401 Elmwood Ave - Brooklyn
K-12 School in New York City, NY · 401 Elmwood Avenue · 11230
At a glance
401 Elmwood Ave - Brooklyn is a 29,250-square-foot K-12 school at 401 Elmwood Avenue in New York City, New York, built in 2010. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 10 out of 100 (grade D), a site energy-use intensity of 130.9 kBtu/ft² and 289 tCO₂e of greenhouse-gas emissions. That score is higher than 5% of the 2,052 scored K-12 school buildings in New York City.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 10 (band D) |
| Site EUI | 130.9 kBtu/ft² |
| Source EUI | 229.2 kBtu/ft² |
| GHG emissions | 289 tCO₂e |
| GHG intensity | 9.9 kgCO₂e/ft² |
| Electricity | 449,194 kWh |
| Natural gas | 22,973 therms |
| Water use | 1,490 kgal |
| Gross floor area | 29,250 sq ft |
| Source record | nyc:20634232:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 10 | -17 | 130.9 kBtu/ft² | 289 tCO₂e |
| 2022 | 27 | 102.6 kBtu/ft² | 203 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
- 401 Elmwood Avenue
- City
- New York City
- State
- New York
- ZIP
- 11230
- Coordinates
- 40.62736, -73.97328
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 401 Elmwood Ave - Brooklyn compare with other K-12 school buildings in New York City?
The latest disclosures cover 2,301 K-12 school buildings in New York City, out of 48,310 buildings citywide. 401 Elmwood Ave - Brooklyn's ENERGY STAR score of 10 compares with an average of 64 across the 2,052 that report a score; it scores higher than 5% of them and lower than 95%. Its site EUI of 130.9 kBtu/ft² is about twice the average of 61.3 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 9.9 kgCO₂e/ft² is about twice the group average of 4.8 kgCO₂e/ft².
At 29,250 sq ft, it is about 71% below the average floor area of 101,338 sq ft for those buildings. It was built in 2010, 57 years later than the group's average year built (1954). Across all 24 jurisdictions BuildingCensus covers, the 6,548 K-12 school buildings average an ENERGY STAR score of 64 and a site EUI of 52.7 kBtu/ft².
How has 401 Elmwood Ave - Brooklyn's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 401 Elmwood Ave - Brooklyn, covering report years 2022–2023. Its ENERGY STAR score went from 27 in 2022 to 10 in 2023 (-17 points); its best year on file was 2022, at 27. Site EUI moved from 102.6 kBtu/ft² (2022) to 130.9 kBtu/ft² (2023), an 28% increase. Reported emissions went from 203 tCO₂e to 289 tCO₂e over the same span (up 42%).
What does an ENERGY STAR score of 10 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 10 means the building performs better than about 10% of its national peers. BuildingCensus bands the score into report-card grades; 10 falls in band D — lowest band (1–54). It sits 65 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. 401 Elmwood Ave - Brooklyn's 130.9 kBtu/ft² across 29,250 sq ft works out to about 3.8 billion Btu (1,122 MWh-equivalent) in 2023. Its source EUI of 229.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 449,194 kWh of electricity, 22,973 therms of natural gas and 1,490 thousand gallons of water for the year.
Which law requires 401 Elmwood Ave - Brooklyn to report its energy use?
401 Elmwood Ave - Brooklyn 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 2023 disclosure (source record nyc:20634232:2023). 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 K-12 school buildings in New York City
- 38 - Our Lady of Sorrows - School· 29,206 sq ft
- 67-01 108 STREET· 29,174 sq ft · score 94 (A)
- 11-20 46th Road Owner - 11-20 46th Rd· 29,014 sq ft · score 76 (B)
- Most Precious Blood: 133 27th Ave· 28,978 sq ft · score 94 (A)
- 7 East 91 Street· 28,835 sq ft
- Beth Jacob of Brownsville and East New York· 28,800 sq ft · score 64 (C)
- K-12 School buildings in New York City· 2,301 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 401 Elmwood Ave - Brooklyn's energy grade?
401 Elmwood Ave - Brooklyn scores 10 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 401 Elmwood Ave - Brooklyn use?
Its 2023 site energy-use intensity was 130.9 kBtu/ft² (229.2 kBtu/ft² source) across 29,250 sq ft, including 449,194 kWh of electricity and 22,973 therms of natural gas.
What are 401 Elmwood Ave - Brooklyn's carbon emissions?
401 Elmwood Ave - Brooklyn reported 289 tCO₂e of greenhouse-gas emissions (9.9 kgCO₂e/ft²) for 2023.
Where is 401 Elmwood Ave - Brooklyn?
401 Elmwood Ave - Brooklyn is at 401 Elmwood Avenue, in New York City, New York 11230. Its coordinates are 40.62736, -73.97328 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 401 Elmwood Ave - Brooklyn and when was it built?
401 Elmwood Ave - Brooklyn has 29,250 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2010 as its year built. It is classed as K-12 school.
Is 401 Elmwood Ave - Brooklyn covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “401 Elmwood Ave - Brooklyn, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/401-elmwood-ave-brooklyn-eec9bda7 (data as of October 2, 2026).