Maxwell: 123 East 75th St
Multifamily Housing in New York City, NY · 123 East 75th Street · 10021
At a glance
Maxwell: 123 East 75th St is a 109,870-square-foot multifamily housing building at 123 East 75th Street in New York City, New York, built in 1961. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 12 out of 100 (grade D), a site energy-use intensity of 106.2 kBtu/ft² and 782 tCO₂e of greenhouse-gas emissions. That score is higher than 8% 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 | 12 (band D) |
| Site EUI | 106.2 kBtu/ft² |
| Source EUI | 153.2 kBtu/ft² |
| GHG emissions | 782 tCO₂e |
| GHG intensity | 7.1 kgCO₂e/ft² |
| Electricity | 767,733 kWh |
| Natural gas | 90,466 therms |
| Water use | 3,658 kgal |
| Gross floor area | 109,870 sq ft |
| Source record | nyc:2719890:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 12 | -8 | 106.2 kBtu/ft² | 782 tCO₂e |
| 2023 | 20 | +6 | 90.8 kBtu/ft² | 684 tCO₂e |
| 2022 | 14 | 106.8 kBtu/ft² | 713 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
- 123 East 75th Street
- City
- New York City
- State
- New York
- ZIP
- 10021
- Coordinates
- 40.77263, -73.96138
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Maxwell: 123 East 75th St 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. Maxwell: 123 East 75th St's ENERGY STAR score of 12 compares with an average of 63 across the 22,829 that report a score; it scores higher than 8% of them and lower than 92%. Its site EUI of 106.2 kBtu/ft² is about 42% 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 7.1 kgCO₂e/ft² is about 37% above the group average of 5.2 kgCO₂e/ft².
At 109,870 sq ft, it is roughly in line with the average floor area of 100,951 sq ft for those buildings. It was built in 1961, 9 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 Maxwell: 123 East 75th St's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Maxwell: 123 East 75th St, covering report years 2022–2024. Its ENERGY STAR score went from 14 in 2022 to 12 in 2024 (-2 points); its best year on file was 2023, at 20. Site EUI moved from 106.8 kBtu/ft² (2022) to 106.2 kBtu/ft² (2024), a 1% decrease. Reported emissions went from 713 tCO₂e to 782 tCO₂e over the same span (up 10%).
What does an ENERGY STAR score of 12 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 12 means the building performs better than about 12% of its national peers. BuildingCensus bands the score into report-card grades; 12 falls in band D — lowest band (1–54). It sits 63 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. Maxwell: 123 East 75th St's 106.2 kBtu/ft² across 109,870 sq ft works out to about 11.7 billion Btu (3,420 MWh-equivalent) in 2024. Its source EUI of 153.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 767,733 kWh of electricity, 90,466 therms of natural gas and 3,658 thousand gallons of water for the year.
Which law requires Maxwell: 123 East 75th St to report its energy use?
Maxwell: 123 East 75th St 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:2719890:2024). 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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- (4578-4580) - 211 Brighton 15th Street/1511-1521 Brightwater Ave· 109,832 sq ft · score 95 (A)
- Thurman Verona Apts. Corp. I - CAMPUS· 109,800 sq ft · score 97 (A)
- The Hudson Hill Condominium (462 West 58th Street)· 109,797 sq ft
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- 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: 123 East 75th St's energy grade?
Maxwell: 123 East 75th St scores 12 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 Maxwell: 123 East 75th St use?
Its 2024 site energy-use intensity was 106.2 kBtu/ft² (153.2 kBtu/ft² source) across 109,870 sq ft, including 767,733 kWh of electricity and 90,466 therms of natural gas.
What are Maxwell: 123 East 75th St's carbon emissions?
Maxwell: 123 East 75th St reported 782 tCO₂e of greenhouse-gas emissions (7.1 kgCO₂e/ft²) for 2024.
Where is Maxwell: 123 East 75th St?
Maxwell: 123 East 75th St is at 123 East 75th Street, in New York City, New York 10021. Its coordinates are 40.77263, -73.96138 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Maxwell: 123 East 75th St and when was it built?
Maxwell: 123 East 75th St has 109,870 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1961 as its year built. It is classed as multifamily housing.
Is Maxwell: 123 East 75th St 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: 123 East 75th St, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/maxwell-123-east-75th-st-21f7f787 (data as of October 2, 2026).