A02630 - 279 Prospect Avenue Housing Condominium
Multifamily Housing in New York City, NY · 279 Prospect Avenue · 11215
At a glance
A02630 - 279 Prospect Avenue Housing Condominium is a 34,406-square-foot multifamily housing building in New York City, New York, built in 2003. 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 40.3 kBtu/ft² and 160 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 | 40.3 kBtu/ft² |
| Source EUI | 112.9 kBtu/ft² |
| GHG emissions | 160 tCO₂e |
| GHG intensity | 4.6 kgCO₂e/ft² |
| Electricity | 406,686 kWh |
| Water use | 1,292 kgal |
| Gross floor area | 34,406 sq ft |
| Source record | nyc:10819649:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 63 | -3 | 40.3 kBtu/ft² | 160 tCO₂e |
| 2023 | 66 | 38.8 kBtu/ft² | 145 tCO₂e | |
| 2022 | — | — | — |
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
- 279 Prospect Avenue
- City
- New York City
- State
- New York
- ZIP
- 11215
- Coordinates
- 40.66339, -73.98927
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does A02630 - 279 Prospect Avenue Housing 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. A02630 - 279 Prospect Avenue Housing Condominium'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 40.3 kBtu/ft² is about half of 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 4.6 kgCO₂e/ft² is about 11% below the group average of 5.2 kgCO₂e/ft².
At 34,406 sq ft, it is about 66% below the average floor area of 100,951 sq ft for those buildings. It was built in 2003, 51 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 A02630 - 279 Prospect Avenue Housing Condominium's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for A02630 - 279 Prospect Avenue Housing Condominium, covering report years 2022–2024. Its ENERGY STAR score went from 66 in 2023 to 63 in 2024 (-3 points); its best year on file was 2023, at 66. Site EUI moved from 38.8 kBtu/ft² (2023) to 40.3 kBtu/ft² (2024), an 4% increase. Reported emissions went from 145 tCO₂e to 160 tCO₂e over the same span (up 10%).
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. A02630 - 279 Prospect Avenue Housing Condominium's 40.3 kBtu/ft² across 34,406 sq ft works out to about 1.4 billion Btu (406 MWh-equivalent) in 2024. Its source EUI of 112.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 406,686 kWh of electricity and 1,292 thousand gallons of water for the year.
Which law requires A02630 - 279 Prospect Avenue Housing Condominium to report its energy use?
A02630 - 279 Prospect Avenue Housing 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:10819649:2024). 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.
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Frequently asked questions
What is A02630 - 279 Prospect Avenue Housing Condominium's energy grade?
A02630 - 279 Prospect Avenue Housing Condominium 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 A02630 - 279 Prospect Avenue Housing Condominium use?
Its 2024 site energy-use intensity was 40.3 kBtu/ft² (112.9 kBtu/ft² source) across 34,406 sq ft, including 406,686 kWh of electricity.
What are A02630 - 279 Prospect Avenue Housing Condominium's carbon emissions?
A02630 - 279 Prospect Avenue Housing Condominium reported 160 tCO₂e of greenhouse-gas emissions (4.6 kgCO₂e/ft²) for 2024.
Where is A02630 - 279 Prospect Avenue Housing Condominium?
A02630 - 279 Prospect Avenue Housing Condominium is in New York City, New York 11215. Its coordinates are 40.66339, -73.98927 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is A02630 - 279 Prospect Avenue Housing Condominium and when was it built?
A02630 - 279 Prospect Avenue Housing Condominium has 34,406 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2003 as its year built. It is classed as multifamily housing.
Is A02630 - 279 Prospect Avenue Housing 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, “A02630 - 279 Prospect Avenue Housing Condominium, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/a02630-279-prospect-avenue-housing-condominium-7977e962 (data as of October 2, 2026).