21 Washington Place / 244 Greene Street (MC)
College/University in New York City, NY · 21 Washington Place · 10003
At a glance
21 Washington Place / 244 Greene Street (MC) is a 24,259-square-foot college/university building in New York City, New York, built in 1896. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 26.7 kBtu/ft² and 74 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 26.7 kBtu/ft² |
| Source EUI | 74.7 kBtu/ft² |
| GHG emissions | 74 tCO₂e |
| GHG intensity | 3.1 kgCO₂e/ft² |
| Electricity | 189,696 kWh |
| Gross floor area | 24,259 sq ft |
| Source record | nyc:6891600:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 26.7 kBtu/ft² | 74 tCO₂e | |
| 2023 | — | 38.5 kBtu/ft² | 102 tCO₂e | |
| 2022 | — | 44.2 kBtu/ft² | 91 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
- 21 Washington Place
- City
- New York City
- State
- New York
- ZIP
- 10003
- Coordinates
- 40.72973, -73.99519
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 21 Washington Place / 244 Greene Street (MC) compare with other college/university buildings in New York City?
The latest disclosures cover 553 college/university buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 26.7 kBtu/ft² is about 72% below the average of 94.5 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 half of the group average of 6.0 kgCO₂e/ft².
At 24,259 sq ft, it is about 88% below the average floor area of 202,329 sq ft for those buildings. It was built in 1896, 51 years earlier than the group's average year built (1947). Across all 24 jurisdictions BuildingCensus covers, the 2,113 college/university buildings average an ENERGY STAR score of 68 and a site EUI of 98.7 kBtu/ft².
How has 21 Washington Place / 244 Greene Street (MC)'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 21 Washington Place / 244 Greene Street (MC), covering report years 2022–2024. Site EUI moved from 44.2 kBtu/ft² (2022) to 26.7 kBtu/ft² (2024), a 40% decrease. Reported emissions went from 91 tCO₂e to 74 tCO₂e over the same span (down 18%).
What does a site EUI of 26.7 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. 21 Washington Place / 244 Greene Street (MC)'s 26.7 kBtu/ft² across 24,259 sq ft works out to about 0.6 billion Btu (190 MWh-equivalent) in 2024. Its source EUI of 74.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 189,696 kWh of electricity for the year.
Which law requires 21 Washington Place / 244 Greene Street (MC) to report its energy use?
21 Washington Place / 244 Greene Street (MC) 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:6891600:2024). 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 college/university buildings in New York City
- CUNY SC > MAC_341_William E. Macaulay Honors College· 24,096 sq ft · EUI 71.7 kBtu/ft²
- Dekalb Hall· 24,058 sq ft · EUI 60.9 kBtu/ft²
- 285 Mercer Street (MC)· 23,726 sq ft · EUI 26.5 kBtu/ft²
- Alumni Hall· 23,604 sq ft
- FIT_12032_Conference Center (East Courtyard Building)· 23,441 sq ft
- CUNY SC > BKC_405_Brooklyn College: Heating Plant· 23,198 sq ft · EUI 12432.4 kBtu/ft²
- College/University buildings in New York City· 553 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 21 Washington Place / 244 Greene Street (MC)'s energy grade?
21 Washington Place / 244 Greene Street (MC) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 26.7 kBtu/ft².
How much energy does 21 Washington Place / 244 Greene Street (MC) use?
Its 2024 site energy-use intensity was 26.7 kBtu/ft² (74.7 kBtu/ft² source) across 24,259 sq ft, including 189,696 kWh of electricity.
What are 21 Washington Place / 244 Greene Street (MC)'s carbon emissions?
21 Washington Place / 244 Greene Street (MC) reported 74 tCO₂e of greenhouse-gas emissions (3.1 kgCO₂e/ft²) for 2024.
Where is 21 Washington Place / 244 Greene Street (MC)?
21 Washington Place / 244 Greene Street (MC) is in New York City, New York 10003. Its coordinates are 40.72973, -73.99519 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 21 Washington Place / 244 Greene Street (MC) and when was it built?
21 Washington Place / 244 Greene Street (MC) has 24,259 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1896 as its year built. It is classed as college/university.
Is 21 Washington Place / 244 Greene Street (MC) 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, “21 Washington Place / 244 Greene Street (MC), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/21-washington-place-244-greene-street-mc-2fef0c9c (data as of October 2, 2026).