Townhouses - Willoughby Ave
Residence Hall/Dormitory in New York City, NY · 220-234 Willoughby Ave · 11205
At a glance
Townhouses - Willoughby Ave is a 28,048-square-foot residence hall/dormitory at 220-234 Willoughby Ave in New York City, New York, built in 1900. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 62.0 kBtu/ft² and 116 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 62.0 kBtu/ft² |
| Source EUI | 75.4 kBtu/ft² |
| GHG emissions | 116 tCO₂e |
| GHG intensity | 4.1 kgCO₂e/ft² |
| Electricity | 52,500 kWh |
| Natural gas | 9,550 therms |
| Water use | 610 kgal |
| Gross floor area | 28,048 sq ft |
| Source record | nyc:3122409:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 62.0 kBtu/ft² | 116 tCO₂e | |
| 2023 | 63 | -13 | 90.5 kBtu/ft² | 165 tCO₂e |
| 2022 | 76 | 80.7 kBtu/ft² | 146 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
- 220-234 Willoughby Ave
- City
- New York City
- State
- New York
- ZIP
- 11205
- Coordinates
- 40.69221, -73.96267
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Townhouses - Willoughby Ave compare with other residence hall/dormitory buildings in New York City?
The latest disclosures cover 343 residence hall/dormitory buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 62.0 kBtu/ft² is about 22% below the average of 79.6 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.1 kgCO₂e/ft² is about 25% below the group average of 5.5 kgCO₂e/ft².
At 28,048 sq ft, it is about 67% below the average floor area of 85,583 sq ft for those buildings. It was built in 1900, 46 years earlier than the group's average year built (1947). Across all 24 jurisdictions BuildingCensus covers, the 702 residence hall/dormitory buildings average an ENERGY STAR score of 70 and a site EUI of 70.7 kBtu/ft².
How has Townhouses - Willoughby Ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Townhouses - Willoughby Ave, covering report years 2022–2024. Its ENERGY STAR score went from 76 in 2022 to 63 in 2023 (-13 points); its best year on file was 2022, at 76. Site EUI moved from 80.7 kBtu/ft² (2022) to 62.0 kBtu/ft² (2024), a 23% decrease. Reported emissions went from 146 tCO₂e to 116 tCO₂e over the same span (down 21%).
What does a site EUI of 62.0 kBtu/ft² mean?
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. Townhouses - Willoughby Ave's 62.0 kBtu/ft² across 28,048 sq ft works out to about 1.7 billion Btu (510 MWh-equivalent) in 2024. Its source EUI of 75.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 52,500 kWh of electricity, 9,550 therms of natural gas and 610 thousand gallons of water for the year.
Which law requires Townhouses - Willoughby Ave to report its energy use?
Townhouses - Willoughby Ave 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:3122409:2024). 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 residence hall/dormitory buildings in New York City
- 511 West 112 St· 27,534 sq ft · score 100 (A)
- 334 East 79th St NEW· 27,124 sq ft · score 89 (A)
- 100 Grand Ave· 27,053 sq ft · score 79 (B)
- Reid Hall· 26,820 sq ft
- 419 Woodrow Road· 26,526 sq ft · score 92 (A)
- Christian Brothers House of Manhattan College· 25,644 sq ft · score 57 (C)
- Residence Hall/Dormitory buildings in New York City· 343 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 Townhouses - Willoughby Ave's energy grade?
Townhouses - Willoughby Ave did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 62.0 kBtu/ft².
How much energy does Townhouses - Willoughby Ave use?
Its 2024 site energy-use intensity was 62.0 kBtu/ft² (75.4 kBtu/ft² source) across 28,048 sq ft, including 52,500 kWh of electricity and 9,550 therms of natural gas.
What are Townhouses - Willoughby Ave's carbon emissions?
Townhouses - Willoughby Ave reported 116 tCO₂e of greenhouse-gas emissions (4.1 kgCO₂e/ft²) for 2024.
Where is Townhouses - Willoughby Ave?
Townhouses - Willoughby Ave is at 220-234 Willoughby Ave, in New York City, New York 11205. Its coordinates are 40.69221, -73.96267 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Townhouses - Willoughby Ave and when was it built?
Townhouses - Willoughby Ave has 28,048 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1900 as its year built. It is classed as residence hall/dormitory.
Is Townhouses - Willoughby Ave 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, “Townhouses - Willoughby Ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/townhouses-willoughby-ave-3d14e9b0 (data as of October 2, 2026).