The Legacy Condominium (157 E. 84th Street)
Multifamily Housing in New York City, NY · 157 E. 84th Street · 10021
At a glance
The Legacy Condominium (157 E. 84th Street) is a 35,721-square-foot multifamily housing building in New York City, New York, built in 1925. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 39.3 kBtu/ft² and 113 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 39.3 kBtu/ft² |
| Source EUI | 71.7 kBtu/ft² |
| GHG emissions | 113 tCO₂e |
| GHG intensity | 3.2 kgCO₂e/ft² |
| Electricity | 182,076 kWh |
| Natural gas | 7,827 therms |
| Water use | 292 kgal |
| Gross floor area | 35,721 sq ft |
| Source record | nyc:20413918:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 39.3 kBtu/ft² | 113 tCO₂e | |
| 2023 | — | 43.8 kBtu/ft² | 124 tCO₂e | |
| 2022 | — | 50.2 kBtu/ft² | 120 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
- 157 E. 84th Street
- City
- New York City
- State
- New York
- ZIP
- 10021
- Coordinates
- 40.77796, -73.95599
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does The Legacy Condominium (157 E. 84th Street) 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. Its site EUI of 39.3 kBtu/ft² is about half of 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 3.2 kgCO₂e/ft² is about 39% below the group average of 5.2 kgCO₂e/ft².
At 35,721 sq ft, it is about 65% below 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 The Legacy Condominium (157 E. 84th Street)'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for The Legacy Condominium (157 E. 84th Street), covering report years 2022–2024. Site EUI moved from 50.2 kBtu/ft² (2022) to 39.3 kBtu/ft² (2024), a 22% decrease. Reported emissions went from 120 tCO₂e to 113 tCO₂e over the same span (down 6%).
What does a site EUI of 39.3 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. The Legacy Condominium (157 E. 84th Street)'s 39.3 kBtu/ft² across 35,721 sq ft works out to about 1.4 billion Btu (411 MWh-equivalent) in 2024. Its source EUI of 71.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 182,076 kWh of electricity, 7,827 therms of natural gas and 292 thousand gallons of water for the year.
Which law requires The Legacy Condominium (157 E. 84th Street) to report its energy use?
The Legacy Condominium (157 E. 84th Street) 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:20413918:2024). 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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- 803 EAST 182nd STREET HDFC· 35,715 sq ft · score 23 (D)
- Sunset Court Association· 35,712 sq ft · score 90 (A)
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- 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 The Legacy Condominium (157 E. 84th Street)'s energy grade?
The Legacy Condominium (157 E. 84th Street) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 39.3 kBtu/ft².
How much energy does The Legacy Condominium (157 E. 84th Street) use?
Its 2024 site energy-use intensity was 39.3 kBtu/ft² (71.7 kBtu/ft² source) across 35,721 sq ft, including 182,076 kWh of electricity and 7,827 therms of natural gas.
What are The Legacy Condominium (157 E. 84th Street)'s carbon emissions?
The Legacy Condominium (157 E. 84th Street) reported 113 tCO₂e of greenhouse-gas emissions (3.2 kgCO₂e/ft²) for 2024.
Where is The Legacy Condominium (157 E. 84th Street)?
The Legacy Condominium (157 E. 84th Street) is in New York City, New York 10021. Its coordinates are 40.77796, -73.95599 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is The Legacy Condominium (157 E. 84th Street) and when was it built?
The Legacy Condominium (157 E. 84th Street) has 35,721 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 The Legacy Condominium (157 E. 84th Street) 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, “The Legacy Condominium (157 E. 84th Street), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/the-legacy-condominium-157-e-84th-street-ef9f80d7 (data as of October 2, 2026).