Halstead - 305 East 85th Street
Multifamily Housing in New York City, NY · 1644 2 AVENUE · 10028
At a glance
Halstead - 305 East 85th Street is a 130,674-square-foot multifamily housing building at 1644 2 AVENUE in New York City, New York, built in 2008. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 20 out of 100 (grade D), a site energy-use intensity of 63.0 kBtu/ft² and 735 tCO₂e of greenhouse-gas emissions. That score is higher than 12% 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 | 20 (band D) |
| Site EUI | 63.0 kBtu/ft² |
| Source EUI | 130.4 kBtu/ft² |
| GHG emissions | 735 tCO₂e |
| GHG intensity | 5.6 kgCO₂e/ft² |
| Electricity | 1,405,312 kWh |
| Natural gas | 34,440 therms |
| Water use | 5,186 kgal |
| Gross floor area | 130,674 sq ft |
| Source record | nyc:6629671:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 20 | +11 | 63.0 kBtu/ft² | 735 tCO₂e |
| 2023 | 9 | -1 | 70.3 kBtu/ft² | 693 tCO₂e |
| 2022 | 10 | 74.8 kBtu/ft² | 609 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
- 1644 2 AVENUE
- City
- New York City
- State
- New York
- ZIP
- 10028
- Coordinates
- 40.77740, -73.95208
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Halstead - 305 East 85th Street 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. Halstead - 305 East 85th Street's ENERGY STAR score of 20 compares with an average of 63 across the 22,829 that report a score; it scores higher than 12% of them and lower than 88%. Its site EUI of 63.0 kBtu/ft² is about 16% 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 5.6 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 130,674 sq ft, it is about 29% above the average floor area of 100,951 sq ft for those buildings. It was built in 2008, 56 years later 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 - 305 East 85th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Halstead - 305 East 85th Street, covering report years 2022–2024. Its ENERGY STAR score went from 10 in 2022 to 20 in 2024 (+10 points). Site EUI moved from 74.8 kBtu/ft² (2022) to 63.0 kBtu/ft² (2024), a 16% decrease. Reported emissions went from 609 tCO₂e to 735 tCO₂e over the same span (up 21%).
What does an ENERGY STAR score of 20 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 20 means the building performs better than about 20% of its national peers. BuildingCensus bands the score into report-card grades; 20 falls in band D — lowest band (1–54). It sits 55 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. Halstead - 305 East 85th Street's 63.0 kBtu/ft² across 130,674 sq ft works out to about 8.2 billion Btu (2,413 MWh-equivalent) in 2024. Its source EUI of 130.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,405,312 kWh of electricity, 34,440 therms of natural gas and 5,186 thousand gallons of water for the year.
Which law requires Halstead - 305 East 85th Street to report its energy use?
Halstead - 305 East 85th Street 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:6629671:2024). 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
- 330 Bleecker Street AKA 95 Christopher Street· 130,647 sq ft · score 100 (A)
- CLS: 42-31 Colden Street· 130,644 sq ft · score 82 (B)
- - 830 Park Avenue bldg· 130,629 sq ft · score 94 (A)
- 600 East 179th Street· 130,625 sq ft · score 93 (A)
- 87-08 Justice Avenue· 130,600 sq ft · score 68 (C)
- Garthchester- 629 Kappock Street· 130,570 sq ft · score 87 (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 - 305 East 85th Street's energy grade?
Halstead - 305 East 85th Street scores 20 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 Halstead - 305 East 85th Street use?
Its 2024 site energy-use intensity was 63.0 kBtu/ft² (130.4 kBtu/ft² source) across 130,674 sq ft, including 1,405,312 kWh of electricity and 34,440 therms of natural gas.
What are Halstead - 305 East 85th Street's carbon emissions?
Halstead - 305 East 85th Street reported 735 tCO₂e of greenhouse-gas emissions (5.6 kgCO₂e/ft²) for 2024.
Where is Halstead - 305 East 85th Street?
Halstead - 305 East 85th Street is at 1644 2 AVENUE, in New York City, New York 10028. Its coordinates are 40.77740, -73.95208 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Halstead - 305 East 85th Street and when was it built?
Halstead - 305 East 85th Street has 130,674 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2008 as its year built. It is classed as multifamily housing.
Is Halstead - 305 East 85th Street 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 - 305 East 85th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/halstead-305-east-85th-street-6f249258 (data as of October 2, 2026).