365 W. 20 Apartments Corp.
Multifamily Housing in New York City, NY · 365 West 20Th St · 10011
At a glance
365 W. 20 Apartments Corp. is a 62,638-square-foot multifamily housing building at 365 West 20Th St in New York City, New York, built in 1928. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 61 out of 100 (grade C), a site energy-use intensity of 84.8 kBtu/ft² and 344 tCO₂e of greenhouse-gas emissions. That score is higher than 42% 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 | 61 (band C) |
| Site EUI | 84.8 kBtu/ft² |
| Source EUI | 116.8 kBtu/ft² |
| GHG emissions | 344 tCO₂e |
| GHG intensity | 5.5 kgCO₂e/ft² |
| Electricity | 292,846 kWh |
| Natural gas | 40,357 therms |
| Water use | 2,797 kgal |
| Gross floor area | 62,638 sq ft |
| Source record | nyc:3531299:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 61 | -3 | 84.8 kBtu/ft² | 344 tCO₂e |
| 2022 | 64 | 90.9 kBtu/ft² | 345 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
- 365 West 20Th St
- City
- New York City
- State
- New York
- ZIP
- 10011
- Coordinates
- 40.74416, -74.00157
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 365 W. 20 Apartments Corp. 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. 365 W. 20 Apartments Corp.'s ENERGY STAR score of 61 compares with an average of 63 across the 22,829 that report a score; it scores higher than 42% of them and lower than 58%. Its site EUI of 84.8 kBtu/ft² is about 13% 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 5.5 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 62,638 sq ft, it is about 38% below the average floor area of 100,951 sq ft for those buildings. It was built in 1928, 24 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 365 W. 20 Apartments Corp.'s energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 365 W. 20 Apartments Corp., covering report years 2022–2023. Its ENERGY STAR score went from 64 in 2022 to 61 in 2023 (-3 points); its best year on file was 2022, at 64. Site EUI moved from 90.9 kBtu/ft² (2022) to 84.8 kBtu/ft² (2023), a 7% decrease. Reported emissions went from 345 tCO₂e to 344 tCO₂e over the same span (down 0%).
What does an ENERGY STAR score of 61 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 61 means the building performs better than about 61% of its national peers. BuildingCensus bands the score into report-card grades; 61 falls in band C — below median (55–69). It sits 14 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. 365 W. 20 Apartments Corp.'s 84.8 kBtu/ft² across 62,638 sq ft works out to about 5.3 billion Btu (1,557 MWh-equivalent) in 2023. Its source EUI of 116.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 292,846 kWh of electricity, 40,357 therms of natural gas and 2,797 thousand gallons of water for the year.
Which law requires 365 W. 20 Apartments Corp. to report its energy use?
365 W. 20 Apartments Corp. 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:3531299:2023). 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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Frequently asked questions
What is 365 W. 20 Apartments Corp.'s energy grade?
365 W. 20 Apartments Corp. scores 61 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 365 W. 20 Apartments Corp. use?
Its 2023 site energy-use intensity was 84.8 kBtu/ft² (116.8 kBtu/ft² source) across 62,638 sq ft, including 292,846 kWh of electricity and 40,357 therms of natural gas.
What are 365 W. 20 Apartments Corp.'s carbon emissions?
365 W. 20 Apartments Corp. reported 344 tCO₂e of greenhouse-gas emissions (5.5 kgCO₂e/ft²) for 2023.
Where is 365 W. 20 Apartments Corp.?
365 W. 20 Apartments Corp. is at 365 West 20Th St, in New York City, New York 10011. Its coordinates are 40.74416, -74.00157 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 365 W. 20 Apartments Corp. and when was it built?
365 W. 20 Apartments Corp. has 62,638 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1928 as its year built. It is classed as multifamily housing.
Is 365 W. 20 Apartments Corp. 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, “365 W. 20 Apartments Corp., New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/365-w-20-apartments-corp-35a28d31 (data as of October 2, 2026).