Demetrius Partridge Realty - 321 61 St
Multifamily Housing in New York City, NY · 321 61 street · 11220
At a glance
Demetrius Partridge Realty - 321 61 St is a 27,520-square-foot multifamily housing building at 321 61 street in New York City, New York, built in 1924. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 63 out of 100 (grade C), a site energy-use intensity of 71.3 kBtu/ft² and 125 tCO₂e of greenhouse-gas emissions. That score is higher than 43% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 63 (band C) |
| Site EUI | 71.3 kBtu/ft² |
| Source EUI | 95.7 kBtu/ft² |
| GHG emissions | 125 tCO₂e |
| GHG intensity | 4.5 kgCO₂e/ft² |
| Electricity | 95,666 kWh |
| Natural gas | 16,367 therms |
| Gross floor area | 27,520 sq ft |
| Source record | nyc:6789233:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 63 | +5 | 71.3 kBtu/ft² | 125 tCO₂e |
| 2023 | 58 | -8 | 74.2 kBtu/ft² | 127 tCO₂e |
| 2022 | 66 | 79.2 kBtu/ft² | 125 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
- 321 61 street
- City
- New York City
- State
- New York
- ZIP
- 11220
- Coordinates
- 40.64104, -74.02029
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Demetrius Partridge Realty - 321 61 St 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. Demetrius Partridge Realty - 321 61 St's ENERGY STAR score of 63 compares with an average of 63 across the 22,829 that report a score; it scores higher than 43% of them and lower than 56%. Its site EUI of 71.3 kBtu/ft² is roughly in line with 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 4.5 kgCO₂e/ft² is about 13% below the group average of 5.2 kgCO₂e/ft².
At 27,520 sq ft, it is about 73% below the average floor area of 100,951 sq ft for those buildings. It was built in 1924, 28 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 Demetrius Partridge Realty - 321 61 St's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Demetrius Partridge Realty - 321 61 St, covering report years 2022–2024. Its ENERGY STAR score went from 66 in 2022 to 63 in 2024 (-3 points); its best year on file was 2022, at 66. Site EUI moved from 79.2 kBtu/ft² (2022) to 71.3 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 125 tCO₂e to 125 tCO₂e over the same span (down 1%).
What does an ENERGY STAR score of 63 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 63 means the building performs better than about 63% of its national peers. BuildingCensus bands the score into report-card grades; 63 falls in band C — below median (55–69). It sits 12 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% of scored buildings are at 75 or above.
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. Demetrius Partridge Realty - 321 61 St's 71.3 kBtu/ft² across 27,520 sq ft works out to about 2 billion Btu (575 MWh-equivalent) in 2024. Its source EUI of 95.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 95,666 kWh of electricity and 16,367 therms of natural gas for the year.
Which law requires Demetrius Partridge Realty - 321 61 St to report its energy use?
Demetrius Partridge Realty - 321 61 St 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:6789233:2024). 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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- 168 Ave P - 168 Avenue P, Brooklyn, NY 11204, USA· 27,508 sq ft · score 97 (A)
- Advanced: 429 Clinton Ave· 27,501 sq ft · EUI 60.7 kBtu/ft²
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- 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 Demetrius Partridge Realty - 321 61 St's energy grade?
Demetrius Partridge Realty - 321 61 St scores 63 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Demetrius Partridge Realty - 321 61 St use?
Its 2024 site energy-use intensity was 71.3 kBtu/ft² (95.7 kBtu/ft² source) across 27,520 sq ft, including 95,666 kWh of electricity and 16,367 therms of natural gas.
What are Demetrius Partridge Realty - 321 61 St's carbon emissions?
Demetrius Partridge Realty - 321 61 St reported 125 tCO₂e of greenhouse-gas emissions (4.5 kgCO₂e/ft²) for 2024.
Where is Demetrius Partridge Realty - 321 61 St?
Demetrius Partridge Realty - 321 61 St is at 321 61 street, in New York City, New York 11220. Its coordinates are 40.64104, -74.02029 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Demetrius Partridge Realty - 321 61 St and when was it built?
Demetrius Partridge Realty - 321 61 St has 27,520 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1924 as its year built. It is classed as multifamily housing.
Is Demetrius Partridge Realty - 321 61 St 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, “Demetrius Partridge Realty - 321 61 St, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/demetrius-partridge-realty-321-61-st-0ad753d9 (data as of October 2, 2026).