120 East 34th St Co LLC
Multifamily Housing in New York City, NY · 120 East 34th Street · 10016
At a glance
120 East 34th St Co LLC is a 310,861-square-foot multifamily housing building at 120 East 34th Street in New York City, New York, built in 1964. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 28 out of 100 (grade D), a site energy-use intensity of 101.7 kBtu/ft² and 2,535 tCO₂e of greenhouse-gas emissions. That score is higher than 16% 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 | 28 (band D) |
| Site EUI | 101.7 kBtu/ft² |
| Source EUI | 136.7 kBtu/ft² |
| GHG emissions | 2,535 tCO₂e |
| GHG intensity | 8.2 kgCO₂e/ft² |
| Electricity | 1,715,297 kWh |
| Natural gas | 23,784 therms |
| Water use | 27,917 kgal |
| Gross floor area | 310,861 sq ft |
| Source record | nyc:2817348:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 28 | -60 | 101.7 kBtu/ft² | 2,535 tCO₂e |
| 2023 | 88 | +64 | 48.6 kBtu/ft² | 1,280 tCO₂e |
| 2022 | 24 | 108.9 kBtu/ft² | 2,527 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
- 120 East 34th Street
- City
- New York City
- State
- New York
- ZIP
- 10016
- Coordinates
- 40.74666, -73.98036
Within ~1 km
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How does 120 East 34th St Co LLC 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. 120 East 34th St Co LLC's ENERGY STAR score of 28 compares with an average of 63 across the 22,829 that report a score; it scores higher than 16% of them and lower than 83%. Its site EUI of 101.7 kBtu/ft² is about 36% 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 8.2 kgCO₂e/ft² is about 57% above the group average of 5.2 kgCO₂e/ft².
At 310,861 sq ft, it is about 208% above the average floor area of 100,951 sq ft for those buildings. It was built in 1964, 12 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 120 East 34th St Co LLC's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 120 East 34th St Co LLC, covering report years 2022–2024. Its ENERGY STAR score went from 24 in 2022 to 28 in 2024 (+4 points); its best year on file was 2023, at 88. Site EUI moved from 108.9 kBtu/ft² (2022) to 101.7 kBtu/ft² (2024), a 7% decrease. Reported emissions went from 2,527 tCO₂e to 2,535 tCO₂e over the same span (up 0%).
What does an ENERGY STAR score of 28 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 28 means the building performs better than about 28% of its national peers. BuildingCensus bands the score into report-card grades; 28 falls in band D — lowest band (1–54). It sits 47 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. 120 East 34th St Co LLC's 101.7 kBtu/ft² across 310,861 sq ft works out to about 31.6 billion Btu (9,265 MWh-equivalent) in 2024. Its source EUI of 136.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,715,297 kWh of electricity, 23,784 therms of natural gas and 27,917 thousand gallons of water for the year.
Which law requires 120 East 34th St Co LLC to report its energy use?
120 East 34th St Co LLC 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:2817348:2024). 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.
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Frequently asked questions
What is 120 East 34th St Co LLC's energy grade?
120 East 34th St Co LLC scores 28 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 120 East 34th St Co LLC use?
Its 2024 site energy-use intensity was 101.7 kBtu/ft² (136.7 kBtu/ft² source) across 310,861 sq ft, including 1,715,297 kWh of electricity and 23,784 therms of natural gas.
What are 120 East 34th St Co LLC's carbon emissions?
120 East 34th St Co LLC reported 2,535 tCO₂e of greenhouse-gas emissions (8.2 kgCO₂e/ft²) for 2024.
Where is 120 East 34th St Co LLC?
120 East 34th St Co LLC is at 120 East 34th Street, in New York City, New York 10016. Its coordinates are 40.74666, -73.98036 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 120 East 34th St Co LLC and when was it built?
120 East 34th St Co LLC has 310,861 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1964 as its year built. It is classed as multifamily housing.
Is 120 East 34th St Co LLC 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, “120 East 34th St Co LLC, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/120-east-34th-st-co-llc-2617c963 (data as of October 2, 2026).