Rocklyn: 39-56 56th St
Other - Recreation in New York City, NY · 39-56 56th St · 11377
At a glance
Rocklyn: 39-56 56th St is a 43,755-square-foot other - recreation building in New York City, New York, built in 1950. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 130.7 kBtu/ft² and 369 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 130.7 kBtu/ft² |
| Source EUI | 183.9 kBtu/ft² |
| GHG emissions | 369 tCO₂e |
| GHG intensity | 8.4 kgCO₂e/ft² |
| Electricity | 342,192 kWh |
| Natural gas | 45,513 therms |
| Gross floor area | 43,755 sq ft |
| Source record | nyc:6629480:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 130.7 kBtu/ft² | 369 tCO₂e | |
| 2022 | — | 103.0 kBtu/ft² | 275 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
- 39-56 56th St
- City
- New York City
- State
- New York
- ZIP
- 11377
- Coordinates
- 40.74716, -73.90769
Within ~1 km
Nearby benchmarked buildings
- Big Six Towersscore 8
Multifamily Housing · 1,112,839 sq ft
- 59-10 Queens Boulevardscore 92
Multifamily Housing · 793,839 sq ft
Multifamily Housing · 472,864 sq ft
- Sunnyside Garden Apartmentsscore 98
Multifamily Housing · 467,469 sq ft
Multifamily Housing · 436,170 sq ft
- 39-25 51st Street - 26212score 96
Multifamily Housing · 430,982 sq ft
See also: most efficient in New York City · biggest emitters
How does Rocklyn: 39-56 56th St compare with other other - recreation buildings in New York City?
The latest disclosures cover 264 other - recreation buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 130.7 kBtu/ft² is about 21% below the average of 166.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 8.4 kgCO₂e/ft² is about 35% below the group average of 13.0 kgCO₂e/ft².
At 43,755 sq ft, it is about 59% above the average floor area of 27,514 sq ft for those buildings. It was built in 1950, 3 years later than the group's average year built (1947). Across all 24 jurisdictions BuildingCensus covers, the 482 other - recreation buildings average an ENERGY STAR score of 51 and a site EUI of 134.0 kBtu/ft².
How has Rocklyn: 39-56 56th St's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Rocklyn: 39-56 56th St, covering report years 2022–2023. Site EUI moved from 103.0 kBtu/ft² (2022) to 130.7 kBtu/ft² (2023), an 27% increase. Reported emissions went from 275 tCO₂e to 369 tCO₂e over the same span (up 34%).
What does a site EUI of 130.7 kBtu/ft² mean?
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: 39-56 56th St's 130.7 kBtu/ft² across 43,755 sq ft works out to about 5.7 billion Btu (1,676 MWh-equivalent) in 2023. Its source EUI of 183.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 342,192 kWh of electricity and 45,513 therms of natural gas for the year.
Which law requires Rocklyn: 39-56 56th St to report its energy use?
Rocklyn: 39-56 56th 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:6629480:2023). 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 other - recreation buildings in New York City
- Tafner Field House· 43,000 sq ft
- DPR_10145_Fort Tryon Park Building C (The Cloisters)· 41,285 sq ft
- Benchmarking Group - 102· 37,849 sq ft · EUI 62.3 kBtu/ft²
- DPR_9925_FMCP Passerelle Building· 34,558 sq ft · EUI 79.5 kBtu/ft²
- 966 Fulton Street· 34,490 sq ft · EUI 20.2 kBtu/ft²
- 135 FLAGG PLACE· 33,715 sq ft · EUI 174.4 kBtu/ft²
- Other - Recreation buildings in New York City· 264 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: 39-56 56th St's energy grade?
Rocklyn: 39-56 56th St did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 130.7 kBtu/ft².
How much energy does Rocklyn: 39-56 56th St use?
Its 2023 site energy-use intensity was 130.7 kBtu/ft² (183.9 kBtu/ft² source) across 43,755 sq ft, including 342,192 kWh of electricity and 45,513 therms of natural gas.
What are Rocklyn: 39-56 56th St's carbon emissions?
Rocklyn: 39-56 56th St reported 369 tCO₂e of greenhouse-gas emissions (8.4 kgCO₂e/ft²) for 2023.
Where is Rocklyn: 39-56 56th St?
Rocklyn: 39-56 56th St is in New York City, New York 11377. Its coordinates are 40.74716, -73.90769 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Rocklyn: 39-56 56th St and when was it built?
Rocklyn: 39-56 56th St has 43,755 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1950 as its year built. It is classed as other - recreation.
Is Rocklyn: 39-56 56th 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: 39-56 56th St, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/rocklyn-39-56-56th-st-d06025c2 (data as of October 2, 2026).