121 Greene Street
Multifamily Housing in New York City, NY · 121 GREENE ST. · 10012
At a glance
121 Greene Street is a 32,559-square-foot multifamily housing building at 121 GREENE ST. in New York City, New York, built in 1900. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 55.7 kBtu/ft² and 161 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 55.7 kBtu/ft² |
| Source EUI | 93.0 kBtu/ft² |
| GHG emissions | 161 tCO₂e |
| GHG intensity | 5.0 kgCO₂e/ft² |
| Electricity | 196,023 kWh |
| Natural gas | 238 therms |
| Water use | 301 kgal |
| Gross floor area | 32,559 sq ft |
| Source record | nyc:6791299:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 55.7 kBtu/ft² | 161 tCO₂e | |
| 2023 | — | 77.1 kBtu/ft² | 216 tCO₂e | |
| 2022 | — | 74.4 kBtu/ft² | 190 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
- 121 GREENE ST.
- City
- New York City
- State
- New York
- ZIP
- 10012
- Coordinates
- 40.72520, -73.99920
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 121 Greene 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 55.7 kBtu/ft² is about 26% 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 5.0 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 32,559 sq ft, it is about 68% below the average floor area of 100,951 sq ft for those buildings. It was built in 1900, 52 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 121 Greene Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 121 Greene Street, covering report years 2022–2024. Site EUI moved from 74.4 kBtu/ft² (2022) to 55.7 kBtu/ft² (2024), a 25% decrease. Reported emissions went from 190 tCO₂e to 161 tCO₂e over the same span (down 15%).
What does a site EUI of 55.7 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. 121 Greene Street's 55.7 kBtu/ft² across 32,559 sq ft works out to about 1.8 billion Btu (531 MWh-equivalent) in 2024. Its source EUI of 93.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 196,023 kWh of electricity, 238 therms of natural gas and 301 thousand gallons of water for the year.
Which law requires 121 Greene Street to report its energy use?
121 Greene 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:6791299:2024). 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
- NEW BEDFORD : 61 LEXINGTON AVENUE· 32,554 sq ft · score 44 (D)
- 42-54 Judge Street· 32,550 sq ft · score 23 (D)
- FRASER'S MULTICO, INC· 32,550 sq ft · EUI 95.1 kBtu/ft²
- Grampion· 32,550 sq ft · score 76 (B)
- GRAMPION· 32,550 sq ft · score 44 (D)
- 39 OCEAN LLC· 32,550 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 121 Greene Street's energy grade?
121 Greene Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 55.7 kBtu/ft².
How much energy does 121 Greene Street use?
Its 2024 site energy-use intensity was 55.7 kBtu/ft² (93.0 kBtu/ft² source) across 32,559 sq ft, including 196,023 kWh of electricity and 238 therms of natural gas.
What are 121 Greene Street's carbon emissions?
121 Greene Street reported 161 tCO₂e of greenhouse-gas emissions (5.0 kgCO₂e/ft²) for 2024.
Where is 121 Greene Street?
121 Greene Street is at 121 GREENE ST., in New York City, New York 10012. Its coordinates are 40.72520, -73.99920 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 121 Greene Street and when was it built?
121 Greene Street has 32,559 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1900 as its year built. It is classed as multifamily housing.
Is 121 Greene 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).
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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, “121 Greene Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/121-greene-street-ffba59b0 (data as of October 2, 2026).