3845 Carpenter Avenue
Senior Living Community in New York City, NY · 10467
At a glance
3845 Carpenter Avenue is a 65,625-square-foot senior living community building in New York City, New York, built in 1970. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 2 out of 100 (grade D), a site energy-use intensity of 240.4 kBtu/ft² and 1,061 tCO₂e of greenhouse-gas emissions. That score is higher than 4% 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 | 2 (band D) |
| Site EUI | 240.4 kBtu/ft² |
| Source EUI | 348.0 kBtu/ft² |
| GHG emissions | 1,061 tCO₂e |
| GHG intensity | 16.2 kgCO₂e/ft² |
| Electricity | 1,050,185 kWh |
| Natural gas | 121,652 therms |
| Gross floor area | 65,625 sq ft |
| Source record | nyc:3394191:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 2 | 240.4 kBtu/ft² | 1,061 tCO₂e | |
| 2023 | — | 235.8 kBtu/ft² | 1,008 tCO₂e | |
| 2022 | — | 258.5 kBtu/ft² | 1,016 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
- 3845 Carpenter Avenue
- City
- New York City
- State
- New York
- ZIP
- 10467
- Coordinates
- 40.88572, -73.86500
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 3845 Carpenter Avenue 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. 3845 Carpenter Avenue's ENERGY STAR score of 2 compares with an average of 57 across the 229 that report a score; it scores higher than 4% of them and lower than 94%. Its site EUI of 240.4 kBtu/ft² is about twice the average of 112.0 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 16.2 kgCO₂e/ft² is about twice the group average of 8.5 kgCO₂e/ft².
At 65,625 sq ft, it is about 40% below the average floor area of 108,590 sq ft for those buildings. It was built in 1970, 4 years earlier 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 3845 Carpenter Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 3845 Carpenter Avenue, covering report years 2022–2024. Site EUI moved from 258.5 kBtu/ft² (2022) to 240.4 kBtu/ft² (2024), a 7% decrease. Reported emissions went from 1,016 tCO₂e to 1,061 tCO₂e over the same span (up 4%).
What does an ENERGY STAR score of 2 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 2 means the building performs better than about 2% of its national peers. BuildingCensus bands the score into report-card grades; 2 falls in band D — lowest band (1–54). It sits 73 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. 3845 Carpenter Avenue's 240.4 kBtu/ft² across 65,625 sq ft works out to about 15.8 billion Btu (4,624 MWh-equivalent) in 2024. Its source EUI of 348.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,050,185 kWh of electricity and 121,652 therms of natural gas for the year.
Which law requires 3845 Carpenter Avenue to report its energy use?
3845 Carpenter Avenue 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:3394191:2024). 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
- Stanan: 150 Brielle Ave· 65,612 sq ft · score 97 (A)
- Goldcrest Care Center· 65,222 sq ft · score 40 (D)
- 405 44 STREET· 65,048 sq ft · score 8 (D)
- 63293-Sunrise of Staten Island· 63,263 sq ft · score 83 (B)
- 5605 2 AVENUE· 63,000 sq ft · score 19 (D)
- 936 Woodycrest Avenue· 63,000 sq ft · score 80 (B)
- 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 3845 Carpenter Avenue's energy grade?
3845 Carpenter Avenue scores 2 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 3845 Carpenter Avenue use?
Its 2024 site energy-use intensity was 240.4 kBtu/ft² (348.0 kBtu/ft² source) across 65,625 sq ft, including 1,050,185 kWh of electricity and 121,652 therms of natural gas.
What are 3845 Carpenter Avenue's carbon emissions?
3845 Carpenter Avenue reported 1,061 tCO₂e of greenhouse-gas emissions (16.2 kgCO₂e/ft²) for 2024.
Where is 3845 Carpenter Avenue?
3845 Carpenter Avenue is in New York City, New York 10467. Its coordinates are 40.88572, -73.86500 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 3845 Carpenter Avenue and when was it built?
3845 Carpenter Avenue has 65,625 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1970 as its year built. It is classed as senior living community.
Is 3845 Carpenter Avenue 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, “3845 Carpenter Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/3845-carpenter-avenue-807521a4 (data as of October 2, 2026).