5010 REALTY: 50-08 39th St
Multifamily Housing in New York City, NY · 50-08 39th St · 11104
At a glance
5010 REALTY: 50-08 39th St is a 36,034-square-foot multifamily housing 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 31.1 kBtu/ft² and 75 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 31.1 kBtu/ft² |
| Source EUI | 46.1 kBtu/ft² |
| GHG emissions | 75 tCO₂e |
| GHG intensity | 2.1 kgCO₂e/ft² |
| Electricity | 81,257 kWh |
| Natural gas | 8,444 therms |
| Gross floor area | 36,034 sq ft |
| Source record | nyc:14909927:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 31.1 kBtu/ft² | 75 tCO₂e | |
| 2022 | — | 3.8 kBtu/ft² | 7 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
- 50-08 39th St
- City
- New York City
- State
- New York
- ZIP
- 11104
- Coordinates
- 40.73797, -73.92737
Within ~1 km
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- 47-25 34th Streetscore —
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See also: most efficient in New York City · biggest emitters
How does 5010 REALTY: 50-08 39th St compare with other multifamily housing buildings in New York City?
The latest disclosures cover 33,022 multifamily housing buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 31.1 kBtu/ft² is about 58% below the average of 74.9 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 60% below the group average of 5.2 kgCO₂e/ft².
At 36,034 sq ft, it is about 64% below the average floor area of 100,951 sq ft for those buildings. Its 1950 construction date is close to the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has 5010 REALTY: 50-08 39th St's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 5010 REALTY: 50-08 39th St, covering report years 2022–2023. Site EUI moved from 3.8 kBtu/ft² (2022) to 31.1 kBtu/ft² (2023), an 718% increase. Reported emissions went from 7 tCO₂e to 75 tCO₂e over the same span (up 927%).
What does a site EUI of 31.1 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. 5010 REALTY: 50-08 39th St's 31.1 kBtu/ft² across 36,034 sq ft works out to about 1.1 billion Btu (328 MWh-equivalent) in 2023. Its source EUI of 46.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 81,257 kWh of electricity and 8,444 therms of natural gas for the year.
Which law requires 5010 REALTY: 50-08 39th St to report its energy use?
5010 REALTY: 50-08 39th 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:14909927:2023). 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 multifamily housing buildings in New York City
- 437 Fulton Street· 36,030 sq ft · score 1 (D)
- Cornerstone: 300 W 14· 36,024 sq ft · EUI 61.4 kBtu/ft²
- 160 Towers Condo· 36,023 sq ft · score 96 (A)
- 207 East 37th Street - 1020335· 36,020 sq ft · score 4 (D)
- 59 4th Avenue· 36,016 sq ft · EUI 113.9 kBtu/ft²
- Townhouse Mgmt: 435 East 86th· 36,013 sq ft · EUI 43.4 kBtu/ft²
- Multifamily Housing buildings in New York City· 33,022 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 5010 REALTY: 50-08 39th St's energy grade?
5010 REALTY: 50-08 39th St did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 31.1 kBtu/ft².
How much energy does 5010 REALTY: 50-08 39th St use?
Its 2023 site energy-use intensity was 31.1 kBtu/ft² (46.1 kBtu/ft² source) across 36,034 sq ft, including 81,257 kWh of electricity and 8,444 therms of natural gas.
What are 5010 REALTY: 50-08 39th St's carbon emissions?
5010 REALTY: 50-08 39th St reported 75 tCO₂e of greenhouse-gas emissions (2.1 kgCO₂e/ft²) for 2023.
Where is 5010 REALTY: 50-08 39th St?
5010 REALTY: 50-08 39th St is in New York City, New York 11104. Its coordinates are 40.73797, -73.92737 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 5010 REALTY: 50-08 39th St and when was it built?
5010 REALTY: 50-08 39th St has 36,034 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1950 as its year built. It is classed as multifamily housing.
Is 5010 REALTY: 50-08 39th 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).
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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, “5010 REALTY: 50-08 39th St, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/5010-realty-50-08-39th-st-96ef2e49 (data as of October 2, 2026).