Halstead - 91 Central Park West NY, NY 10023
Multifamily Housing in New York City, NY · 91 CENTRAL PARK WEST · 10023
At a glance
Halstead - 91 Central Park West NY, NY 10023 is a 214,355-square-foot multifamily housing building at 91 CENTRAL PARK WEST in New York City, New York, built in 1929. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 87 out of 100 (grade A), a site energy-use intensity of 55.8 kBtu/ft² and 986 tCO₂e of greenhouse-gas emissions. That score is higher than 72% 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 | 87 (band A) |
| Site EUI | 55.8 kBtu/ft² |
| Source EUI | 78.3 kBtu/ft² |
| GHG emissions | 986 tCO₂e |
| GHG intensity | 4.6 kgCO₂e/ft² |
| Electricity | 753,756 kWh |
| Natural gas | 1,618 therms |
| Water use | 4,317 kgal |
| Gross floor area | 214,355 sq ft |
| Source record | nyc:33561267:2024 |
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
- 91 CENTRAL PARK WEST
- City
- New York City
- State
- New York
- ZIP
- 10023
- Coordinates
- 40.77438, -73.97731
Within ~1 km
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How does Halstead - 91 Central Park West NY, NY 10023 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 - 91 Central Park West NY, NY 10023's ENERGY STAR score of 87 compares with an average of 63 across the 22,829 that report a score; it scores higher than 72% of them and lower than 26%. Its site EUI of 55.8 kBtu/ft² is about 26% 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 4.6 kgCO₂e/ft² is about 12% below the group average of 5.2 kgCO₂e/ft².
At 214,355 sq ft, it is about twice the average floor area of 100,951 sq ft for those buildings. It was built in 1929, 23 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 an ENERGY STAR score of 87 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 87 means the building performs better than about 87% of its national peers. BuildingCensus bands the score into report-card grades; 87 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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 - 91 Central Park West NY, NY 10023's 55.8 kBtu/ft² across 214,355 sq ft works out to about 12 billion Btu (3,505 MWh-equivalent) in 2024. Its source EUI of 78.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 753,756 kWh of electricity, 1,618 therms of natural gas and 4,317 thousand gallons of water for the year.
Which law requires Halstead - 91 Central Park West NY, NY 10023 to report its energy use?
Halstead - 91 Central Park West NY, NY 10023 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:33561267:2024). 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
- 60 First Ave - 7144· 214,280 sq ft · score 1 (D)
- AKAM - 300 West 122nd Street· 214,131 sq ft · score 87 (A)
- Fulton Park· 214,111 sq ft · score 100 (A)
- Chef Driven:2450 BROADWAY,· 214,011 sq ft · score 58 (C)
- 212 West 91 Street· 214,011 sq ft · score 14 (D)
- Broadway Greystone· 214,011 sq ft · score 14 (D)
- 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 - 91 Central Park West NY, NY 10023's energy grade?
Halstead - 91 Central Park West NY, NY 10023 scores 87 out of 100 on ENERGY STAR — band A, high performer (85–100) — 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 - 91 Central Park West NY, NY 10023 use?
Its 2024 site energy-use intensity was 55.8 kBtu/ft² (78.3 kBtu/ft² source) across 214,355 sq ft, including 753,756 kWh of electricity and 1,618 therms of natural gas.
What are Halstead - 91 Central Park West NY, NY 10023's carbon emissions?
Halstead - 91 Central Park West NY, NY 10023 reported 986 tCO₂e of greenhouse-gas emissions (4.6 kgCO₂e/ft²) for 2024.
Where is Halstead - 91 Central Park West NY, NY 10023?
Halstead - 91 Central Park West NY, NY 10023 is at 91 CENTRAL PARK WEST, in New York City, New York 10023. Its coordinates are 40.77438, -73.97731 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Halstead - 91 Central Park West NY, NY 10023 and when was it built?
Halstead - 91 Central Park West NY, NY 10023 has 214,355 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1929 as its year built. It is classed as multifamily housing.
Is Halstead - 91 Central Park West NY, NY 10023 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 - 91 Central Park West NY, NY 10023, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/halstead-91-central-park-west-ny-ny-10023-ba5f7764 (data as of October 2, 2026).