66 Water St
Multifamily Housing in New York City, NY · 66 Water Street · 11201
At a glance
66 Water St is a 59,273-square-foot multifamily housing building at 66 Water Street in New York City, New York, built in 1910. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 1 out of 100 (grade D), a site energy-use intensity of 80.4 kBtu/ft² and 406 tCO₂e of greenhouse-gas emissions. That score is higher than 0% 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 | 1 (band D) |
| Site EUI | 80.4 kBtu/ft² |
| Source EUI | 157.5 kBtu/ft² |
| GHG emissions | 406 tCO₂e |
| GHG intensity | 6.9 kgCO₂e/ft² |
| Electricity | 725,511 kWh |
| Natural gas | 22,889 therms |
| Gross floor area | 59,273 sq ft |
| Source record | nyc:9498588:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 1 | ±0 | 80.4 kBtu/ft² | 406 tCO₂e |
| 2023 | 1 | -9 | 83.1 kBtu/ft² | 405 tCO₂e |
| 2022 | 10 | 71.7 kBtu/ft² | 279 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
- 66 Water Street
- City
- New York City
- State
- New York
- ZIP
- 11201
- Coordinates
- 40.70327, -73.99150
Within ~1 km
Nearby benchmarked buildings
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- 160 Front Street AKA 135 York Avenuescore 100
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- Benchmarking Group - 28score —
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- 240 SOUTH STREETscore —
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See also: most efficient in New York City · biggest emitters
How does 66 Water 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. 66 Water St's ENERGY STAR score of 1 compares with an average of 63 across the 22,829 that report a score; it scores higher than 0% of them and lower than 97%. Its site EUI of 80.4 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 6.9 kgCO₂e/ft² is about 32% above the group average of 5.2 kgCO₂e/ft².
At 59,273 sq ft, it is about 41% below the average floor area of 100,951 sq ft for those buildings. It was built in 1910, 42 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 66 Water St's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 66 Water St, covering report years 2022–2024. Its ENERGY STAR score went from 10 in 2022 to 1 in 2024 (-9 points); its best year on file was 2022, at 10. Site EUI moved from 71.7 kBtu/ft² (2022) to 80.4 kBtu/ft² (2024), an 12% increase. Reported emissions went from 279 tCO₂e to 406 tCO₂e over the same span (up 46%).
What does an ENERGY STAR score of 1 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: 1 is the bottom of the scale. BuildingCensus bands the score into report-card grades; 1 falls in band D — lowest band (1–54). It sits 74 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. 66 Water St's 80.4 kBtu/ft² across 59,273 sq ft works out to about 4.8 billion Btu (1,397 MWh-equivalent) in 2024. Its source EUI of 157.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 725,511 kWh of electricity and 22,889 therms of natural gas for the year.
Which law requires 66 Water St to report its energy use?
66 Water 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:9498588:2024). 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
- 2041 5th Avenue· 59,269 sq ft · score 70 (B)
- 303 Ave P· 59,262 sq ft · score 87 (A)
- 222 East 35th Street (Gregory House)· 59,262 sq ft · score 87 (A)
- Gilman: 461 -471 Audubon Ave· 59,257 sq ft · score 100 (A)
- Gilman: 461 AUDUBON AVE· 59,257 sq ft · score 100 (A)
- 205 WEST 145 STREET - 41971· 59,257 sq ft · score 36 (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 66 Water St's energy grade?
66 Water St scores 1 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 66 Water St use?
Its 2024 site energy-use intensity was 80.4 kBtu/ft² (157.5 kBtu/ft² source) across 59,273 sq ft, including 725,511 kWh of electricity and 22,889 therms of natural gas.
What are 66 Water St's carbon emissions?
66 Water St reported 406 tCO₂e of greenhouse-gas emissions (6.9 kgCO₂e/ft²) for 2024.
Where is 66 Water St?
66 Water St is at 66 Water Street, in New York City, New York 11201. Its coordinates are 40.70327, -73.99150 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 66 Water St and when was it built?
66 Water St has 59,273 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1910 as its year built. It is classed as multifamily housing.
Is 66 Water 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, “66 Water St, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/66-water-st-3c78fd1d (data as of October 2, 2026).