Fifty-First Beekman Corp. - 420 East 51st Street
Multifamily Housing in New York City, NY · 420 East 51st Street · 10022
At a glance
Fifty-First Beekman Corp. - 420 East 51st Street is a 158,413-square-foot multifamily housing building in New York City, New York, built in 1962. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 38 out of 100 (grade D), a site energy-use intensity of 76.5 kBtu/ft² and 917 tCO₂e of greenhouse-gas emissions. That score is higher than 22% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 38 (band D) |
| Site EUI | 76.5 kBtu/ft² |
| Source EUI | 119.3 kBtu/ft² |
| GHG emissions | 917 tCO₂e |
| GHG intensity | 5.8 kgCO₂e/ft² |
| Electricity | 802,249 kWh |
| Natural gas | 2,935 therms |
| Water use | 5,916 kgal |
| Gross floor area | 158,413 sq ft |
| Source record | nyc:4392817:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 38 | +17 | 76.5 kBtu/ft² | 917 tCO₂e |
| 2022 | 21 | 95.6 kBtu/ft² | 1,056 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
- 420 East 51st Street
- City
- New York City
- State
- New York
- ZIP
- 10022
- Coordinates
- 40.75418, -73.96494
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Fifty-First Beekman Corp. - 420 East 51st Street 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. Fifty-First Beekman Corp. - 420 East 51st Street's ENERGY STAR score of 38 compares with an average of 63 across the 22,829 that report a score; it scores higher than 22% of them and lower than 77%. Its site EUI of 76.5 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 5.8 kgCO₂e/ft² is about 12% above the group average of 5.2 kgCO₂e/ft².
At 158,413 sq ft, it is about 57% above the average floor area of 100,951 sq ft for those buildings. It was built in 1962, 10 years later than 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 Fifty-First Beekman Corp. - 420 East 51st Street's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Fifty-First Beekman Corp. - 420 East 51st Street, covering report years 2022–2023. Its ENERGY STAR score went from 21 in 2022 to 38 in 2023 (+17 points). Site EUI moved from 95.6 kBtu/ft² (2022) to 76.5 kBtu/ft² (2023), a 20% decrease. Reported emissions went from 1,056 tCO₂e to 917 tCO₂e over the same span (down 13%).
What does an ENERGY STAR score of 38 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 38 means the building performs better than about 38% of its national peers. BuildingCensus bands the score into report-card grades; 38 falls in band D — lowest band (1–54). It sits 37 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. Fifty-First Beekman Corp. - 420 East 51st Street's 76.5 kBtu/ft² across 158,413 sq ft works out to about 12.1 billion Btu (3,552 MWh-equivalent) in 2023. Its source EUI of 119.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 802,249 kWh of electricity, 2,935 therms of natural gas and 5,916 thousand gallons of water for the year.
Which law requires Fifty-First Beekman Corp. - 420 East 51st Street to report its energy use?
Fifty-First Beekman Corp. - 420 East 51st Street 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:4392817:2023). 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
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- OneVesta Property Management: 134-54 Maple Ave· 158,250 sq ft · score 2 (D)
- 4861 Bway· 158,247 sq ft · EUI 118.8 kBtu/ft²
- The Daniel Webster Owners Corp· 158,230 sq ft · score 73 (B)
- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
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Frequently asked questions
What is Fifty-First Beekman Corp. - 420 East 51st Street's energy grade?
Fifty-First Beekman Corp. - 420 East 51st Street scores 38 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Fifty-First Beekman Corp. - 420 East 51st Street use?
Its 2023 site energy-use intensity was 76.5 kBtu/ft² (119.3 kBtu/ft² source) across 158,413 sq ft, including 802,249 kWh of electricity and 2,935 therms of natural gas.
What are Fifty-First Beekman Corp. - 420 East 51st Street's carbon emissions?
Fifty-First Beekman Corp. - 420 East 51st Street reported 917 tCO₂e of greenhouse-gas emissions (5.8 kgCO₂e/ft²) for 2023.
Where is Fifty-First Beekman Corp. - 420 East 51st Street?
Fifty-First Beekman Corp. - 420 East 51st Street is in New York City, New York 10022. Its coordinates are 40.75418, -73.96494 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Fifty-First Beekman Corp. - 420 East 51st Street and when was it built?
Fifty-First Beekman Corp. - 420 East 51st Street has 158,413 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1962 as its year built. It is classed as multifamily housing.
Is Fifty-First Beekman Corp. - 420 East 51st Street 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, “Fifty-First Beekman Corp. - 420 East 51st Street, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/fifty-first-beekman-corp-420-east-51st-street-daf4d689 (data as of October 2, 2026).