75 Prospect Park Southwest
Multifamily Housing in New York City, NY · 11215
At a glance
75 Prospect Park Southwest is a 43,160-square-foot multifamily housing building in New York City, New York, built in 1936. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 67 out of 100 (grade C), a site energy-use intensity of 92.8 kBtu/ft² and 314 tCO₂e of greenhouse-gas emissions. That score is higher than 48% 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 | 67 (band C) |
| Site EUI | 92.8 kBtu/ft² |
| Source EUI | 113.9 kBtu/ft² |
| GHG emissions | 314 tCO₂e |
| GHG intensity | 7.3 kgCO₂e/ft² |
| Electricity | 141,720 kWh |
| Natural gas | 1,290 therms |
| Water use | 1,310 kgal |
| Gross floor area | 43,160 sq ft |
| Source record | nyc:6417228:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 67 | -6 | 92.8 kBtu/ft² | 314 tCO₂e |
| 2023 | 73 | +12 | 85.3 kBtu/ft² | 288 tCO₂e |
| 2022 | 61 | 100.9 kBtu/ft² | 326 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
- 75 Prospect Park Southwest
- City
- New York City
- State
- New York
- ZIP
- 11215
- Coordinates
- 40.65881, -73.97535
Within ~1 km
Nearby benchmarked buildings
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- 651 Vanderbilt Streetscore 64
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- Park Vanderbilt Coop Aptsscore 57
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- Bishop Boardmanscore 53
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- BISHOP BOARDMAN APTSscore 41
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See also: most efficient in New York City · biggest emitters
How does 75 Prospect Park Southwest 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. 75 Prospect Park Southwest's ENERGY STAR score of 67 compares with an average of 63 across the 22,829 that report a score; it scores higher than 48% of them and lower than 51%. Its site EUI of 92.8 kBtu/ft² is about 24% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 7.3 kgCO₂e/ft² is about 40% above the group average of 5.2 kgCO₂e/ft².
At 43,160 sq ft, it is about 57% below the average floor area of 100,951 sq ft for those buildings. It was built in 1936, 16 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 75 Prospect Park Southwest's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 75 Prospect Park Southwest, covering report years 2022–2024. Its ENERGY STAR score went from 61 in 2022 to 67 in 2024 (+6 points); its best year on file was 2023, at 73. Site EUI moved from 100.9 kBtu/ft² (2022) to 92.8 kBtu/ft² (2024), a 8% decrease. Reported emissions went from 326 tCO₂e to 314 tCO₂e over the same span (down 4%).
What does an ENERGY STAR score of 67 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 67 means the building performs better than about 67% of its national peers. BuildingCensus bands the score into report-card grades; 67 falls in band C — below median (55–69). It sits 8 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. 75 Prospect Park Southwest's 92.8 kBtu/ft² across 43,160 sq ft works out to about 4 billion Btu (1,174 MWh-equivalent) in 2024. Its source EUI of 113.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 141,720 kWh of electricity, 1,290 therms of natural gas and 1,310 thousand gallons of water for the year.
Which law requires 75 Prospect Park Southwest to report its energy use?
75 Prospect Park Southwest 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:6417228:2024). 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
- 4053-4055 Carpenter Avenue· 43,155 sq ft · score 100 (A)
- Narrows Management: 20 93rd Street· 43,142 sq ft · score 75 (B)
- 77 APT CORP· 43,140 sq ft · score 80 (B)
- Pinnacle - 668 Riverside Drive· 43,135 sq ft · score 18 (D)
- 668 Riverside Condominium (668 Riverside Dr)· 43,135 sq ft · score 46 (D)
- 672-674 E 136th St· 43,134 sq ft · score 60 (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 75 Prospect Park Southwest's energy grade?
75 Prospect Park Southwest scores 67 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 75 Prospect Park Southwest use?
Its 2024 site energy-use intensity was 92.8 kBtu/ft² (113.9 kBtu/ft² source) across 43,160 sq ft, including 141,720 kWh of electricity and 1,290 therms of natural gas.
What are 75 Prospect Park Southwest's carbon emissions?
75 Prospect Park Southwest reported 314 tCO₂e of greenhouse-gas emissions (7.3 kgCO₂e/ft²) for 2024.
Where is 75 Prospect Park Southwest?
75 Prospect Park Southwest is in New York City, New York 11215. Its coordinates are 40.65881, -73.97535 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 75 Prospect Park Southwest and when was it built?
75 Prospect Park Southwest has 43,160 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1936 as its year built. It is classed as multifamily housing.
Is 75 Prospect Park Southwest 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, “75 Prospect Park Southwest, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/75-prospect-park-southwest-8c8705c8 (data as of October 2, 2026).