K287 (OECID: 0300286; BBL: 3001110001)
K-12 School in New York City, NY · 50 Navy Street · 11201
At a glance
K287 (OECID: 0300286; BBL: 3001110001) is a 106,800-square-foot K-12 school at 50 Navy Street in New York City, New York, built in 1952. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 98 out of 100 (grade A), a site energy-use intensity of 24.4 kBtu/ft² and 228 tCO₂e of greenhouse-gas emissions. That score is higher than 95% 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 | 98 (band A) |
| Site EUI | 24.4 kBtu/ft² |
| Source EUI | 41.2 kBtu/ft² |
| GHG emissions | 228 tCO₂e |
| GHG intensity | 2.1 kgCO₂e/ft² |
| Electricity | 287,554 kWh |
| Natural gas | 2,515 therms |
| Gross floor area | 106,800 sq ft |
| Source record | nyc:1633587:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 98 | +14 | 24.4 kBtu/ft² | 228 tCO₂e |
| 2023 | 84 | +3 | 46.9 kBtu/ft² | 404 tCO₂e |
| 2022 | 81 | 64.1 kBtu/ft² | 519 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 50 Navy Street
- City
- New York City
- State
- New York
- ZIP
- 11201
- Coordinates
- 40.69790, -73.98054
Within ~1 km
Nearby benchmarked buildings
- WHITMAN/INGERSOLL CAMPUSscore 44
Multifamily Housing · 2,870,100 sq ft
- WHITMAN/INGERSOLLscore —
Multifamily Housing · 2,870,100 sq ft
- Chase Metrotech Campus (3&4)score —
Financial Office · 1,788,709 sq ft
- INGERSOLLscore —
Multifamily Housing · 1,521,000 sq ft
- 445 Gold Stscore —
Movie Theater · 1,421,596 sq ft
- City Point - 445 Gold Streetscore —
Multifamily Housing · 1,421,596 sq ft
See also: most efficient in New York City · biggest emitters
How does K287 (OECID: 0300286; BBL: 3001110001) 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. K287 (OECID: 0300286; BBL: 3001110001)'s ENERGY STAR score of 98 compares with an average of 64 across the 2,052 that report a score; it scores higher than 95% of them and lower than 4%. Its site EUI of 24.4 kBtu/ft² is about 60% below the average of 61.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 2.1 kgCO₂e/ft² is about 56% below the group average of 4.8 kgCO₂e/ft².
At 106,800 sq ft, it is roughly in line with the average floor area of 101,338 sq ft for those buildings. Its 1952 construction date is close to 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 K287 (OECID: 0300286; BBL: 3001110001)'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for K287 (OECID: 0300286; BBL: 3001110001), covering report years 2022–2024. Its ENERGY STAR score went from 81 in 2022 to 98 in 2024 (+17 points). Site EUI moved from 64.1 kBtu/ft² (2022) to 24.4 kBtu/ft² (2024), a 62% decrease. Reported emissions went from 519 tCO₂e to 228 tCO₂e over the same span (down 56%).
What does an ENERGY STAR score of 98 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 98 means the building performs better than about 98% of its national peers. BuildingCensus bands the score into report-card grades; 98 falls in band A — high performer (85–100). 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. K287 (OECID: 0300286; BBL: 3001110001)'s 24.4 kBtu/ft² across 106,800 sq ft works out to about 2.6 billion Btu (764 MWh-equivalent) in 2024. Its source EUI of 41.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 287,554 kWh of electricity and 2,515 therms of natural gas for the year.
Which law requires K287 (OECID: 0300286; BBL: 3001110001) to report its energy use?
K287 (OECID: 0300286; BBL: 3001110001) 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:1633587:2024). 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
- K807 (OECID: 0301889; BBL: 3063990040)· 106,700 sq ft · score 12 (D)
- Benchmarking Group - 56· 106,383 sq ft · score 90 (A)
- Benchmarking Group - 86· 106,272 sq ft · score 73 (B)
- K437 (OECID: 0301955; BBL: 3053210064)· 106,175 sq ft · score 19 (D)
- Benchmarking Group - 70· 106,141 sq ft · score 95 (A)
- K798 (OECID: 0301869; BBL: 3041020019)· 105,825 sq ft · score 21 (D)
- 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 K287 (OECID: 0300286; BBL: 3001110001)'s energy grade?
K287 (OECID: 0300286; BBL: 3001110001) scores 98 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does K287 (OECID: 0300286; BBL: 3001110001) use?
Its 2024 site energy-use intensity was 24.4 kBtu/ft² (41.2 kBtu/ft² source) across 106,800 sq ft, including 287,554 kWh of electricity and 2,515 therms of natural gas.
What are K287 (OECID: 0300286; BBL: 3001110001)'s carbon emissions?
K287 (OECID: 0300286; BBL: 3001110001) reported 228 tCO₂e of greenhouse-gas emissions (2.1 kgCO₂e/ft²) for 2024.
Where is K287 (OECID: 0300286; BBL: 3001110001)?
K287 (OECID: 0300286; BBL: 3001110001) is at 50 Navy Street, in New York City, New York 11201. Its coordinates are 40.69790, -73.98054 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is K287 (OECID: 0300286; BBL: 3001110001) and when was it built?
K287 (OECID: 0300286; BBL: 3001110001) has 106,800 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1952 as its year built. It is classed as K-12 school.
Is K287 (OECID: 0300286; BBL: 3001110001) 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).
Working with New York City building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “K287 (OECID: 0300286; BBL: 3001110001), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/k287-oecid-0300286-bbl-3001110001-ab4eee33 (data as of October 2, 2026).