,568 sq ft · score 100 (A)
- SKS: 117 E 77th St· 31,565 sq ft · EUI 103.5 kBtu/ft²
- Multifamily Housing buildings in New York City· 33,022 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 1127 WILLOUGHBY AVENUE's energy grade?
1127 WILLOUGHBY AVENUE scores 66 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 1127 WILLOUGHBY AVENUE use?
Its 2024 site energy-use intensity was 51.5 kBtu/ft² (98.8 kBtu/ft² source) across 31,582 sq ft, including 236,499 kWh of electricity and 8,193 therms of natural gas.
What are 1127 WILLOUGHBY AVENUE's carbon emissions?
1127 WILLOUGHBY AVENUE reported 136 tCO₂e of greenhouse-gas emissions (4.3 kgCO₂e/ft²) for 2024.
Where is 1127 WILLOUGHBY AVENUE?
1127 WILLOUGHBY AVENUE is in New York City, New York 11237. Its coordinates are 40.70170, -73.92533 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 1127 WILLOUGHBY AVENUE and when was it built?
1127 WILLOUGHBY AVENUE has 31,582 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2017 as its year built. It is classed as multifamily housing.
Is 1127 WILLOUGHBY AVENUE 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, “1127 WILLOUGHBY AVENUE, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/1127-willoughby-avenue-12693db8 (data as of October 2, 2026).