Maxwell: 20 Plaza St E
Multifamily Housing in New York City, NY · 20 Plaza Street · 11238
At a glance
Maxwell: 20 Plaza St E is a 140,395-square-foot multifamily housing building at 20 Plaza Street in New York City, New York, built in 1940. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 65.6 kBtu/ft² and 583 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 65.6 kBtu/ft² |
| Source EUI | 87.8 kBtu/ft² |
| GHG emissions | 583 tCO₂e |
| GHG intensity | 4.2 kgCO₂e/ft² |
| Electricity | 444,346 kWh |
| Natural gas | 76,932 therms |
| Water use | 2,685 kgal |
| Gross floor area | 140,395 sq ft |
| Source record | nyc:2745630:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 65.6 kBtu/ft² | 583 tCO₂e | |
| 2023 | — | 62.6 kBtu/ft² | 550 tCO₂e | |
| 2022 | 72 | 72.6 kBtu/ft² | 609 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
- 20 Plaza Street
- City
- New York City
- State
- New York
- ZIP
- 11238
- Coordinates
- 40.67553, -73.97030
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Maxwell: 20 Plaza St E 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 65.6 kBtu/ft² is about 12% 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 4.2 kgCO₂e/ft² is about 20% below the group average of 5.2 kgCO₂e/ft².
At 140,395 sq ft, it is about 39% above the average floor area of 100,951 sq ft for those buildings. It was built in 1940, 12 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 Maxwell: 20 Plaza St E's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Maxwell: 20 Plaza St E, covering report years 2022–2024. Site EUI moved from 72.6 kBtu/ft² (2022) to 65.6 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 609 tCO₂e to 583 tCO₂e over the same span (down 4%).
What does a site EUI of 65.6 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. Maxwell: 20 Plaza St E's 65.6 kBtu/ft² across 140,395 sq ft works out to about 9.2 billion Btu (2,699 MWh-equivalent) in 2024. Its source EUI of 87.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 444,346 kWh of electricity, 76,932 therms of natural gas and 2,685 thousand gallons of water for the year.
Which law requires Maxwell: 20 Plaza St E to report its energy use?
Maxwell: 20 Plaza St E 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:2745630:2024). 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
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- Triborough Pres LLC (Campos) (2126camp) - outdated· 140,360 sq ft
- 140 Warren Street· 140,335 sq ft
- 130 East 75th St Condo (130 East 75th Street)· 140,278 sq ft · score 94 (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 Maxwell: 20 Plaza St E's energy grade?
Maxwell: 20 Plaza St E did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 65.6 kBtu/ft².
How much energy does Maxwell: 20 Plaza St E use?
Its 2024 site energy-use intensity was 65.6 kBtu/ft² (87.8 kBtu/ft² source) across 140,395 sq ft, including 444,346 kWh of electricity and 76,932 therms of natural gas.
What are Maxwell: 20 Plaza St E's carbon emissions?
Maxwell: 20 Plaza St E reported 583 tCO₂e of greenhouse-gas emissions (4.2 kgCO₂e/ft²) for 2024.
Where is Maxwell: 20 Plaza St E?
Maxwell: 20 Plaza St E is at 20 Plaza Street, in New York City, New York 11238. Its coordinates are 40.67553, -73.97030 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Maxwell: 20 Plaza St E and when was it built?
Maxwell: 20 Plaza St E has 140,395 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1940 as its year built. It is classed as multifamily housing.
Is Maxwell: 20 Plaza St E 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, “Maxwell: 20 Plaza St E, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/maxwell-20-plaza-st-e-60bdc058 (data as of October 2, 2026).