Beach 21st Street
Multifamily Housing in New York City, NY · 10-45 Beach 21St Street · 11691
At a glance
Beach 21st Street is a 254,924-square-foot multifamily housing building at 10-45 Beach 21St Street in New York City, New York, built in 2022. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 49.4 kBtu/ft² and 1,086 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 49.4 kBtu/ft² |
| Source EUI | 98.0 kBtu/ft² |
| GHG emissions | 1,086 tCO₂e |
| GHG intensity | 4.3 kgCO₂e/ft² |
| Electricity | 1,971,493 kWh |
| Natural gas | 58,644 therms |
| Gross floor area | 254,924 sq ft |
| Source record | nyc:26663941:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 49.4 kBtu/ft² | 1,086 tCO₂e | |
| 2023 | 87 | 41.5 kBtu/ft² | 916 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
- 10-45 Beach 21St Street
- City
- New York City
- State
- New York
- ZIP
- 11691
- Coordinates
- 40.60332, -73.75387
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Beach 21st 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. Its site EUI of 49.4 kBtu/ft² is about 34% 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 4.3 kgCO₂e/ft² is about 18% below the group average of 5.2 kgCO₂e/ft².
At 254,924 sq ft, it is about 153% above the average floor area of 100,951 sq ft for those buildings. It was built in 2022, 70 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 Beach 21st Street's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Beach 21st Street, covering report years 2023–2024. Site EUI moved from 41.5 kBtu/ft² (2023) to 49.4 kBtu/ft² (2024), an 19% increase. Reported emissions went from 916 tCO₂e to 1,086 tCO₂e over the same span (up 19%).
What does a site EUI of 49.4 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. Beach 21st Street's 49.4 kBtu/ft² across 254,924 sq ft works out to about 12.6 billion Btu (3,691 MWh-equivalent) in 2024. Its source EUI of 98.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,971,493 kWh of electricity and 58,644 therms of natural gas for the year.
Which law requires Beach 21st Street to report its energy use?
Beach 21st 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 2024 disclosure (source record nyc:26663941:2024). 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 multifamily housing buildings in New York City
- 515 West 38th Street (Henry Hall)· 254,920 sq ft · score 22 (D)
- Orsid - 160 East 65th Street· 254,907 sq ft · score 15 (D)
- Metro - 69-17 150th Street - PARENT· 254,900 sq ft · score 73 (B)
- RUDD REALTY MANAGEMENT CORP : 420 East 72 Street· 254,853 sq ft · score 91 (A)
- Cadillac_123-60 83rd Avenue· 254,813 sq ft · EUI 50.0 kBtu/ft²
- Rochdale Village - 4436332· 254,803 sq ft · score 1 (D)
- 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 Beach 21st Street's energy grade?
Beach 21st Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 49.4 kBtu/ft².
How much energy does Beach 21st Street use?
Its 2024 site energy-use intensity was 49.4 kBtu/ft² (98.0 kBtu/ft² source) across 254,924 sq ft, including 1,971,493 kWh of electricity and 58,644 therms of natural gas.
What are Beach 21st Street's carbon emissions?
Beach 21st Street reported 1,086 tCO₂e of greenhouse-gas emissions (4.3 kgCO₂e/ft²) for 2024.
Where is Beach 21st Street?
Beach 21st Street is at 10-45 Beach 21St Street, in New York City, New York 11691. Its coordinates are 40.60332, -73.75387 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Beach 21st Street and when was it built?
Beach 21st Street has 254,924 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2022 as its year built. It is classed as multifamily housing.
Is Beach 21st Street 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).
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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, “Beach 21st Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/beach-21st-street-8805276f (data as of October 2, 2026).