Hennessey Realty LLC
Multifamily Housing in New York City, NY · 183-91 West Burnside Avenue · 10453
At a glance
Hennessey Realty LLC is a 39,400-square-foot multifamily housing building at 183-91 West Burnside Avenue in New York City, New York, built in 1925. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 17 out of 100 (grade D), a site energy-use intensity of 89.0 kBtu/ft² and 245 tCO₂e of greenhouse-gas emissions. That score is higher than 10% 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 | 17 (band D) |
| Site EUI | 89.0 kBtu/ft² |
| Source EUI | 135.4 kBtu/ft² |
| GHG emissions | 245 tCO₂e |
| GHG intensity | 6.2 kgCO₂e/ft² |
| Electricity | 276,576 kWh |
| Natural gas | 25,628 therms |
| Gross floor area | 39,400 sq ft |
| Source record | nyc:6701527:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 17 | -3 | 89.0 kBtu/ft² | 245 tCO₂e |
| 2023 | 20 | -1 | 86.0 kBtu/ft² | 227 tCO₂e |
| 2022 | 21 | 94.3 kBtu/ft² | 232 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
- 183-91 West Burnside Avenue
- City
- New York City
- State
- New York
- ZIP
- 10453
- Coordinates
- 40.85408, -73.91509
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Hennessey Realty LLC 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. Hennessey Realty LLC's ENERGY STAR score of 17 compares with an average of 63 across the 22,829 that report a score; it scores higher than 10% of them and lower than 89%. Its site EUI of 89.0 kBtu/ft² is about 19% 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 6.2 kgCO₂e/ft² is about 19% above the group average of 5.2 kgCO₂e/ft².
At 39,400 sq ft, it is about 61% below the average floor area of 100,951 sq ft for those buildings. It was built in 1925, 27 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 Hennessey Realty LLC's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Hennessey Realty LLC, covering report years 2022–2024. Its ENERGY STAR score went from 21 in 2022 to 17 in 2024 (-4 points); its best year on file was 2022, at 21. Site EUI moved from 94.3 kBtu/ft² (2022) to 89.0 kBtu/ft² (2024), a 6% decrease. Reported emissions went from 232 tCO₂e to 245 tCO₂e over the same span (up 5%).
What does an ENERGY STAR score of 17 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 17 means the building performs better than about 17% of its national peers. BuildingCensus bands the score into report-card grades; 17 falls in band D — lowest band (1–54). It sits 58 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. Hennessey Realty LLC's 89.0 kBtu/ft² across 39,400 sq ft works out to about 3.5 billion Btu (1,028 MWh-equivalent) in 2024. Its source EUI of 135.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 276,576 kWh of electricity and 25,628 therms of natural gas for the year.
Which law requires Hennessey Realty LLC to report its energy use?
Hennessey Realty LLC 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:6701527:2024). 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
- 139-20 34th Avenue· 39,398 sq ft · score 94 (A)
- 156 2nd Ave· 39,395 sq ft · EUI 96.8 kBtu/ft²
- 156 2nd Avenue· 39,395 sq ft · score 51 (D)
- Silver Star: 1650 St. Nicholas· 39,393 sq ft · score 99 (A)
- 169 East 91st Street· 39,390 sq ft · score 62 (C)
- NEW HEIGHTS ASSOCIATES : 501 WEST 183 STREET· 39,386 sq ft · score 73 (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 Hennessey Realty LLC's energy grade?
Hennessey Realty LLC scores 17 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 Hennessey Realty LLC use?
Its 2024 site energy-use intensity was 89.0 kBtu/ft² (135.4 kBtu/ft² source) across 39,400 sq ft, including 276,576 kWh of electricity and 25,628 therms of natural gas.
What are Hennessey Realty LLC's carbon emissions?
Hennessey Realty LLC reported 245 tCO₂e of greenhouse-gas emissions (6.2 kgCO₂e/ft²) for 2024.
Where is Hennessey Realty LLC?
Hennessey Realty LLC is at 183-91 West Burnside Avenue, in New York City, New York 10453. Its coordinates are 40.85408, -73.91509 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Hennessey Realty LLC and when was it built?
Hennessey Realty LLC has 39,400 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1925 as its year built. It is classed as multifamily housing.
Is Hennessey Realty LLC 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, “Hennessey Realty LLC, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/hennessey-realty-llc-1554b8d5 (data as of October 2, 2026).