6 West 20th Street
Multifamily Housing in New York City, NY · 10011
At a glance
6 West 20th Street is a 49,032-square-foot multifamily housing building in New York City, New York, built in 1910. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 43.8 kBtu/ft² and 190 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 43.8 kBtu/ft² |
| Source EUI | 84.4 kBtu/ft² |
| GHG emissions | 190 tCO₂e |
| GHG intensity | 3.9 kgCO₂e/ft² |
| Electricity | 285,231 kWh |
| Natural gas | 234 therms |
| Water use | 1,293 kgal |
| Gross floor area | 49,032 sq ft |
| Source record | nyc:6250162:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 43.8 kBtu/ft² | 190 tCO₂e | |
| 2023 | — | 36.4 kBtu/ft² | 157 tCO₂e | |
| 2022 | — | 49.3 kBtu/ft² | 174 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
- 6 West 20th Street
- City
- New York City
- State
- New York
- ZIP
- 10011
- Coordinates
- 40.73991, -73.99153
Within ~1 km
Nearby benchmarked buildings
- Penn Southscore 95
Multifamily Housing · 3,391,963 sq ft
- ESRT - Empire State Buildingscore 78
Office · 2,852,257 sq ft
- 11 Madison Avenuescore 77
Office · 2,228,574 sq ft
- 51 Madisonscore 79
Office · 1,485,386 sq ft
- One Madison Avenuescore —
Office · 1,339,997 sq ft
- ConEd Irving Placescore 55
Office · 1,255,204 sq ft
See also: most efficient in New York City · biggest emitters
How does 6 West 20th 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 43.8 kBtu/ft² is about 42% 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 3.9 kgCO₂e/ft² is about 26% below the group average of 5.2 kgCO₂e/ft².
At 49,032 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 1910, 42 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 6 West 20th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 6 West 20th Street, covering report years 2022–2024. Site EUI moved from 49.3 kBtu/ft² (2022) to 43.8 kBtu/ft² (2024), a 11% decrease. Reported emissions went from 174 tCO₂e to 190 tCO₂e over the same span (up 9%).
What does a site EUI of 43.8 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. 6 West 20th Street's 43.8 kBtu/ft² across 49,032 sq ft works out to about 2.1 billion Btu (629 MWh-equivalent) in 2024. Its source EUI of 84.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 285,231 kWh of electricity, 234 therms of natural gas and 1,293 thousand gallons of water for the year.
Which law requires 6 West 20th Street to report its energy use?
6 West 20th 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 2024 disclosure (source record nyc:6250162:2024). 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
- VP: 2766 Barnes Ave· 49,020 sq ft · score 41 (D)
- 108 STOCKTON· 49,015 sq ft · score 89 (A)
- J&C Lamb Management Corp - 24 Gramercy Park South· 49,015 sq ft · EUI 47.6 kBtu/ft²
- 114 STOCKTON ST· 49,015 sq ft · score 40 (D)
- 24 Gramercy Park South· 49,015 sq ft · score 88 (A)
- 141-28 84th Dr· 49,011 sq ft · score 54 (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 6 West 20th Street's energy grade?
6 West 20th Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 43.8 kBtu/ft².
How much energy does 6 West 20th Street use?
Its 2024 site energy-use intensity was 43.8 kBtu/ft² (84.4 kBtu/ft² source) across 49,032 sq ft, including 285,231 kWh of electricity and 234 therms of natural gas.
What are 6 West 20th Street's carbon emissions?
6 West 20th Street reported 190 tCO₂e of greenhouse-gas emissions (3.9 kgCO₂e/ft²) for 2024.
Where is 6 West 20th Street?
6 West 20th Street is in New York City, New York 10011. Its coordinates are 40.73991, -73.99153 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 6 West 20th Street and when was it built?
6 West 20th Street has 49,032 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1910 as its year built. It is classed as multifamily housing.
Is 6 West 20th Street 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, “6 West 20th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/6-west-20th-street-c6738ecb (data as of October 2, 2026).