Stuart Duncan Condominium
Multifamily Housing in New York City, NY · 3 E. 75Th Street · 10021
At a glance
Stuart Duncan Condominium is a 28,280-square-foot multifamily housing building at 3 E. 75Th Street in New York City, New York, built in 1930. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 78.8 kBtu/ft² and 173 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 78.8 kBtu/ft² |
| Source EUI | 136.9 kBtu/ft² |
| GHG emissions | 173 tCO₂e |
| GHG intensity | 6.1 kgCO₂e/ft² |
| Electricity | 256,356 kWh |
| Natural gas | 13,534 therms |
| Water use | 871 kgal |
| Gross floor area | 28,280 sq ft |
| Source record | nyc:6306350:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 78.8 kBtu/ft² | 173 tCO₂e | |
| 2023 | — | 82.2 kBtu/ft² | 181 tCO₂e | |
| 2022 | — | 87.4 kBtu/ft² | 166 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
- 3 E. 75Th Street
- City
- New York City
- State
- New York
- ZIP
- 10021
- Coordinates
- 40.77428, -73.96527
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Stuart Duncan Condominium 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 78.8 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 6.1 kgCO₂e/ft² is about 17% above the group average of 5.2 kgCO₂e/ft².
At 28,280 sq ft, it is about 72% below the average floor area of 100,951 sq ft for those buildings. It was built in 1930, 22 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 Stuart Duncan Condominium's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Stuart Duncan Condominium, covering report years 2022–2024. Site EUI moved from 87.4 kBtu/ft² (2022) to 78.8 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 166 tCO₂e to 173 tCO₂e over the same span (up 4%).
What does a site EUI of 78.8 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. Stuart Duncan Condominium's 78.8 kBtu/ft² across 28,280 sq ft works out to about 2.2 billion Btu (653 MWh-equivalent) in 2024. Its source EUI of 136.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 256,356 kWh of electricity, 13,534 therms of natural gas and 871 thousand gallons of water for the year.
Which law requires Stuart Duncan Condominium to report its energy use?
Stuart Duncan Condominium 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:6306350:2024). 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
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- 1893 Belmont Avenue· 28,279 sq ft · score 95 (A)
- 1895 Belmont Avenue· 28,279 sq ft · score 72 (B)
- Columbus Townhouses I Condominium· 28,269 sq ft · score 89 (A)
- 165 EAST 60 STREET· 28,268 sq ft · score 54 (D)
- 508 West 178th Street· 28,266 sq ft · score 57 (C)
- 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 Stuart Duncan Condominium's energy grade?
Stuart Duncan Condominium did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 78.8 kBtu/ft².
How much energy does Stuart Duncan Condominium use?
Its 2024 site energy-use intensity was 78.8 kBtu/ft² (136.9 kBtu/ft² source) across 28,280 sq ft, including 256,356 kWh of electricity and 13,534 therms of natural gas.
What are Stuart Duncan Condominium's carbon emissions?
Stuart Duncan Condominium reported 173 tCO₂e of greenhouse-gas emissions (6.1 kgCO₂e/ft²) for 2024.
Where is Stuart Duncan Condominium?
Stuart Duncan Condominium is at 3 E. 75Th Street, in New York City, New York 10021. Its coordinates are 40.77428, -73.96527 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Stuart Duncan Condominium and when was it built?
Stuart Duncan Condominium has 28,280 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1930 as its year built. It is classed as multifamily housing.
Is Stuart Duncan Condominium 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, “Stuart Duncan Condominium, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/stuart-duncan-condominium-f1e8f4c3 (data as of October 2, 2026).