K235, K835 (OECID: 0300240; BBL: 3048440001)
K-12 School in New York City, NY · 525 Lenox Road · 11203
At a glance
K235, K835 (OECID: 0300240; BBL: 3048440001) is a 104,400-square-foot K-12 school at 525 Lenox Road in New York City, New York, built in 1929. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 35 out of 100 (grade D), a site energy-use intensity of 72.0 kBtu/ft² and 532 tCO₂e of greenhouse-gas emissions. That score is higher than 16% of the 2,052 scored K-12 school buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 35 (band D) |
| Site EUI | 72.0 kBtu/ft² |
| Source EUI | 109.8 kBtu/ft² |
| GHG emissions | 532 tCO₂e |
| GHG intensity | 5.1 kgCO₂e/ft² |
| Electricity | 601,140 kWh |
| Natural gas | 51,853 therms |
| Water use | 1,100 kgal |
| Gross floor area | 104,400 sq ft |
| Source record | nyc:1634694:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 35 | +7 | 72.0 kBtu/ft² | 532 tCO₂e |
| 2023 | 28 | +2 | 77.4 kBtu/ft² | 552 tCO₂e |
| 2022 | 26 | 84.8 kBtu/ft² | 563 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
- 525 Lenox Road
- City
- New York City
- State
- New York
- ZIP
- 11203
- Coordinates
- 40.65470, -73.94109
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does K235, K835 (OECID: 0300240; BBL: 3048440001) 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. K235, K835 (OECID: 0300240; BBL: 3048440001)'s ENERGY STAR score of 35 compares with an average of 64 across the 2,052 that report a score; it scores higher than 16% of them and lower than 83%. Its site EUI of 72.0 kBtu/ft² is about 17% above 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 5.1 kgCO₂e/ft² is roughly in line with the group average of 4.8 kgCO₂e/ft².
At 104,400 sq ft, it is roughly in line with the average floor area of 101,338 sq ft for those buildings. It was built in 1929, 24 years earlier 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 K235, K835 (OECID: 0300240; BBL: 3048440001)'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for K235, K835 (OECID: 0300240; BBL: 3048440001), covering report years 2022–2024. Its ENERGY STAR score went from 26 in 2022 to 35 in 2024 (+9 points). Site EUI moved from 84.8 kBtu/ft² (2022) to 72.0 kBtu/ft² (2024), a 15% decrease. Reported emissions went from 563 tCO₂e to 532 tCO₂e over the same span (down 6%).
What does an ENERGY STAR score of 35 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 35 means the building performs better than about 35% of its national peers. BuildingCensus bands the score into report-card grades; 35 falls in band D — lowest band (1–54). It sits 40 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. K235, K835 (OECID: 0300240; BBL: 3048440001)'s 72.0 kBtu/ft² across 104,400 sq ft works out to about 7.5 billion Btu (2,203 MWh-equivalent) in 2024. Its source EUI of 109.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 601,140 kWh of electricity, 51,853 therms of natural gas and 1,100 thousand gallons of water for the year.
Which law requires K235, K835 (OECID: 0300240; BBL: 3048440001) to report its energy use?
K235, K835 (OECID: 0300240; BBL: 3048440001) 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:1634694:2024). 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 K-12 school buildings in New York City
- Q290 (OECID: 0401778; BBL: 4033650027)· 104,250 sq ft · score 17 (D)
- 556 Columbia Street· 104,247 sq ft · score 65 (C)
- Benchmarking Group - 171· 103,934 sq ft · score 100 (A)
- Benchmarking Group - 143· 103,595 sq ft · score 96 (A)
- Benchmarking Group - 134· 103,568 sq ft · score 83 (B)
- Q105 (OECID: 0400889; BBL: 4159740003)· 103,325 sq ft · score 61 (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 K235, K835 (OECID: 0300240; BBL: 3048440001)'s energy grade?
K235, K835 (OECID: 0300240; BBL: 3048440001) scores 35 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 K235, K835 (OECID: 0300240; BBL: 3048440001) use?
Its 2024 site energy-use intensity was 72.0 kBtu/ft² (109.8 kBtu/ft² source) across 104,400 sq ft, including 601,140 kWh of electricity and 51,853 therms of natural gas.
What are K235, K835 (OECID: 0300240; BBL: 3048440001)'s carbon emissions?
K235, K835 (OECID: 0300240; BBL: 3048440001) reported 532 tCO₂e of greenhouse-gas emissions (5.1 kgCO₂e/ft²) for 2024.
Where is K235, K835 (OECID: 0300240; BBL: 3048440001)?
K235, K835 (OECID: 0300240; BBL: 3048440001) is at 525 Lenox Road, in New York City, New York 11203. Its coordinates are 40.65470, -73.94109 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is K235, K835 (OECID: 0300240; BBL: 3048440001) and when was it built?
K235, K835 (OECID: 0300240; BBL: 3048440001) has 104,400 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1929 as its year built. It is classed as K-12 school.
Is K235, K835 (OECID: 0300240; BBL: 3048440001) 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, “K235, K835 (OECID: 0300240; BBL: 3048440001), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/k235-k835-oecid-0300240-bbl-3048440001-2c24de62 (data as of October 2, 2026).