CUNY SC > CCNY_312_CCNY: Marshak Hall
College/University in New York City, NY · 181 Convent Ave · 10031
At a glance
CUNY SC > CCNY_312_CCNY: Marshak Hall is a 620,782-square-foot college/university building at 181 Convent Ave in New York City, New York, built in 1972. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 17.9 kBtu/ft² and 590 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 17.9 kBtu/ft² |
| Source EUI | 18.8 kBtu/ft² |
| GHG emissions | 590 tCO₂e |
| GHG intensity | 1.0 kgCO₂e/ft² |
| Natural gas | 111,088 therms |
| Gross floor area | 620,782 sq ft |
| Source record | nyc:21353667:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 17.9 kBtu/ft² | 590 tCO₂e | |
| 2022 | — | 35.1 kBtu/ft² | 1,157 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
- 181 Convent Ave
- City
- New York City
- State
- New York
- ZIP
- 10031
- Coordinates
- 40.81957, -73.94992
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does CUNY SC > CCNY_312_CCNY: Marshak Hall 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 17.9 kBtu/ft² is about 81% 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 1.0 kgCO₂e/ft² is about 83% below the group average of 6.0 kgCO₂e/ft².
At 620,782 sq ft, it is about 207% above the average floor area of 202,329 sq ft for those buildings. It was built in 1972, 25 years later 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 CUNY SC > CCNY_312_CCNY: Marshak Hall's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for CUNY SC > CCNY_312_CCNY: Marshak Hall, covering report years 2022–2023. Site EUI moved from 35.1 kBtu/ft² (2022) to 17.9 kBtu/ft² (2023), a 49% decrease. Reported emissions went from 1,157 tCO₂e to 590 tCO₂e over the same span (down 49%).
What does a site EUI of 17.9 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. CUNY SC > CCNY_312_CCNY: Marshak Hall's 17.9 kBtu/ft² across 620,782 sq ft works out to about 11.1 billion Btu (3,257 MWh-equivalent) in 2023. Its source EUI of 18.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 111,088 therms of natural gas for the year.
Which law requires CUNY SC > CCNY_312_CCNY: Marshak Hall to report its energy use?
CUNY SC > CCNY_312_CCNY: Marshak Hall 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 2023 disclosure (source record nyc:21353667:2023). 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
- Columbia Business School· 600,887 sq ft
- Conolly Residence Hall· 579,404 sq ft · EUI 43.8 kBtu/ft²
- CUNY - Medgar Evers College· 570,861 sq ft
- 1 Pace Plaza· 569,027 sq ft · EUI 59.5 kBtu/ft²
- Benchmarking Group - 12· 567,416 sq ft · EUI 59.9 kBtu/ft²
- College of Mount St. Vincent· 515,799 sq ft
- 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 CUNY SC > CCNY_312_CCNY: Marshak Hall's energy grade?
CUNY SC > CCNY_312_CCNY: Marshak Hall did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 17.9 kBtu/ft².
How much energy does CUNY SC > CCNY_312_CCNY: Marshak Hall use?
Its 2023 site energy-use intensity was 17.9 kBtu/ft² (18.8 kBtu/ft² source) across 620,782 sq ft and 111,088 therms of natural gas.
What are CUNY SC > CCNY_312_CCNY: Marshak Hall's carbon emissions?
CUNY SC > CCNY_312_CCNY: Marshak Hall reported 590 tCO₂e of greenhouse-gas emissions (1.0 kgCO₂e/ft²) for 2023.
Where is CUNY SC > CCNY_312_CCNY: Marshak Hall?
CUNY SC > CCNY_312_CCNY: Marshak Hall is at 181 Convent Ave, in New York City, New York 10031. Its coordinates are 40.81957, -73.94992 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is CUNY SC > CCNY_312_CCNY: Marshak Hall and when was it built?
CUNY SC > CCNY_312_CCNY: Marshak Hall has 620,782 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1972 as its year built. It is classed as college/university.
Is CUNY SC > CCNY_312_CCNY: Marshak Hall covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “CUNY SC > CCNY_312_CCNY: Marshak Hall, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/cuny-sc-ccny-312-ccny-marshak-hall-075fd876 (data as of October 2, 2026).