Allied - 340 East 64th Street
Multifamily Housing in New York City, NY · 343 EAST 63 STREET · 10065
At a glance
Allied - 340 East 64th Street is a 527,107-square-foot multifamily housing building at 343 EAST 63 STREET in New York City, New York, built in 1965. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 81.2 kBtu/ft² and 2,862 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 81.2 kBtu/ft² |
| Source EUI | 116.8 kBtu/ft² |
| GHG emissions | 2,862 tCO₂e |
| GHG intensity | 5.4 kgCO₂e/ft² |
| Electricity | 2,781,732 kWh |
| Natural gas | 333,228 therms |
| Water use | 23,919 kgal |
| Gross floor area | 527,107 sq ft |
| Source record | nyc:6811966:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 81.2 kBtu/ft² | 2,862 tCO₂e | |
| 2023 | 38 | +3 | 82.0 kBtu/ft² | 2,721 tCO₂e |
| 2022 | 35 | 90.2 kBtu/ft² | 2,740 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
- 343 EAST 63 STREET
- City
- New York City
- State
- New York
- ZIP
- 10065
- Coordinates
- 40.76252, -73.96108
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Allied - 340 East 64th 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 81.2 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 5.4 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 527,107 sq ft, it is about 422% above the average floor area of 100,951 sq ft for those buildings. It was built in 1965, 13 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 Allied - 340 East 64th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Allied - 340 East 64th Street, covering report years 2022–2024. Its ENERGY STAR score went from 35 in 2022 to 38 in 2023 (+3 points). Site EUI moved from 90.2 kBtu/ft² (2022) to 81.2 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 2,740 tCO₂e to 2,862 tCO₂e over the same span (up 4%).
What does a site EUI of 81.2 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. Allied - 340 East 64th Street's 81.2 kBtu/ft² across 527,107 sq ft works out to about 42.8 billion Btu (12,544 MWh-equivalent) in 2024. Its source EUI of 116.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,781,732 kWh of electricity, 333,228 therms of natural gas and 23,919 thousand gallons of water for the year.
Which law requires Allied - 340 East 64th Street to report its energy use?
Allied - 340 East 64th 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:6811966:2024). 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
- Westview - 595-625 Main Street· 526,933 sq ft · EUI 417.9 kBtu/ft²
- 595 - 625 Main Street· 526,933 sq ft · score 1 (D)
- North Shore Plaza - PARENT· 526,555 sq ft · score 84 (B)
- RY - PARENT - 35-85 Holland Avenue / 35 / 55/ 65 / 85 Holland Avenue· 526,554 sq ft · score 92 (A)
- RY - 35-85 Holland Avenue - CHILD· 526,551 sq ft · score 100 (A)
- WYCKOFF GARDENS· 526,522 sq ft · score 22 (D)
- 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 Allied - 340 East 64th Street's energy grade?
Allied - 340 East 64th Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 81.2 kBtu/ft².
How much energy does Allied - 340 East 64th Street use?
Its 2024 site energy-use intensity was 81.2 kBtu/ft² (116.8 kBtu/ft² source) across 527,107 sq ft, including 2,781,732 kWh of electricity and 333,228 therms of natural gas.
What are Allied - 340 East 64th Street's carbon emissions?
Allied - 340 East 64th Street reported 2,862 tCO₂e of greenhouse-gas emissions (5.4 kgCO₂e/ft²) for 2024.
Where is Allied - 340 East 64th Street?
Allied - 340 East 64th Street is at 343 EAST 63 STREET, in New York City, New York 10065. Its coordinates are 40.76252, -73.96108 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Allied - 340 East 64th Street and when was it built?
Allied - 340 East 64th Street has 527,107 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1965 as its year built. It is classed as multifamily housing.
Is Allied - 340 East 64th 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, “Allied - 340 East 64th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/allied-340-east-64th-street-8654e1ba (data as of October 2, 2026).