The Residence at Hallet's Cove
Multifamily Housing in New York City, NY · 2646 2nd Street · 11102
At a glance
The Residence at Hallet's Cove is a 32,744-square-foot multifamily housing building at 2646 2nd Street in New York City, New York, built in 1949. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 18 out of 100 (grade D), a site energy-use intensity of 87.4 kBtu/ft² and 240 tCO₂e of greenhouse-gas emissions. That score is higher than 11% 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 | 18 (band D) |
| Site EUI | 87.4 kBtu/ft² |
| Source EUI | 167.9 kBtu/ft² |
| GHG emissions | 240 tCO₂e |
| GHG intensity | 7.3 kgCO₂e/ft² |
| Electricity | 417,648 kWh |
| Natural gas | 14,371 therms |
| Water use | 1,685 kgal |
| Gross floor area | 32,744 sq ft |
| Source record | nyc:32593747:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 18 | ±0 | 87.4 kBtu/ft² | 240 tCO₂e |
| 2023 | 18 | 87.5 kBtu/ft² | 229 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
- 2646 2nd Street
- City
- New York City
- State
- New York
- ZIP
- 11102
- Coordinates
- 40.77608, -73.93490
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does The Residence at Hallet's Cove 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. The Residence at Hallet's Cove's ENERGY STAR score of 18 compares with an average of 63 across the 22,829 that report a score; it scores higher than 11% of them and lower than 89%. Its site EUI of 87.4 kBtu/ft² is about 17% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 7.3 kgCO₂e/ft² is about 41% above the group average of 5.2 kgCO₂e/ft².
At 32,744 sq ft, it is about 68% below the average floor area of 100,951 sq ft for those buildings. It was built in 1949, 3 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 Residence at Hallet's Cove's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for The Residence at Hallet's Cove, covering report years 2023–2024. Its ENERGY STAR score was 18 in both 2023 and 2024. Site EUI moved from 87.5 kBtu/ft² (2023) to 87.4 kBtu/ft² (2024), a 0% decrease. Reported emissions went from 229 tCO₂e to 240 tCO₂e over the same span (up 5%).
What does an ENERGY STAR score of 18 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 18 means the building performs better than about 18% of its national peers. BuildingCensus bands the score into report-card grades; 18 falls in band D — lowest band (1–54). It sits 57 points below 75, the threshold for ENERGY STAR certification. 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. The Residence at Hallet's Cove's 87.4 kBtu/ft² across 32,744 sq ft works out to about 2.9 billion Btu (839 MWh-equivalent) in 2024. Its source EUI of 167.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 417,648 kWh of electricity, 14,371 therms of natural gas and 1,685 thousand gallons of water for the year.
Which law requires The Residence at Hallet's Cove to report its energy use?
The Residence at Hallet's Cove 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:32593747:2024). 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
- 54 Greene St· 32,738 sq ft · EUI 46.8 kBtu/ft²
- 196 6th Avenue· 32,738 sq ft · score 28 (D)
- 325 Central Park West· 32,725 sq ft · score 100 (A)
- 325 Central Park West· 32,725 sq ft · score 100 (A)
- 329 West 108th Street· 32,725 sq ft · score 100 (A)
- 12 John Street, NY, NY· 32,721 sq ft · EUI 112.1 kBtu/ft²
- 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 Residence at Hallet's Cove's energy grade?
The Residence at Hallet's Cove scores 18 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does The Residence at Hallet's Cove use?
Its 2024 site energy-use intensity was 87.4 kBtu/ft² (167.9 kBtu/ft² source) across 32,744 sq ft, including 417,648 kWh of electricity and 14,371 therms of natural gas.
What are The Residence at Hallet's Cove's carbon emissions?
The Residence at Hallet's Cove reported 240 tCO₂e of greenhouse-gas emissions (7.3 kgCO₂e/ft²) for 2024.
Where is The Residence at Hallet's Cove?
The Residence at Hallet's Cove is at 2646 2nd Street, in New York City, New York 11102. Its coordinates are 40.77608, -73.93490 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is The Residence at Hallet's Cove and when was it built?
The Residence at Hallet's Cove has 32,744 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1949 as its year built. It is classed as multifamily housing.
Is The Residence at Hallet's Cove 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 Residence at Hallet's Cove, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/the-residence-at-hallet-s-cove-c54ba40b (data as of October 2, 2026).