Rocklyn: 50-01 44th St
K-12 School in New York City, NY · 50-01 44th St · 11377
At a glance
Rocklyn: 50-01 44th St is a 67,000-square-foot K-12 school in New York City, New York, built in 1928. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 71 out of 100 (grade B), a site energy-use intensity of 61.7 kBtu/ft² and 276 tCO₂e of greenhouse-gas emissions. That score is higher than 52% 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 | 71 (band B) |
| Site EUI | 61.7 kBtu/ft² |
| Source EUI | 91.4 kBtu/ft² |
| GHG emissions | 276 tCO₂e |
| GHG intensity | 4.1 kgCO₂e/ft² |
| Electricity | 298,375 kWh |
| Natural gas | 31,186 therms |
| Water use | 1,016 kgal |
| Gross floor area | 67,000 sq ft |
| Source record | nyc:15365337:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 71 | +34 | 61.7 kBtu/ft² | 276 tCO₂e |
| 2022 | 37 | 90.5 kBtu/ft² | 386 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
- 50-01 44th St
- City
- New York City
- State
- New York
- ZIP
- 11377
- Coordinates
- 40.73735, -73.92175
Within ~1 km
Nearby benchmarked buildings
- 43-10 48th Avenue - 36322score —
Multifamily Housing · 450,492 sq ft
K-12 School · 317,000 sq ft
- 48-01 42nd Street - 36323score 92
Multifamily Housing · 258,500 sq ft
K-12 School · 234,800 sq ft
Multifamily Housing · 230,000 sq ft
Multifamily Housing · 229,991 sq ft
See also: most efficient in New York City · biggest emitters
How does Rocklyn: 50-01 44th St 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. Rocklyn: 50-01 44th St's ENERGY STAR score of 71 compares with an average of 64 across the 2,052 that report a score; it scores higher than 52% of them and lower than 47%. Its site EUI of 61.7 kBtu/ft² is roughly in line with the average of 61.3 kBtu/ft². Its emissions intensity of 4.1 kgCO₂e/ft² is about 15% below the group average of 4.8 kgCO₂e/ft².
At 67,000 sq ft, it is about 34% below the average floor area of 101,338 sq ft for those buildings. It was built in 1928, 25 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 Rocklyn: 50-01 44th St's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Rocklyn: 50-01 44th St, covering report years 2022–2023. Its ENERGY STAR score went from 37 in 2022 to 71 in 2023 (+34 points). Site EUI moved from 90.5 kBtu/ft² (2022) to 61.7 kBtu/ft² (2023), a 32% decrease. Reported emissions went from 386 tCO₂e to 276 tCO₂e over the same span (down 28%).
What does an ENERGY STAR score of 71 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 71 means the building performs better than about 71% of its national peers. BuildingCensus bands the score into report-card grades; 71 falls in band B — above median (70–84). It sits 4 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. Rocklyn: 50-01 44th St's 61.7 kBtu/ft² across 67,000 sq ft works out to about 4.1 billion Btu (1,212 MWh-equivalent) in 2023. Its source EUI of 91.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 298,375 kWh of electricity, 31,186 therms of natural gas and 1,016 thousand gallons of water for the year.
Which law requires Rocklyn: 50-01 44th St to report its energy use?
Rocklyn: 50-01 44th St 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:15365337:2023). 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
- Green Light Energy Conservation : 147-37 70 ROAD· 66,971 sq ft · score 68 (C)
- 80 Willoughby Street· 66,856 sq ft · score 10 (D)
- 80 Willoughby Street· 66,856 sq ft · score 94 (A)
- 278 West 10 Street· 66,813 sq ft · score 56 (C)
- 22 East 91st Street· 66,600 sq ft · score 13 (D)
- Benchmarking Group - 210· 66,495 sq ft · score 46 (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 Rocklyn: 50-01 44th St's energy grade?
Rocklyn: 50-01 44th St scores 71 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Rocklyn: 50-01 44th St use?
Its 2023 site energy-use intensity was 61.7 kBtu/ft² (91.4 kBtu/ft² source) across 67,000 sq ft, including 298,375 kWh of electricity and 31,186 therms of natural gas.
What are Rocklyn: 50-01 44th St's carbon emissions?
Rocklyn: 50-01 44th St reported 276 tCO₂e of greenhouse-gas emissions (4.1 kgCO₂e/ft²) for 2023.
Where is Rocklyn: 50-01 44th St?
Rocklyn: 50-01 44th St is in New York City, New York 11377. Its coordinates are 40.73735, -73.92175 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Rocklyn: 50-01 44th St and when was it built?
Rocklyn: 50-01 44th St has 67,000 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1928 as its year built. It is classed as K-12 school.
Is Rocklyn: 50-01 44th St 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).
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, “Rocklyn: 50-01 44th St, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/rocklyn-50-01-44th-st-6e4a04ae (data as of October 2, 2026).