143 WEST 20 STREET
Multifamily Housing in New York City, NY · 143 WEST 20 STREET, · 10011
At a glance
143 WEST 20 STREET is a 48,477-square-foot multifamily housing building at 143 WEST 20 STREET, in New York City, New York, built in 1909. In its 2022 New York City benchmarking disclosure it reported a site energy-use intensity of 53.5 kBtu/ft² and 152 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2022
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 53.5 kBtu/ft² |
| Source EUI | 72.9 kBtu/ft² |
| GHG emissions | 152 tCO₂e |
| GHG intensity | 3.1 kgCO₂e/ft² |
| Electricity | 135,704 kWh |
| Gross floor area | 48,477 sq ft |
| Source record | nyc:26640250:2022 |
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 20 STREET,
- City
- New York City
- State
- New York
- ZIP
- 10011
- Coordinates
- 40.74179, -73.99593
Within ~1 km
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- ConEd Irving Placescore 55
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- Benchmarking Group - 3score —
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- PENN 11score 78
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See also: most efficient in New York City · biggest emitters
How does 143 WEST 20 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. Its site EUI of 53.5 kBtu/ft² is about 29% 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 3.1 kgCO₂e/ft² is about 40% below the group average of 5.2 kgCO₂e/ft².
At 48,477 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 1909, 43 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 a site EUI of 53.5 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. 143 WEST 20 STREET's 53.5 kBtu/ft² across 48,477 sq ft works out to about 2.6 billion Btu (760 MWh-equivalent) in 2022. Its source EUI of 72.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 135,704 kWh of electricity for the year.
Which law requires 143 WEST 20 STREET to report its energy use?
143 WEST 20 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 2022 disclosure (source record nyc:26640250:2022). 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
- Progressive - 1055 Findlay Avenue· 48,475 sq ft · score 69 (C)
- 1230 Woodycrest Avenue· 48,471 sq ft · score 31 (D)
- 299 ADELPHI STREET - 36083· 48,451 sq ft · score 96 (A)
- MP Management - 720 Hunts Point ave· 48,450 sq ft · score 100 (A)
- Andrews: 76 Crosby St· 48,450 sq ft · EUI 96.2 kBtu/ft²
- Southern: 712 Fox Street· 48,450 sq ft · score 52 (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 143 WEST 20 STREET's energy grade?
143 WEST 20 STREET did not report an ENERGY STAR score in its 2022 disclosure, but its site energy-use intensity was 53.5 kBtu/ft².
How much energy does 143 WEST 20 STREET use?
Its 2022 site energy-use intensity was 53.5 kBtu/ft² (72.9 kBtu/ft² source) across 48,477 sq ft, including 135,704 kWh of electricity.
What are 143 WEST 20 STREET's carbon emissions?
143 WEST 20 STREET reported 152 tCO₂e of greenhouse-gas emissions (3.1 kgCO₂e/ft²) for 2022.
Where is 143 WEST 20 STREET?
143 WEST 20 STREET is at 143 WEST 20 STREET,, in New York City, New York 10011. Its coordinates are 40.74179, -73.99593 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 143 WEST 20 STREET and when was it built?
143 WEST 20 STREET has 48,477 sq ft of gross floor area, as reported in its 2022 disclosure. The disclosure lists 1909 as its year built. It is classed as multifamily housing.
Is 143 WEST 20 STREET covered by Local Law 84 (LL84)?
Yes — it appears in the 2022 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, “143 WEST 20 STREET, New York City, New York — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/143-west-20-street-b77f89b3 (data as of October 2, 2026).