660 Hegeman Avenue
Multifamily Housing in New York City, NY · 660 HEGEMAN AVE · 11207
At a glance
660 Hegeman Avenue is a 36,000-square-foot multifamily housing building at 660 HEGEMAN AVE in New York City, New York, built in 1930. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 71 out of 100 (grade B), a site energy-use intensity of 61.5 kBtu/ft² and 146 tCO₂e of greenhouse-gas emissions. That score is higher than 52% 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 | 71 (band B) |
| Site EUI | 61.5 kBtu/ft² |
| Source EUI | 86.7 kBtu/ft² |
| GHG emissions | 146 tCO₂e |
| GHG intensity | 4.0 kgCO₂e/ft² |
| Electricity | 133,858 kWh |
| Natural gas | 17,560 therms |
| Water use | 5,375 kgal |
| Gross floor area | 36,000 sq ft |
| Source record | nyc:6261020:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 71 | +29 | 61.5 kBtu/ft² | 146 tCO₂e |
| 2023 | 42 | -10 | 76.5 kBtu/ft² | 172 tCO₂e |
| 2022 | 52 | 77.1 kBtu/ft² | 163 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
- 660 HEGEMAN AVE
- City
- New York City
- State
- New York
- ZIP
- 11207
- Coordinates
- 40.66173, -73.88745
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 660 Hegeman Avenue 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. 660 Hegeman Avenue's ENERGY STAR score of 71 compares with an average of 63 across the 22,829 that report a score; it scores higher than 52% of them and lower than 47%. Its site EUI of 61.5 kBtu/ft² is about 18% 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 4.0 kgCO₂e/ft² is about 22% below the group average of 5.2 kgCO₂e/ft².
At 36,000 sq ft, it is about 64% below the average floor area of 100,951 sq ft for those buildings. It was built in 1930, 22 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 660 Hegeman Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 660 Hegeman Avenue, covering report years 2022–2024. Its ENERGY STAR score went from 52 in 2022 to 71 in 2024 (+19 points). Site EUI moved from 77.1 kBtu/ft² (2022) to 61.5 kBtu/ft² (2024), a 20% decrease. Reported emissions went from 163 tCO₂e to 146 tCO₂e over the same span (down 10%).
What does an ENERGY STAR score of 71 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 71 means the building performs better than about 71% of its national peers. BuildingCensus bands the score into report-card grades; 71 falls in band B — above median (70–84). It sits 4 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. 660 Hegeman Avenue's 61.5 kBtu/ft² across 36,000 sq ft works out to about 2.2 billion Btu (649 MWh-equivalent) in 2024. Its source EUI of 86.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 133,858 kWh of electricity, 17,560 therms of natural gas and 5,375 thousand gallons of water for the year.
Which law requires 660 Hegeman Avenue to report its energy use?
660 Hegeman 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:6261020:2024). 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
- 1494 PROSPECT PLACE· 35,997 sq ft · score 69 (C)
- 502 9th Avenue· 35,996 sq ft · score 73 (B)
- 311 East 75th Owners Corp (311 East 75th Street)· 35,984 sq ft · score 38 (D)
- 8 Ford Street· 35,982 sq ft · score 25 (D)
- 31 Washington Street· 35,978 sq ft · EUI 45.9 kBtu/ft²
- 287 East Houston Street· 35,966 sq ft · score 70 (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 660 Hegeman Avenue's energy grade?
660 Hegeman Avenue scores 71 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 660 Hegeman Avenue use?
Its 2024 site energy-use intensity was 61.5 kBtu/ft² (86.7 kBtu/ft² source) across 36,000 sq ft, including 133,858 kWh of electricity and 17,560 therms of natural gas.
What are 660 Hegeman Avenue's carbon emissions?
660 Hegeman Avenue reported 146 tCO₂e of greenhouse-gas emissions (4.0 kgCO₂e/ft²) for 2024.
Where is 660 Hegeman Avenue?
660 Hegeman Avenue is at 660 HEGEMAN AVE, in New York City, New York 11207. Its coordinates are 40.66173, -73.88745 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 660 Hegeman Avenue and when was it built?
660 Hegeman Avenue has 36,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1930 as its year built. It is classed as multifamily housing.
Is 660 Hegeman 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, “660 Hegeman Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/660-hegeman-avenue-f919e477 (data as of October 2, 2026).