MILL BROOK EXTENSION (SITE 10) - 2025480042
Multifamily Housing in New York City, NY · 169 CYPRESS AVENUE · 10454
At a glance
MILL BROOK EXTENSION (SITE 10) - 2025480042 is a 129,600-square-foot multifamily housing building at 169 CYPRESS AVENUE in New York City, New York, built in 1962. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 25.7 kBtu/ft² and 358 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 25.7 kBtu/ft² |
| Source EUI | 66.4 kBtu/ft² |
| GHG emissions | 358 tCO₂e |
| GHG intensity | 2.8 kgCO₂e/ft² |
| Electricity | 857,082 kWh |
| Natural gas | 4,010 therms |
| Gross floor area | 129,600 sq ft |
| Source record | nyc:2831121:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 25.7 kBtu/ft² | 358 tCO₂e | |
| 2023 | — | 24.3 kBtu/ft² | 327 tCO₂e | |
| 2022 | 100 | 27.3 kBtu/ft² | 286 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 169 CYPRESS AVENUE
- City
- New York City
- State
- New York
- ZIP
- 10454
- Coordinates
- 40.80390, -73.91573
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does MILL BROOK EXTENSION (SITE 10) - 2025480042 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 25.7 kBtu/ft² is about 66% 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 2.8 kgCO₂e/ft² is about half of the group average of 5.2 kgCO₂e/ft².
At 129,600 sq ft, it is about 28% above the average floor area of 100,951 sq ft for those buildings. It was built in 1962, 10 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 MILL BROOK EXTENSION (SITE 10) - 2025480042's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for MILL BROOK EXTENSION (SITE 10) - 2025480042, covering report years 2022–2024. Site EUI moved from 27.3 kBtu/ft² (2022) to 25.7 kBtu/ft² (2024), a 6% decrease. Reported emissions went from 286 tCO₂e to 358 tCO₂e over the same span (up 25%).
What does a site EUI of 25.7 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. MILL BROOK EXTENSION (SITE 10) - 2025480042's 25.7 kBtu/ft² across 129,600 sq ft works out to about 3.3 billion Btu (976 MWh-equivalent) in 2024. Its source EUI of 66.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 857,082 kWh of electricity and 4,010 therms of natural gas for the year.
Which law requires MILL BROOK EXTENSION (SITE 10) - 2025480042 to report its energy use?
MILL BROOK EXTENSION (SITE 10) - 2025480042 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:2831121:2024). 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
- 529 West 29th Street (wh34)· 129,591 sq ft · score 95 (A)
- 125 Borinquen Place· 129,573 sq ft · score 54 (D)
- 910 Grand Concourse· 129,555 sq ft · score 82 (B)
- 1428 FULTON ST LLC· 129,505 sq ft · score 89 (A)
- MARBLE HILL - Bldg 10· 129,500 sq ft
- Halstead - 180 6th Ave - One VanDam· 129,443 sq ft · score 80 (B)
- 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 MILL BROOK EXTENSION (SITE 10) - 2025480042's energy grade?
MILL BROOK EXTENSION (SITE 10) - 2025480042 did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 25.7 kBtu/ft².
How much energy does MILL BROOK EXTENSION (SITE 10) - 2025480042 use?
Its 2024 site energy-use intensity was 25.7 kBtu/ft² (66.4 kBtu/ft² source) across 129,600 sq ft, including 857,082 kWh of electricity and 4,010 therms of natural gas.
What are MILL BROOK EXTENSION (SITE 10) - 2025480042's carbon emissions?
MILL BROOK EXTENSION (SITE 10) - 2025480042 reported 358 tCO₂e of greenhouse-gas emissions (2.8 kgCO₂e/ft²) for 2024.
Where is MILL BROOK EXTENSION (SITE 10) - 2025480042?
MILL BROOK EXTENSION (SITE 10) - 2025480042 is at 169 CYPRESS AVENUE, in New York City, New York 10454. Its coordinates are 40.80390, -73.91573 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is MILL BROOK EXTENSION (SITE 10) - 2025480042 and when was it built?
MILL BROOK EXTENSION (SITE 10) - 2025480042 has 129,600 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1962 as its year built. It is classed as multifamily housing.
Is MILL BROOK EXTENSION (SITE 10) - 2025480042 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, “MILL BROOK EXTENSION (SITE 10) - 2025480042, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/mill-brook-extension-site-10-2025480042-1501858e (data as of October 2, 2026).