8101-09: 8101 20th Ave.
Multifamily Housing in New York City, NY · 8101 20th Avenue · 11214
At a glance
8101-09: 8101 20th Ave. is a 32,100-square-foot multifamily housing building at 8101 20th Avenue in New York City, New York, built in 1921. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 32 out of 100 (grade D), a site energy-use intensity of 97.0 kBtu/ft² and 185 tCO₂e of greenhouse-gas emissions. That score is higher than 18% 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 | 32 (band D) |
| Site EUI | 97.0 kBtu/ft² |
| Source EUI | 119.3 kBtu/ft² |
| GHG emissions | 185 tCO₂e |
| GHG intensity | 5.8 kgCO₂e/ft² |
| Electricity | 93,912 kWh |
| Natural gas | 27,926 therms |
| Water use | 3,692 kgal |
| Gross floor area | 32,100 sq ft |
| Source record | nyc:8675859:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 32 | -5 | 97.0 kBtu/ft² | 185 tCO₂e |
| 2023 | 37 | -9 | 94.0 kBtu/ft² | 177 tCO₂e |
| 2022 | 46 | 97.3 kBtu/ft² | 176 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
- 8101 20th Avenue
- City
- New York City
- State
- New York
- ZIP
- 11214
- Coordinates
- 40.60736, -73.99538
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 8101-09: 8101 20th Ave. 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. 8101-09: 8101 20th Ave.'s ENERGY STAR score of 32 compares with an average of 63 across the 22,829 that report a score; it scores higher than 18% of them and lower than 81%. Its site EUI of 97.0 kBtu/ft² is about 30% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 5.8 kgCO₂e/ft² is about 11% above the group average of 5.2 kgCO₂e/ft².
At 32,100 sq ft, it is about 68% below the average floor area of 100,951 sq ft for those buildings. It was built in 1921, 31 years earlier 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 8101-09: 8101 20th Ave.'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 8101-09: 8101 20th Ave., covering report years 2022–2024. Its ENERGY STAR score went from 46 in 2022 to 32 in 2024 (-14 points); its best year on file was 2022, at 46. Site EUI moved from 97.3 kBtu/ft² (2022) to 97.0 kBtu/ft² (2024), a 0% decrease. Reported emissions went from 176 tCO₂e to 185 tCO₂e over the same span (up 5%).
What does an ENERGY STAR score of 32 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 32 means the building performs better than about 32% of its national peers. BuildingCensus bands the score into report-card grades; 32 falls in band D — lowest band (1–54). It sits 43 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. 8101-09: 8101 20th Ave.'s 97.0 kBtu/ft² across 32,100 sq ft works out to about 3.1 billion Btu (913 MWh-equivalent) in 2024. 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 93,912 kWh of electricity, 27,926 therms of natural gas and 3,692 thousand gallons of water for the year.
Which law requires 8101-09: 8101 20th Ave. to report its energy use?
8101-09: 8101 20th Ave. 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:8675859:2024). 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
- 2236 AMSTERDAM AVENUE· 32,092 sq ft · EUI 196.5 kBtu/ft²
- 501 West 171st Street Realty Corp : 501 WEST 171 STREET· 32,092 sq ft · score 2 (D)
- Andrews: 211 West Broadway· 32,081 sq ft · EUI 109.8 kBtu/ft²
- 148 N 10 OWNER, LLC· 32,080 sq ft · score 100 (A)
- 1745 Eastburn Avenue· 32,075 sq ft · score 47 (D)
- 227-229 East 25th Street· 32,070 sq ft · score 48 (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 8101-09: 8101 20th Ave.'s energy grade?
8101-09: 8101 20th Ave. scores 32 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 8101-09: 8101 20th Ave. use?
Its 2024 site energy-use intensity was 97.0 kBtu/ft² (119.3 kBtu/ft² source) across 32,100 sq ft, including 93,912 kWh of electricity and 27,926 therms of natural gas.
What are 8101-09: 8101 20th Ave.'s carbon emissions?
8101-09: 8101 20th Ave. reported 185 tCO₂e of greenhouse-gas emissions (5.8 kgCO₂e/ft²) for 2024.
Where is 8101-09: 8101 20th Ave.?
8101-09: 8101 20th Ave. is at 8101 20th Avenue, in New York City, New York 11214. Its coordinates are 40.60736, -73.99538 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 8101-09: 8101 20th Ave. and when was it built?
8101-09: 8101 20th Ave. has 32,100 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1921 as its year built. It is classed as multifamily housing.
Is 8101-09: 8101 20th Ave. 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, “8101-09: 8101 20th Ave., New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/8101-09-8101-20th-ave-f3d52222 (data as of October 2, 2026).