266 KEAP ST.OWNERS CO
Multifamily Housing in New York City, NY · 266 KEAP STREET · 11211
At a glance
266 KEAP ST.OWNERS CO is a 31,255-square-foot multifamily housing building at 266 KEAP STREET in New York City, New York, built in 1915. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 39.1 kBtu/ft² and 99 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 39.1 kBtu/ft² |
| Source EUI | 71.8 kBtu/ft² |
| GHG emissions | 99 tCO₂e |
| GHG intensity | 3.2 kgCO₂e/ft² |
| Electricity | 161,254 kWh |
| Natural gas | 6,706 therms |
| Water use | 1,799 kgal |
| Gross floor area | 31,255 sq ft |
| Source record | nyc:6616260:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 39.1 kBtu/ft² | 99 tCO₂e | |
| 2023 | — | 36.7 kBtu/ft² | 89 tCO₂e | |
| 2022 | — | 42.7 kBtu/ft² | 88 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
- 266 KEAP STREET
- City
- New York City
- State
- New York
- ZIP
- 11211
- Coordinates
- 40.70652, -73.95616
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 266 KEAP ST.OWNERS CO 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 39.1 kBtu/ft² is about half of 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 3.2 kgCO₂e/ft² is about 39% below the group average of 5.2 kgCO₂e/ft².
At 31,255 sq ft, it is about 69% below the average floor area of 100,951 sq ft for those buildings. It was built in 1915, 37 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 266 KEAP ST.OWNERS CO's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 266 KEAP ST.OWNERS CO, covering report years 2022–2024. Site EUI moved from 42.7 kBtu/ft² (2022) to 39.1 kBtu/ft² (2024), a 8% decrease. Reported emissions went from 88 tCO₂e to 99 tCO₂e over the same span (up 12%).
What does a site EUI of 39.1 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. 266 KEAP ST.OWNERS CO's 39.1 kBtu/ft² across 31,255 sq ft works out to about 1.2 billion Btu (358 MWh-equivalent) in 2024. Its source EUI of 71.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 161,254 kWh of electricity, 6,706 therms of natural gas and 1,799 thousand gallons of water for the year.
Which law requires 266 KEAP ST.OWNERS CO to report its energy use?
266 KEAP ST.OWNERS CO 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:6616260:2024). 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
- 449 Audubon Avenue· 31,250 sq ft · score 8 (D)
- VP: 58 E 190th St· 31,237 sq ft · score 56 (C)
- Kerem - 875 43 Street· 31,236 sq ft · score 36 (D)
- 875 43 STREET· 31,236 sq ft · score 52 (D)
- 450 MANHATTAN AVENUE· 31,232 sq ft · score 97 (A)
- Stahl York (416 East 65th Street)· 31,226 sq ft
- 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 266 KEAP ST.OWNERS CO's energy grade?
266 KEAP ST.OWNERS CO did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 39.1 kBtu/ft².
How much energy does 266 KEAP ST.OWNERS CO use?
Its 2024 site energy-use intensity was 39.1 kBtu/ft² (71.8 kBtu/ft² source) across 31,255 sq ft, including 161,254 kWh of electricity and 6,706 therms of natural gas.
What are 266 KEAP ST.OWNERS CO's carbon emissions?
266 KEAP ST.OWNERS CO reported 99 tCO₂e of greenhouse-gas emissions (3.2 kgCO₂e/ft²) for 2024.
Where is 266 KEAP ST.OWNERS CO?
266 KEAP ST.OWNERS CO is at 266 KEAP STREET, in New York City, New York 11211. Its coordinates are 40.70652, -73.95616 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 266 KEAP ST.OWNERS CO and when was it built?
266 KEAP ST.OWNERS CO has 31,255 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1915 as its year built. It is classed as multifamily housing.
Is 266 KEAP ST.OWNERS CO 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, “266 KEAP ST.OWNERS CO, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/266-keap-st-owners-co-66c20a78 (data as of October 2, 2026).