Halstead - 123 East 37th St
Multifamily Housing in New York City, NY · 123 EAST 37 STREET · 10016
At a glance
Halstead - 123 East 37th St is a 79,789-square-foot multifamily housing building at 123 EAST 37 STREET in New York City, New York, built in 1940. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 61.6 kBtu/ft² and 329 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 61.6 kBtu/ft² |
| Source EUI | 88.7 kBtu/ft² |
| GHG emissions | 329 tCO₂e |
| GHG intensity | 4.1 kgCO₂e/ft² |
| Electricity | 321,163 kWh |
| Natural gas | 38,176 therms |
| Water use | 2,550 kgal |
| Gross floor area | 79,789 sq ft |
| Source record | nyc:3522591:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 61.6 kBtu/ft² | 329 tCO₂e | |
| 2023 | 86 | -1 | 67.9 kBtu/ft² | 348 tCO₂e |
| 2022 | 87 | 70.3 kBtu/ft² | 333 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
- 123 EAST 37 STREET
- City
- New York City
- State
- New York
- ZIP
- 10016
- Coordinates
- 40.74853, -73.97884
Within ~1 km
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How does Halstead - 123 East 37th 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 61.6 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 4.1 kgCO₂e/ft² is about 21% below the group average of 5.2 kgCO₂e/ft².
At 79,789 sq ft, it is about 21% below the average floor area of 100,951 sq ft for those buildings. It was built in 1940, 12 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 Halstead - 123 East 37th St's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Halstead - 123 East 37th St, covering report years 2022–2024. Its ENERGY STAR score went from 87 in 2022 to 86 in 2023 (-1 points); its best year on file was 2022, at 87. Site EUI moved from 70.3 kBtu/ft² (2022) to 61.6 kBtu/ft² (2024), a 12% decrease. Reported emissions went from 333 tCO₂e to 329 tCO₂e over the same span (down 1%).
What does a site EUI of 61.6 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. Halstead - 123 East 37th St's 61.6 kBtu/ft² across 79,789 sq ft works out to about 4.9 billion Btu (1,440 MWh-equivalent) in 2024. Its source EUI of 88.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 321,163 kWh of electricity, 38,176 therms of natural gas and 2,550 thousand gallons of water for the year.
Which law requires Halstead - 123 East 37th St to report its energy use?
Halstead - 123 East 37th 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 2024 disclosure (source record nyc:3522591:2024). 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
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- 10 Rutgers Street· 79,751 sq ft
- Kaled: 68-10 108th St· 79,749 sq ft · score 75 (B)
- Pinnacle - 105-115 Bennett Ave· 79,735 sq ft · score 73 (B)
- 128 Wythe Ave· 79,730 sq ft · score 100 (A)
- 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 Halstead - 123 East 37th St's energy grade?
Halstead - 123 East 37th St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 61.6 kBtu/ft².
How much energy does Halstead - 123 East 37th St use?
Its 2024 site energy-use intensity was 61.6 kBtu/ft² (88.7 kBtu/ft² source) across 79,789 sq ft, including 321,163 kWh of electricity and 38,176 therms of natural gas.
What are Halstead - 123 East 37th St's carbon emissions?
Halstead - 123 East 37th St reported 329 tCO₂e of greenhouse-gas emissions (4.1 kgCO₂e/ft²) for 2024.
Where is Halstead - 123 East 37th St?
Halstead - 123 East 37th St is at 123 EAST 37 STREET, in New York City, New York 10016. Its coordinates are 40.74853, -73.97884 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Halstead - 123 East 37th St and when was it built?
Halstead - 123 East 37th St has 79,789 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1940 as its year built. It is classed as multifamily housing.
Is Halstead - 123 East 37th St 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, “Halstead - 123 East 37th St, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/halstead-123-east-37th-st-675f407b (data as of October 2, 2026).