SAMUEL (CITY) - Bldg 23
Multifamily Housing in New York City, NY · 143 WEST 143RD STREET · 10030
At a glance
SAMUEL (CITY) - Bldg 23 is a 16,380-square-foot multifamily housing building at 143 WEST 143RD STREET in New York City, New York, built in 1993. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 173.8 kBtu/ft² and 173 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 173.8 kBtu/ft² |
| Source EUI | 220.2 kBtu/ft² |
| GHG emissions | 173 tCO₂e |
| GHG intensity | 10.6 kgCO₂e/ft² |
| Electricity | 103,398 kWh |
| Natural gas | 24,948 therms |
| Gross floor area | 16,380 sq ft |
| Source record | nyc:33966153:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 173.8 kBtu/ft² | 173 tCO₂e | |
| 2023 | — | 140.9 kBtu/ft² | 141 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
- 143 WEST 143RD STREET
- City
- New York City
- State
- New York
- ZIP
- 10030
- Coordinates
- 40.81978, -73.93867
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does SAMUEL (CITY) - Bldg 23 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 173.8 kBtu/ft² is about 132% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 10.6 kgCO₂e/ft² is about twice the group average of 5.2 kgCO₂e/ft².
At 16,380 sq ft, it is about 84% below the average floor area of 100,951 sq ft for those buildings. It was built in 1993, 41 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 SAMUEL (CITY) - Bldg 23's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for SAMUEL (CITY) - Bldg 23, covering report years 2023–2024. Site EUI moved from 140.9 kBtu/ft² (2023) to 173.8 kBtu/ft² (2024), an 23% increase. Reported emissions went from 141 tCO₂e to 173 tCO₂e over the same span (up 23%).
What does a site EUI of 173.8 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. SAMUEL (CITY) - Bldg 23's 173.8 kBtu/ft² across 16,380 sq ft works out to about 2.8 billion Btu (834 MWh-equivalent) in 2024. Its source EUI of 220.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 103,398 kWh of electricity and 24,948 therms of natural gas for the year.
Which law requires SAMUEL (CITY) - Bldg 23 to report its energy use?
SAMUEL (CITY) - Bldg 23 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:33966153:2024). 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
- 160 Hendrix Street· 16,372 sq ft
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- PARK ROCK REHAB - 1468 Park Pl· 16,352 sq ft · EUI 17.1 kBtu/ft²
- 144-56 ROOSEVELT AVENUE· 16,339 sq ft
- 144-54 ROOSEVELT AVENUE· 16,339 sq ft
- 1145 President St· 16,320 sq ft · EUI 105.1 kBtu/ft²
- 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 SAMUEL (CITY) - Bldg 23's energy grade?
SAMUEL (CITY) - Bldg 23 did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 173.8 kBtu/ft².
How much energy does SAMUEL (CITY) - Bldg 23 use?
Its 2024 site energy-use intensity was 173.8 kBtu/ft² (220.2 kBtu/ft² source) across 16,380 sq ft, including 103,398 kWh of electricity and 24,948 therms of natural gas.
What are SAMUEL (CITY) - Bldg 23's carbon emissions?
SAMUEL (CITY) - Bldg 23 reported 173 tCO₂e of greenhouse-gas emissions (10.6 kgCO₂e/ft²) for 2024.
Where is SAMUEL (CITY) - Bldg 23?
SAMUEL (CITY) - Bldg 23 is at 143 WEST 143RD STREET, in New York City, New York 10030. Its coordinates are 40.81978, -73.93867 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is SAMUEL (CITY) - Bldg 23 and when was it built?
SAMUEL (CITY) - Bldg 23 has 16,380 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1993 as its year built. It is classed as multifamily housing.
Is SAMUEL (CITY) - Bldg 23 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, “SAMUEL (CITY) - Bldg 23, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/samuel-city-bldg-23-373b7ba1 (data as of October 2, 2026).