124 East 84th St. Corp
Multifamily Housing in New York City, NY · 124 East 84th Street · 10028
At a glance
124 East 84th St. Corp is a 57,706-square-foot multifamily housing building at 124 East 84th Street in New York City, New York, built in 1924. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 50.7 kBtu/ft² and 247 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 50.7 kBtu/ft² |
| Source EUI | 74.9 kBtu/ft² |
| GHG emissions | 247 tCO₂e |
| GHG intensity | 4.3 kgCO₂e/ft² |
| Electricity | 223,404 kWh |
| Natural gas | 680 therms |
| Water use | 1,645 kgal |
| Gross floor area | 57,706 sq ft |
| Source record | nyc:4852156:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 50.7 kBtu/ft² | 247 tCO₂e | |
| 2023 | 86 | +16 | 55.1 kBtu/ft² | 240 tCO₂e |
| 2022 | 70 | 73.4 kBtu/ft² | 290 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
- 124 East 84th Street
- City
- New York City
- State
- New York
- ZIP
- 10028
- Coordinates
- 40.77840, -73.95709
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 124 East 84th St. 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. Its site EUI of 50.7 kBtu/ft² is about 32% 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 18% below the group average of 5.2 kgCO₂e/ft².
At 57,706 sq ft, it is about 43% below the average floor area of 100,951 sq ft for those buildings. It was built in 1924, 28 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 124 East 84th St. Corp's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 124 East 84th St. Corp, covering report years 2022–2024. Its ENERGY STAR score went from 70 in 2022 to 86 in 2023 (+16 points). Site EUI moved from 73.4 kBtu/ft² (2022) to 50.7 kBtu/ft² (2024), a 31% decrease. Reported emissions went from 290 tCO₂e to 247 tCO₂e over the same span (down 15%).
What does a site EUI of 50.7 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. 124 East 84th St. Corp's 50.7 kBtu/ft² across 57,706 sq ft works out to about 2.9 billion Btu (857 MWh-equivalent) in 2024. Its source EUI of 74.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 223,404 kWh of electricity, 680 therms of natural gas and 1,645 thousand gallons of water for the year.
Which law requires 124 East 84th St. Corp to report its energy use?
124 East 84th St. 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:4852156:2024). 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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- 414-24 W 48th St. Redevelopment Co, LP· 57,700 sq ft · score 59 (C)
- 209 Lincoln Place· 57,700 sq ft · score 70 (B)
- CC - 425 Claremont Parkway· 57,700 sq ft
- Deljanin - 147-05 Sanford· 57,696 sq ft · score 80 (B)
- 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 124 East 84th St. Corp's energy grade?
124 East 84th St. Corp did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 50.7 kBtu/ft².
How much energy does 124 East 84th St. Corp use?
Its 2024 site energy-use intensity was 50.7 kBtu/ft² (74.9 kBtu/ft² source) across 57,706 sq ft, including 223,404 kWh of electricity and 680 therms of natural gas.
What are 124 East 84th St. Corp's carbon emissions?
124 East 84th St. Corp reported 247 tCO₂e of greenhouse-gas emissions (4.3 kgCO₂e/ft²) for 2024.
Where is 124 East 84th St. Corp?
124 East 84th St. Corp is at 124 East 84th Street, in New York City, New York 10028. Its coordinates are 40.77840, -73.95709 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 124 East 84th St. Corp and when was it built?
124 East 84th St. Corp has 57,706 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1924 as its year built. It is classed as multifamily housing.
Is 124 East 84th St. 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, “124 East 84th St. Corp, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/124-east-84th-st-corp-cca4cd60 (data as of October 2, 2026).