Maxwell Kates : 142 EAST 71 STREET
Multifamily Housing in New York City, NY · 142 EAST 71 STREET · 10021
At a glance
Maxwell Kates : 142 EAST 71 STREET is a 88,829-square-foot multifamily housing building in New York City, New York, built in 1950. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 67.7 kBtu/ft² and 410 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 67.7 kBtu/ft² |
| Source EUI | 97.2 kBtu/ft² |
| GHG emissions | 410 tCO₂e |
| GHG intensity | 4.6 kgCO₂e/ft² |
| Electricity | 392,196 kWh |
| Natural gas | 43,179 therms |
| Gross floor area | 88,829 sq ft |
| Source record | nyc:20754066:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 67.7 kBtu/ft² | 410 tCO₂e | |
| 2023 | — | 66.6 kBtu/ft² | 398 tCO₂e | |
| 2022 | — | 77.9 kBtu/ft² | 416 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
- 142 EAST 71 STREET
- City
- New York City
- State
- New York
- ZIP
- 10021
- Coordinates
- 40.76963, -73.96247
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Maxwell Kates : 142 EAST 71 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 67.7 kBtu/ft² is roughly in line with 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 4.6 kgCO₂e/ft² is about 11% below the group average of 5.2 kgCO₂e/ft².
At 88,829 sq ft, it is about 12% below the average floor area of 100,951 sq ft for those buildings. Its 1950 construction date is close to 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 Kates : 142 EAST 71 STREET's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Maxwell Kates : 142 EAST 71 STREET, covering report years 2022–2024. Site EUI moved from 77.9 kBtu/ft² (2022) to 67.7 kBtu/ft² (2024), a 13% decrease. Reported emissions went from 416 tCO₂e to 410 tCO₂e over the same span (down 2%).
What does a site EUI of 67.7 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 Kates : 142 EAST 71 STREET's 67.7 kBtu/ft² across 88,829 sq ft works out to about 6 billion Btu (1,762 MWh-equivalent) in 2024. Its source EUI of 97.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 392,196 kWh of electricity and 43,179 therms of natural gas for the year.
Which law requires Maxwell Kates : 142 EAST 71 STREET to report its energy use?
Maxwell Kates : 142 EAST 71 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:20754066:2024). 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
- 1255 Fifth Avenue Condominium· 88,819 sq ft · score 72 (B)
- The Nevins Condominium (319 Schermerhorn Street)· 88,815 sq ft · score 86 (A)
- 2140 Cruger Avenue· 88,810 sq ft · score 47 (D)
- E&M 1562 OCEAN AVE· 88,808 sq ft · score 65 (C)
- 248 North 8th Street· 88,797 sq ft · score 59 (C)
- Rego Park Gardens Owners Corp (9430 60th Ave)· 88,783 sq ft · score 50 (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 Maxwell Kates : 142 EAST 71 STREET's energy grade?
Maxwell Kates : 142 EAST 71 STREET did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 67.7 kBtu/ft².
How much energy does Maxwell Kates : 142 EAST 71 STREET use?
Its 2024 site energy-use intensity was 67.7 kBtu/ft² (97.2 kBtu/ft² source) across 88,829 sq ft, including 392,196 kWh of electricity and 43,179 therms of natural gas.
What are Maxwell Kates : 142 EAST 71 STREET's carbon emissions?
Maxwell Kates : 142 EAST 71 STREET reported 410 tCO₂e of greenhouse-gas emissions (4.6 kgCO₂e/ft²) for 2024.
Where is Maxwell Kates : 142 EAST 71 STREET?
Maxwell Kates : 142 EAST 71 STREET is in New York City, New York 10021. Its coordinates are 40.76963, -73.96247 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Maxwell Kates : 142 EAST 71 STREET and when was it built?
Maxwell Kates : 142 EAST 71 STREET has 88,829 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1950 as its year built. It is classed as multifamily housing.
Is Maxwell Kates : 142 EAST 71 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, “Maxwell Kates : 142 EAST 71 STREET, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/maxwell-kates-142-east-71-street-d58666a8 (data as of October 2, 2026).