KM 500 West 144th street/144 Hamilton Place
Multifamily Housing in New York City, NY · 500 West 144th street/144 Hamilton Place · 10031
At a glance
KM 500 West 144th street/144 Hamilton Place is a 56,688-square-foot multifamily housing building in New York City, New York, built in 1920. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 91 out of 100 (grade A), a site energy-use intensity of 48.5 kBtu/ft² and 197 tCO₂e of greenhouse-gas emissions. That score is higher than 78% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 91 (band A) |
| Site EUI | 48.5 kBtu/ft² |
| Source EUI | 79.2 kBtu/ft² |
| GHG emissions | 197 tCO₂e |
| GHG intensity | 3.5 kgCO₂e/ft² |
| Electricity | 268,336 kWh |
| Natural gas | 18,361 therms |
| Gross floor area | 56,688 sq ft |
| Source record | nyc:15332746:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 91 | +11 | 48.5 kBtu/ft² | 197 tCO₂e |
| 2022 | 80 | 66.5 kBtu/ft² | 228 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
- 500 West 144th street/144 Hamilton Place
- City
- New York City
- State
- New York
- ZIP
- 10031
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in New York City · biggest emitters
How does KM 500 West 144th street/144 Hamilton Place 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. KM 500 West 144th street/144 Hamilton Place's ENERGY STAR score of 91 compares with an average of 63 across the 22,829 that report a score; it scores higher than 78% of them and lower than 21%. Its site EUI of 48.5 kBtu/ft² is about 35% 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 3.5 kgCO₂e/ft² is about 33% below the group average of 5.2 kgCO₂e/ft².
At 56,688 sq ft, it is about 44% below the average floor area of 100,951 sq ft for those buildings. It was built in 1920, 32 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 KM 500 West 144th street/144 Hamilton Place's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for KM 500 West 144th street/144 Hamilton Place, covering report years 2022–2023. Its ENERGY STAR score went from 80 in 2022 to 91 in 2023 (+11 points). Site EUI moved from 66.5 kBtu/ft² (2022) to 48.5 kBtu/ft² (2023), a 27% decrease. Reported emissions went from 228 tCO₂e to 197 tCO₂e over the same span (down 14%).
What does an ENERGY STAR score of 91 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 91 means the building performs better than about 91% of its national peers. BuildingCensus bands the score into report-card grades; 91 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. KM 500 West 144th street/144 Hamilton Place's 48.5 kBtu/ft² across 56,688 sq ft works out to about 2.7 billion Btu (806 MWh-equivalent) in 2023. Its source EUI of 79.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 268,336 kWh of electricity and 18,361 therms of natural gas for the year.
Which law requires KM 500 West 144th street/144 Hamilton Place to report its energy use?
KM 500 West 144th street/144 Hamilton Place 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:15332746:2023). 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.
More multifamily housing buildings in New York City
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- 105 West 72nd Street· 56,648 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 KM 500 West 144th street/144 Hamilton Place's energy grade?
KM 500 West 144th street/144 Hamilton Place scores 91 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does KM 500 West 144th street/144 Hamilton Place use?
Its 2023 site energy-use intensity was 48.5 kBtu/ft² (79.2 kBtu/ft² source) across 56,688 sq ft, including 268,336 kWh of electricity and 18,361 therms of natural gas.
What are KM 500 West 144th street/144 Hamilton Place's carbon emissions?
KM 500 West 144th street/144 Hamilton Place reported 197 tCO₂e of greenhouse-gas emissions (3.5 kgCO₂e/ft²) for 2023.
Where is KM 500 West 144th street/144 Hamilton Place?
KM 500 West 144th street/144 Hamilton Place is in New York City, New York 10031.
How big is KM 500 West 144th street/144 Hamilton Place and when was it built?
KM 500 West 144th street/144 Hamilton Place has 56,688 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1920 as its year built. It is classed as multifamily housing.
Is KM 500 West 144th street/144 Hamilton Place 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, “KM 500 West 144th street/144 Hamilton Place, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/km-500-west-144th-street-144-hamilton-place-976e80f5 (data as of October 2, 2026).