SAMUEL (CITY) - Bldg 21
Multifamily Housing in New York City, NY · 151 WEST 143RD STREET · 10030
At a glance
SAMUEL (CITY) - Bldg 21 is a 14,510-square-foot multifamily housing building at 151 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 58.3 kBtu/ft² and 65 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 58.3 kBtu/ft² |
| Source EUI | 99.7 kBtu/ft² |
| GHG emissions | 65 tCO₂e |
| GHG intensity | 4.5 kgCO₂e/ft² |
| Electricity | 93,434 kWh |
| Natural gas | 5,272 therms |
| Gross floor area | 14,510 sq ft |
| Source record | nyc:33966150:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 58.3 kBtu/ft² | 65 tCO₂e | |
| 2023 | — | 83.9 kBtu/ft² | 81 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 151 WEST 143RD STREET
- City
- New York City
- State
- New York
- ZIP
- 10030
- Coordinates
- 40.81992, -73.93901
Within ~1 km
Nearby benchmarked buildings
- Esplanade Gardensscore —
Multifamily Housing · 2,274,380 sq ft
- Esplanade Gardensscore —
Multifamily Housing · 2,267,800 sq ft
- Esplanade Gardens Bldgs 1-4score 6
Multifamily Housing · 1,508,300 sq ft
Multifamily Housing · 1,507,800 sq ft
- Savoy Park Apartmentsscore 52
Multifamily Housing · 1,297,038 sq ft
- Benchmarking Group - 8score 90
Hospital (General Medical & Surgical) · 1,289,724 sq ft
See also: most efficient in New York City · biggest emitters
How does SAMUEL (CITY) - Bldg 21 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 58.3 kBtu/ft² is about 22% 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 4.5 kgCO₂e/ft² is about 14% below the group average of 5.2 kgCO₂e/ft².
At 14,510 sq ft, it is about 86% 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 21's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for SAMUEL (CITY) - Bldg 21, covering report years 2023–2024. Site EUI moved from 83.9 kBtu/ft² (2023) to 58.3 kBtu/ft² (2024), a 31% decrease. Reported emissions went from 81 tCO₂e to 65 tCO₂e over the same span (down 20%).
What does a site EUI of 58.3 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 21's 58.3 kBtu/ft² across 14,510 sq ft works out to about 0.8 billion Btu (248 MWh-equivalent) in 2024. Its source EUI of 99.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 93,434 kWh of electricity and 5,272 therms of natural gas for the year.
Which law requires SAMUEL (CITY) - Bldg 21 to report its energy use?
SAMUEL (CITY) - Bldg 21 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:33966150:2024). 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
- Coney 87 Post Avenue· 14,490 sq ft · EUI 22.8 kBtu/ft²
- Orsid-47-27 215 Place (Child)· 14,486 sq ft
- DEPM 7532 CHILD - 78-11 Main Street· 14,468 sq ft
- DEPM 7532 CHILD - 144-04 78 Avenue· 14,468 sq ft
- DEPM 7532 CHILD - 144-30 78 Avenue· 14,467 sq ft
- DEPM 7532 CHILD - 144-31 78 Road· 14,467 sq ft
- 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 21's energy grade?
SAMUEL (CITY) - Bldg 21 did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 58.3 kBtu/ft².
How much energy does SAMUEL (CITY) - Bldg 21 use?
Its 2024 site energy-use intensity was 58.3 kBtu/ft² (99.7 kBtu/ft² source) across 14,510 sq ft, including 93,434 kWh of electricity and 5,272 therms of natural gas.
What are SAMUEL (CITY) - Bldg 21's carbon emissions?
SAMUEL (CITY) - Bldg 21 reported 65 tCO₂e of greenhouse-gas emissions (4.5 kgCO₂e/ft²) for 2024.
Where is SAMUEL (CITY) - Bldg 21?
SAMUEL (CITY) - Bldg 21 is at 151 WEST 143RD STREET, in New York City, New York 10030. Its coordinates are 40.81992, -73.93901 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is SAMUEL (CITY) - Bldg 21 and when was it built?
SAMUEL (CITY) - Bldg 21 has 14,510 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 21 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).
Working with New York City building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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 21, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/samuel-city-bldg-21-1cd33db9 (data as of October 2, 2026).