178 Halsey St
Multifamily Housing in New York City, NY · 178 HALSEY ST · 11216
At a glance
178 Halsey St is a 10,286-square-foot multifamily housing building at 178 HALSEY ST in New York City, New York, built in 1910. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 73.7 kBtu/ft² and 55 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 73.7 kBtu/ft² |
| Source EUI | 120.9 kBtu/ft² |
| GHG emissions | 55 tCO₂e |
| GHG intensity | 5.3 kgCO₂e/ft² |
| Electricity | 75,003 kWh |
| Natural gas | 5,021 therms |
| Gross floor area | 10,286 sq ft |
| Source record | nyc:10369929:2023 |
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
- 178 HALSEY ST
- City
- New York City
- State
- New York
- ZIP
- 11216
- Coordinates
- 40.68212, -73.94707
Within ~1 km
Nearby benchmarked buildings
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- 390 Nostrand Avenuescore 81
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- Armstrong II Bldgs 1-3score 21
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See also: most efficient in New York City · biggest emitters
How does 178 Halsey St 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. Its site EUI of 73.7 kBtu/ft² is roughly in line with 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 5.3 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 10,286 sq ft, it is about 90% below the average floor area of 100,951 sq ft for those buildings. It was built in 1910, 42 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.
What does a site EUI of 73.7 kBtu/ft² mean?
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. 178 Halsey St's 73.7 kBtu/ft² across 10,286 sq ft works out to about 0.8 billion Btu (222 MWh-equivalent) in 2023. Its source EUI of 120.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 75,003 kWh of electricity and 5,021 therms of natural gas for the year.
Which law requires 178 Halsey St to report its energy use?
178 Halsey St 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 2023 disclosure (source record nyc:10369929:2023). 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.
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Frequently asked questions
What is 178 Halsey St's energy grade?
178 Halsey St did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 73.7 kBtu/ft².
How much energy does 178 Halsey St use?
Its 2023 site energy-use intensity was 73.7 kBtu/ft² (120.9 kBtu/ft² source) across 10,286 sq ft, including 75,003 kWh of electricity and 5,021 therms of natural gas.
What are 178 Halsey St's carbon emissions?
178 Halsey St reported 55 tCO₂e of greenhouse-gas emissions (5.3 kgCO₂e/ft²) for 2023.
Where is 178 Halsey St?
178 Halsey St is at 178 HALSEY ST, in New York City, New York 11216. Its coordinates are 40.68212, -73.94707 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 178 Halsey St and when was it built?
178 Halsey St has 10,286 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1910 as its year built. It is classed as multifamily housing.
Is 178 Halsey St covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “178 Halsey St, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/178-halsey-st-d33f88c7 (data as of October 2, 2026).