JWavecrest - 520 Concord Ave
Multifamily Housing in New York City, NY · 520 Concord Avenue · 10455
At a glance
JWavecrest - 520 Concord Ave is a 67,713-square-foot multifamily housing building at 520 Concord Avenue in New York City, New York, built in 2007. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 44 out of 100 (grade D), a site energy-use intensity of 91.9 kBtu/ft² and 424 tCO₂e of greenhouse-gas emissions. That score is higher than 27% 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 | 44 (band D) |
| Site EUI | 91.9 kBtu/ft² |
| Source EUI | 135.5 kBtu/ft² |
| GHG emissions | 424 tCO₂e |
| GHG intensity | 6.3 kgCO₂e/ft² |
| Electricity | 441,592 kWh |
| Natural gas | 47,179 therms |
| Water use | 7,597 kgal |
| Gross floor area | 67,713 sq ft |
| Source record | nyc:3529396:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 44 | +2 | 91.9 kBtu/ft² | 424 tCO₂e |
| 2023 | 42 | -12 | 90.4 kBtu/ft² | 416 tCO₂e |
| 2022 | 54 | 86.5 kBtu/ft² | 367 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
- 520 Concord Avenue
- City
- New York City
- State
- New York
- ZIP
- 10455
- Coordinates
- 40.81240, -73.90838
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does JWavecrest - 520 Concord Ave 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. JWavecrest - 520 Concord Ave's ENERGY STAR score of 44 compares with an average of 63 across the 22,829 that report a score; it scores higher than 27% of them and lower than 72%. Its site EUI of 91.9 kBtu/ft² is about 23% 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 6.3 kgCO₂e/ft² is about 20% above the group average of 5.2 kgCO₂e/ft².
At 67,713 sq ft, it is about 33% below the average floor area of 100,951 sq ft for those buildings. It was built in 2007, 55 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 JWavecrest - 520 Concord Ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for JWavecrest - 520 Concord Ave, covering report years 2022–2024. Its ENERGY STAR score went from 54 in 2022 to 44 in 2024 (-10 points); its best year on file was 2022, at 54. Site EUI moved from 86.5 kBtu/ft² (2022) to 91.9 kBtu/ft² (2024), an 6% increase. Reported emissions went from 367 tCO₂e to 424 tCO₂e over the same span (up 15%).
What does an ENERGY STAR score of 44 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 44 means the building performs better than about 44% of its national peers. BuildingCensus bands the score into report-card grades; 44 falls in band D — lowest band (1–54). It sits 31 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. JWavecrest - 520 Concord Ave's 91.9 kBtu/ft² across 67,713 sq ft works out to about 6.2 billion Btu (1,824 MWh-equivalent) in 2024. Its source EUI of 135.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 441,592 kWh of electricity, 47,179 therms of natural gas and 7,597 thousand gallons of water for the year.
Which law requires JWavecrest - 520 Concord Ave to report its energy use?
JWavecrest - 520 Concord Ave 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:3529396:2024). 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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- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
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- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is JWavecrest - 520 Concord Ave's energy grade?
JWavecrest - 520 Concord Ave scores 44 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does JWavecrest - 520 Concord Ave use?
Its 2024 site energy-use intensity was 91.9 kBtu/ft² (135.5 kBtu/ft² source) across 67,713 sq ft, including 441,592 kWh of electricity and 47,179 therms of natural gas.
What are JWavecrest - 520 Concord Ave's carbon emissions?
JWavecrest - 520 Concord Ave reported 424 tCO₂e of greenhouse-gas emissions (6.3 kgCO₂e/ft²) for 2024.
Where is JWavecrest - 520 Concord Ave?
JWavecrest - 520 Concord Ave is at 520 Concord Avenue, in New York City, New York 10455. Its coordinates are 40.81240, -73.90838 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is JWavecrest - 520 Concord Ave and when was it built?
JWavecrest - 520 Concord Ave has 67,713 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2007 as its year built. It is classed as multifamily housing.
Is JWavecrest - 520 Concord Ave 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, “JWavecrest - 520 Concord Ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/jwavecrest-520-concord-ave-29afcc69 (data as of October 2, 2026).