Carnegie East House HDFC Inc.
Senior Living Community in New York City, NY · 1842 2nd Avenue · 10128
At a glance
Carnegie East House HDFC Inc. is a 100,356-square-foot senior living community building at 1842 2nd Avenue in New York City, New York, built in 2000. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 38 out of 100 (grade D), a site energy-use intensity of 86.3 kBtu/ft² and 683 tCO₂e of greenhouse-gas emissions. That score is higher than 29% of the 229 scored senior living community buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 38 (band D) |
| Site EUI | 86.3 kBtu/ft² |
| Source EUI | 153.4 kBtu/ft² |
| GHG emissions | 683 tCO₂e |
| GHG intensity | 6.8 kgCO₂e/ft² |
| Electricity | 1,054,676 kWh |
| Natural gas | 50,650 therms |
| Water use | 3,658 kgal |
| Gross floor area | 100,356 sq ft |
| Source record | nyc:4057533:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 38 | +35 | 86.3 kBtu/ft² | 683 tCO₂e |
| 2023 | 3 | -28 | 122.0 kBtu/ft² | 985 tCO₂e |
| 2022 | 31 | 98.9 kBtu/ft² | 641 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
- 1842 2nd Avenue
- City
- New York City
- State
- New York
- ZIP
- 10128
- Coordinates
- 40.78372, -73.94745
Within ~1 km
Nearby benchmarked buildings
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- Franklin Plaza 1656score 1
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- WASHINGTONscore 30
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- WASHINGTON Bldgs 5-10score —
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See also: most efficient in New York City · biggest emitters
How does Carnegie East House HDFC Inc. compare with other senior living community buildings in New York City?
The latest disclosures cover 296 senior living community buildings in New York City, out of 48,310 buildings citywide. Carnegie East House HDFC Inc.'s ENERGY STAR score of 38 compares with an average of 57 across the 229 that report a score; it scores higher than 29% of them and lower than 70%. Its site EUI of 86.3 kBtu/ft² is about 23% below the average of 112.0 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 6.8 kgCO₂e/ft² is about 20% below the group average of 8.5 kgCO₂e/ft².
At 100,356 sq ft, it is roughly in line with the average floor area of 108,590 sq ft for those buildings. It was built in 2000, 26 years later than the group's average year built (1974). Across all 24 jurisdictions BuildingCensus covers, the 1,181 senior living community buildings average an ENERGY STAR score of 71 and a site EUI of 73.6 kBtu/ft².
How has Carnegie East House HDFC Inc.'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Carnegie East House HDFC Inc., covering report years 2022–2024. Its ENERGY STAR score went from 31 in 2022 to 38 in 2024 (+7 points). Site EUI moved from 98.9 kBtu/ft² (2022) to 86.3 kBtu/ft² (2024), a 13% decrease. Reported emissions went from 641 tCO₂e to 683 tCO₂e over the same span (up 7%).
What does an ENERGY STAR score of 38 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 38 means the building performs better than about 38% of its national peers. BuildingCensus bands the score into report-card grades; 38 falls in band D — lowest band (1–54). It sits 37 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. Carnegie East House HDFC Inc.'s 86.3 kBtu/ft² across 100,356 sq ft works out to about 8.7 billion Btu (2,538 MWh-equivalent) in 2024. Its source EUI of 153.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,054,676 kWh of electricity, 50,650 therms of natural gas and 3,658 thousand gallons of water for the year.
Which law requires Carnegie East House HDFC Inc. to report its energy use?
Carnegie East House HDFC Inc. 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:4057533:2024). 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 senior living community buildings in New York City
- 164-11 Chapin Parkway (Margaret Tietz)· 100,183 sq ft
- 901 Main Street· 100,000 sq ft · score 53 (D)
- 10017 23rd Avenue· 99,990 sq ft · score 57 (C)
- 4418 3rd Avenue· 99,940 sq ft · score 1 (D)
- 380 Henry Street· 99,897 sq ft
- 1622 York Avenue· 99,074 sq ft · score 16 (D)
- Senior Living Community buildings in New York City· 296 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 Carnegie East House HDFC Inc.'s energy grade?
Carnegie East House HDFC Inc. scores 38 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 Carnegie East House HDFC Inc. use?
Its 2024 site energy-use intensity was 86.3 kBtu/ft² (153.4 kBtu/ft² source) across 100,356 sq ft, including 1,054,676 kWh of electricity and 50,650 therms of natural gas.
What are Carnegie East House HDFC Inc.'s carbon emissions?
Carnegie East House HDFC Inc. reported 683 tCO₂e of greenhouse-gas emissions (6.8 kgCO₂e/ft²) for 2024.
Where is Carnegie East House HDFC Inc.?
Carnegie East House HDFC Inc. is at 1842 2nd Avenue, in New York City, New York 10128. Its coordinates are 40.78372, -73.94745 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Carnegie East House HDFC Inc. and when was it built?
Carnegie East House HDFC Inc. has 100,356 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2000 as its year built. It is classed as senior living community.
Is Carnegie East House HDFC Inc. 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, “Carnegie East House HDFC Inc., New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/carnegie-east-house-hdfc-inc-de2c458a (data as of October 2, 2026).