33-64 21 Street
Multifamily Housing in New York City, NY · 11106
At a glance
33-64 21 Street is a 442,628-square-foot multifamily housing building in New York City, New York, built in 1958. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 57 out of 100 (grade C), a site energy-use intensity of 77.1 kBtu/ft² and 2,171 tCO₂e of greenhouse-gas emissions. That score is higher than 38% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 57 (band C) |
| Site EUI | 77.1 kBtu/ft² |
| Source EUI | 103.8 kBtu/ft² |
| GHG emissions | 2,171 tCO₂e |
| GHG intensity | 4.9 kgCO₂e/ft² |
| Electricity | 1,691,555 kWh |
| Natural gas | 283,631 therms |
| Water use | 19,634 kgal |
| Gross floor area | 442,628 sq ft |
| Source record | nyc:20636784:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 57 | -13 | 77.1 kBtu/ft² | 2,171 tCO₂e |
| 2023 | 70 | +9 | 66.8 kBtu/ft² | 2,047 tCO₂e |
| 2022 | 61 | 79.4 kBtu/ft² | 2,059 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
- 33-64 21 Street
- City
- New York City
- State
- New York
- ZIP
- 11106
- Coordinates
- 40.76344, -73.93341
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 33-64 21 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. 33-64 21 Street's ENERGY STAR score of 57 compares with an average of 63 across the 22,829 that report a score; it scores higher than 38% of them and lower than 61%. Its site EUI of 77.1 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 4.9 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 442,628 sq ft, it is about 338% above the average floor area of 100,951 sq ft for those buildings. It was built in 1958, 6 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 33-64 21 Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 33-64 21 Street, covering report years 2022–2024. Its ENERGY STAR score went from 61 in 2022 to 57 in 2024 (-4 points); its best year on file was 2023, at 70. Site EUI moved from 79.4 kBtu/ft² (2022) to 77.1 kBtu/ft² (2024), a 3% decrease. Reported emissions went from 2,059 tCO₂e to 2,171 tCO₂e over the same span (up 5%).
What does an ENERGY STAR score of 57 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 57 means the building performs better than about 57% of its national peers. BuildingCensus bands the score into report-card grades; 57 falls in band C — below median (55–69). It sits 18 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. 33-64 21 Street's 77.1 kBtu/ft² across 442,628 sq ft works out to about 34.1 billion Btu (10,002 MWh-equivalent) in 2024. Its source EUI of 103.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,691,555 kWh of electricity, 283,631 therms of natural gas and 19,634 thousand gallons of water for the year.
Which law requires 33-64 21 Street to report its energy use?
33-64 21 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:20636784:2024). 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
- 100 Terrace Avenue· 442,569 sq ft · score 3 (D)
- Bronx Commons· 442,528 sq ft · score 94 (A)
- 626 Riverside Dr· 442,500 sq ft · score 93 (A)
- Lovett - CAMPUS - 150-38 / 152-18 Union Turnpike· 442,123 sq ft · EUI 45.8 kBtu/ft²
- FOREST HILLS COOP (108TH STREET-62ND DRIVE)· 441,650 sq ft
- BETANCES IV/BETANCES V CAMPUS· 440,900 sq ft · score 100 (A)
- 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 33-64 21 Street's energy grade?
33-64 21 Street scores 57 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 33-64 21 Street use?
Its 2024 site energy-use intensity was 77.1 kBtu/ft² (103.8 kBtu/ft² source) across 442,628 sq ft, including 1,691,555 kWh of electricity and 283,631 therms of natural gas.
What are 33-64 21 Street's carbon emissions?
33-64 21 Street reported 2,171 tCO₂e of greenhouse-gas emissions (4.9 kgCO₂e/ft²) for 2024.
Where is 33-64 21 Street?
33-64 21 Street is in New York City, New York 11106. Its coordinates are 40.76344, -73.93341 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 33-64 21 Street and when was it built?
33-64 21 Street has 442,628 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1958 as its year built. It is classed as multifamily housing.
Is 33-64 21 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, “33-64 21 Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/33-64-21-street-125f1cc3 (data as of October 2, 2026).