CM 1535 UNDERCLIFF LL
Multifamily Housing in New York City, NY · 1535 Undercliff Ave · 10453
At a glance
CM 1535 UNDERCLIFF LL is a 182,882-square-foot multifamily housing building at 1535 Undercliff Ave in New York City, New York, built in 1930. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 71 out of 100 (grade B), a site energy-use intensity of 67.8 kBtu/ft² and 790 tCO₂e of greenhouse-gas emissions. That score is higher than 52% 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 | 71 (band B) |
| Site EUI | 67.8 kBtu/ft² |
| Source EUI | 91.5 kBtu/ft² |
| GHG emissions | 790 tCO₂e |
| GHG intensity | 4.3 kgCO₂e/ft² |
| Electricity | 621,595 kWh |
| Natural gas | 102,799 therms |
| Water use | 11,643 kgal |
| Gross floor area | 182,882 sq ft |
| Source record | nyc:18178126:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 71 | +6 | 67.8 kBtu/ft² | 790 tCO₂e |
| 2023 | 65 | +6 | 69.1 kBtu/ft² | 788 tCO₂e |
| 2022 | 59 | 77.8 kBtu/ft² | 827 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
- 1535 Undercliff Ave
- City
- New York City
- State
- New York
- ZIP
- 10453
- Coordinates
- 40.84655, -73.92373
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does CM 1535 UNDERCLIFF LL 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. CM 1535 UNDERCLIFF LL's ENERGY STAR score of 71 compares with an average of 63 across the 22,829 that report a score; it scores higher than 52% of them and lower than 47%. Its site EUI of 67.8 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 4.3 kgCO₂e/ft² is about 17% below the group average of 5.2 kgCO₂e/ft².
At 182,882 sq ft, it is about 81% above the average floor area of 100,951 sq ft for those buildings. It was built in 1930, 22 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 CM 1535 UNDERCLIFF LL's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for CM 1535 UNDERCLIFF LL, covering report years 2022–2024. Its ENERGY STAR score went from 59 in 2022 to 71 in 2024 (+12 points). Site EUI moved from 77.8 kBtu/ft² (2022) to 67.8 kBtu/ft² (2024), a 13% decrease. Reported emissions went from 827 tCO₂e to 790 tCO₂e over the same span (down 4%).
What does an ENERGY STAR score of 71 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 71 means the building performs better than about 71% of its national peers. BuildingCensus bands the score into report-card grades; 71 falls in band B — above median (70–84). It sits 4 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. CM 1535 UNDERCLIFF LL's 67.8 kBtu/ft² across 182,882 sq ft works out to about 12.4 billion Btu (3,634 MWh-equivalent) in 2024. Its source EUI of 91.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 621,595 kWh of electricity, 102,799 therms of natural gas and 11,643 thousand gallons of water for the year.
Which law requires CM 1535 UNDERCLIFF LL to report its energy use?
CM 1535 UNDERCLIFF LL 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:18178126:2024). 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
- Murray Hill Manor Co.: 166 East 34th Street· 182,767 sq ft · score 57 (C)
- 166 East 34th Street· 182,767 sq ft · score 51 (D)
- AAG: 2161 Broadway· 182,757 sq ft · EUI 16.9 kBtu/ft²
- Stuytown - 510 EAST 20 STREET· 182,730 sq ft
- 55 Liberty Owners Corp. (55 Liberty Street)· 182,718 sq ft · score 50 (D)
- 2400 East 3rd Street· 182,711 sq ft · score 99 (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 CM 1535 UNDERCLIFF LL's energy grade?
CM 1535 UNDERCLIFF LL scores 71 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does CM 1535 UNDERCLIFF LL use?
Its 2024 site energy-use intensity was 67.8 kBtu/ft² (91.5 kBtu/ft² source) across 182,882 sq ft, including 621,595 kWh of electricity and 102,799 therms of natural gas.
What are CM 1535 UNDERCLIFF LL's carbon emissions?
CM 1535 UNDERCLIFF LL reported 790 tCO₂e of greenhouse-gas emissions (4.3 kgCO₂e/ft²) for 2024.
Where is CM 1535 UNDERCLIFF LL?
CM 1535 UNDERCLIFF LL is at 1535 Undercliff Ave, in New York City, New York 10453. Its coordinates are 40.84655, -73.92373 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is CM 1535 UNDERCLIFF LL and when was it built?
CM 1535 UNDERCLIFF LL has 182,882 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1930 as its year built. It is classed as multifamily housing.
Is CM 1535 UNDERCLIFF LL 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, “CM 1535 UNDERCLIFF LL, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/cm-1535-undercliff-ll-65c16247 (data as of October 2, 2026).