Prospect Plaza 1B
Multifamily Housing in New York City, NY · 1765 Prospect Place · 11233
At a glance
Prospect Plaza 1B is a 94,379-square-foot multifamily housing building at 1765 Prospect Place in New York City, New York, built in 2016. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 84 out of 100 (grade B), a site energy-use intensity of 55.2 kBtu/ft² and 388 tCO₂e of greenhouse-gas emissions. That score is higher than 68% 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 | 84 (band B) |
| Site EUI | 55.2 kBtu/ft² |
| Source EUI | 91.2 kBtu/ft² |
| GHG emissions | 388 tCO₂e |
| GHG intensity | 4.1 kgCO₂e/ft² |
| Electricity | 524,823 kWh |
| Natural gas | 34,203 therms |
| Water use | 10,060 kgal |
| Gross floor area | 94,379 sq ft |
| Source record | nyc:17311992:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 84 | -15 | 55.2 kBtu/ft² | 388 tCO₂e |
| 2023 | 99 | -1 | 31.1 kBtu/ft² | 249 tCO₂e |
| 2022 | 100 | 31.5 kBtu/ft² | 208 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
- 1765 Prospect Place
- City
- New York City
- State
- New York
- ZIP
- 11233
- Coordinates
- 40.67256, -73.91792
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Prospect Plaza 1B 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. Prospect Plaza 1B's ENERGY STAR score of 84 compares with an average of 63 across the 22,829 that report a score; it scores higher than 68% of them and lower than 30%. Its site EUI of 55.2 kBtu/ft² is about 26% below 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 4.1 kgCO₂e/ft² is about 21% below the group average of 5.2 kgCO₂e/ft².
At 94,379 sq ft, it is roughly in line with the average floor area of 100,951 sq ft for those buildings. It was built in 2016, 64 years later 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 Prospect Plaza 1B's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Prospect Plaza 1B, covering report years 2022–2024. Its ENERGY STAR score went from 100 in 2022 to 84 in 2024 (-16 points); its best year on file was 2022, at 100. Site EUI moved from 31.5 kBtu/ft² (2022) to 55.2 kBtu/ft² (2024), an 75% increase. Reported emissions went from 208 tCO₂e to 388 tCO₂e over the same span (up 86%).
What does an ENERGY STAR score of 84 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 84 means the building performs better than about 84% of its national peers. BuildingCensus bands the score into report-card grades; 84 falls in band B — above median (70–84). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. Prospect Plaza 1B's 55.2 kBtu/ft² across 94,379 sq ft works out to about 5.2 billion Btu (1,527 MWh-equivalent) in 2024. Its source EUI of 91.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 524,823 kWh of electricity, 34,203 therms of natural gas and 10,060 thousand gallons of water for the year.
Which law requires Prospect Plaza 1B to report its energy use?
Prospect Plaza 1B 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:17311992:2024). 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
- Kaled: 144-90 41st Ave· 94,376 sq ft · score 94 (A)
- HHRMC - 318 Warren St· 94,364 sq ft · score 73 (B)
- Four Seasons: 2165 Chatterton Ave· 94,357 sq ft · EUI 87.3 kBtu/ft²
- 1350 Ocean Parkway· 94,325 sq ft · score 55 (C)
- 332 EDC Realty Corp· 94,315 sq ft · score 84 (B)
- 2044 Westchester Ave· 94,302 sq ft · score 2 (D)
- 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 Prospect Plaza 1B's energy grade?
Prospect Plaza 1B scores 84 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Prospect Plaza 1B use?
Its 2024 site energy-use intensity was 55.2 kBtu/ft² (91.2 kBtu/ft² source) across 94,379 sq ft, including 524,823 kWh of electricity and 34,203 therms of natural gas.
What are Prospect Plaza 1B's carbon emissions?
Prospect Plaza 1B reported 388 tCO₂e of greenhouse-gas emissions (4.1 kgCO₂e/ft²) for 2024.
Where is Prospect Plaza 1B?
Prospect Plaza 1B is at 1765 Prospect Place, in New York City, New York 11233. Its coordinates are 40.67256, -73.91792 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Prospect Plaza 1B and when was it built?
Prospect Plaza 1B has 94,379 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2016 as its year built. It is classed as multifamily housing.
Is Prospect Plaza 1B 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, “Prospect Plaza 1B, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/prospect-plaza-1b-2eb3e435 (data as of October 2, 2026).