128 Willow Apartment Corp.
Multifamily Housing in New York City, NY · 128 Willow Street · 11201
At a glance
128 Willow Apartment Corp. is a 49,791-square-foot multifamily housing building at 128 Willow Street in New York City, New York, built in 1925. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 85 out of 100 (grade A), a site energy-use intensity of 68.5 kBtu/ft² and 277 tCO₂e of greenhouse-gas emissions. That score is higher than 70% 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 | 85 (band A) |
| Site EUI | 68.5 kBtu/ft² |
| Source EUI | 89.2 kBtu/ft² |
| GHG emissions | 277 tCO₂e |
| GHG intensity | 5.6 kgCO₂e/ft² |
| Electricity | 162,722 kWh |
| Natural gas | 665 therms |
| Gross floor area | 49,791 sq ft |
| Source record | nyc:20476072:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 85 | +7 | 68.5 kBtu/ft² | 277 tCO₂e |
| 2023 | 78 | +13 | 74.4 kBtu/ft² | 283 tCO₂e |
| 2022 | 65 | 89.5 kBtu/ft² | 323 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
- 128 Willow Street
- City
- New York City
- State
- New York
- ZIP
- 11201
- Coordinates
- 40.69715, -73.99593
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 128 Willow Apartment Corp. 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. 128 Willow Apartment Corp.'s ENERGY STAR score of 85 compares with an average of 63 across the 22,829 that report a score; it scores higher than 70% of them and lower than 29%. Its site EUI of 68.5 kBtu/ft² is roughly in line with 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 5.6 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 49,791 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 1925, 27 years earlier 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 128 Willow Apartment Corp.'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 128 Willow Apartment Corp., covering report years 2022–2024. Its ENERGY STAR score went from 65 in 2022 to 85 in 2024 (+20 points). Site EUI moved from 89.5 kBtu/ft² (2022) to 68.5 kBtu/ft² (2024), a 23% decrease. Reported emissions went from 323 tCO₂e to 277 tCO₂e over the same span (down 14%).
What does an ENERGY STAR score of 85 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 85 means the building performs better than about 85% of its national peers. BuildingCensus bands the score into report-card grades; 85 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. 128 Willow Apartment Corp.'s 68.5 kBtu/ft² across 49,791 sq ft works out to about 3.4 billion Btu (1,000 MWh-equivalent) in 2024. Its source EUI of 89.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 162,722 kWh of electricity and 665 therms of natural gas for the year.
Which law requires 128 Willow Apartment Corp. to report its energy use?
128 Willow Apartment Corp. 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:20476072:2024). 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.
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Frequently asked questions
What is 128 Willow Apartment Corp.'s energy grade?
128 Willow Apartment Corp. scores 85 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 128 Willow Apartment Corp. use?
Its 2024 site energy-use intensity was 68.5 kBtu/ft² (89.2 kBtu/ft² source) across 49,791 sq ft, including 162,722 kWh of electricity and 665 therms of natural gas.
What are 128 Willow Apartment Corp.'s carbon emissions?
128 Willow Apartment Corp. reported 277 tCO₂e of greenhouse-gas emissions (5.6 kgCO₂e/ft²) for 2024.
Where is 128 Willow Apartment Corp.?
128 Willow Apartment Corp. is at 128 Willow Street, in New York City, New York 11201. Its coordinates are 40.69715, -73.99593 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 128 Willow Apartment Corp. and when was it built?
128 Willow Apartment Corp. has 49,791 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1925 as its year built. It is classed as multifamily housing.
Is 128 Willow Apartment Corp. 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, “128 Willow Apartment Corp., New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/128-willow-apartment-corp-7c1b0848 (data as of October 2, 2026).