Colby: 9 Windham Loop
Multifamily Housing in New York City, NY · 9 Windham Loop · 10314
At a glance
Colby: 9 Windham Loop is a 188,806-square-foot multifamily housing building in New York City, New York, built in 1981. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 31.2 kBtu/ft² and 640 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 31.2 kBtu/ft² |
| Source EUI | 87.3 kBtu/ft² |
| GHG emissions | 640 tCO₂e |
| GHG intensity | 3.4 kgCO₂e/ft² |
| Electricity | 1,724,646 kWh |
| Water use | 7,261 kgal |
| Gross floor area | 188,806 sq ft |
| Source record | nyc:6282555:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 31.2 kBtu/ft² | 640 tCO₂e | |
| 2022 | — | 35.9 kBtu/ft² | 572 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
- 9 Windham Loop
- City
- New York City
- State
- New York
- ZIP
- 10314
- Coordinates
- 40.57811, -74.16286
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Colby: 9 Windham Loop 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 31.2 kBtu/ft² is about 58% 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 3.4 kgCO₂e/ft² is about 35% below the group average of 5.2 kgCO₂e/ft².
At 188,806 sq ft, it is about 87% above the average floor area of 100,951 sq ft for those buildings. It was built in 1981, 29 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 Colby: 9 Windham Loop's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Colby: 9 Windham Loop, covering report years 2022–2023. Site EUI moved from 35.9 kBtu/ft² (2022) to 31.2 kBtu/ft² (2023), a 13% decrease. Reported emissions went from 572 tCO₂e to 640 tCO₂e over the same span (up 12%).
What does a site EUI of 31.2 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. Colby: 9 Windham Loop's 31.2 kBtu/ft² across 188,806 sq ft works out to about 5.9 billion Btu (1,726 MWh-equivalent) in 2023. Its source EUI of 87.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,724,646 kWh of electricity and 7,261 thousand gallons of water for the year.
Which law requires Colby: 9 Windham Loop to report its energy use?
Colby: 9 Windham Loop 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 2023 disclosure (source record nyc:6282555:2023). 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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- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
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Frequently asked questions
What is Colby: 9 Windham Loop's energy grade?
Colby: 9 Windham Loop did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 31.2 kBtu/ft².
How much energy does Colby: 9 Windham Loop use?
Its 2023 site energy-use intensity was 31.2 kBtu/ft² (87.3 kBtu/ft² source) across 188,806 sq ft, including 1,724,646 kWh of electricity.
What are Colby: 9 Windham Loop's carbon emissions?
Colby: 9 Windham Loop reported 640 tCO₂e of greenhouse-gas emissions (3.4 kgCO₂e/ft²) for 2023.
Where is Colby: 9 Windham Loop?
Colby: 9 Windham Loop is in New York City, New York 10314. Its coordinates are 40.57811, -74.16286 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Colby: 9 Windham Loop and when was it built?
Colby: 9 Windham Loop has 188,806 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1981 as its year built. It is classed as multifamily housing.
Is Colby: 9 Windham Loop covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “Colby: 9 Windham Loop, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/colby-9-windham-loop-62fc5e52 (data as of October 2, 2026).