668 Howard ave
Multifamily Housing in New York City, NY · 668 Howard Ave · 11212
At a glance
668 Howard ave is a 21,600-square-foot multifamily housing building at 668 Howard Ave in New York City, New York, built in 1930. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 224.7 kBtu/ft² and 284 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 224.7 kBtu/ft² |
| Source EUI | 270.1 kBtu/ft² |
| GHG emissions | 284 tCO₂e |
| GHG intensity | 13.2 kgCO₂e/ft² |
| Electricity | 123,507 kWh |
| Natural gas | 44,328 therms |
| Gross floor area | 21,600 sq ft |
| Source record | nyc:6694186:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 224.7 kBtu/ft² | 284 tCO₂e | |
| 2023 | — | 245.0 kBtu/ft² | 305 tCO₂e | |
| 2022 | — | 241.7 kBtu/ft² | 291 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
- 668 Howard Ave
- City
- New York City
- State
- New York
- ZIP
- 11212
- Coordinates
- 40.66561, -73.91939
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 668 Howard ave 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 224.7 kBtu/ft² is about 200% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 13.2 kgCO₂e/ft² is about 153% above the group average of 5.2 kgCO₂e/ft².
At 21,600 sq ft, it is about 79% below 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 668 Howard ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 668 Howard ave, covering report years 2022–2024. Site EUI moved from 241.7 kBtu/ft² (2022) to 224.7 kBtu/ft² (2024), a 7% decrease. Reported emissions went from 291 tCO₂e to 284 tCO₂e over the same span (down 2%).
What does a site EUI of 224.7 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. 668 Howard ave's 224.7 kBtu/ft² across 21,600 sq ft works out to about 4.9 billion Btu (1,422 MWh-equivalent) in 2024. Its source EUI of 270.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 123,507 kWh of electricity and 44,328 therms of natural gas for the year.
Which law requires 668 Howard ave to report its energy use?
668 Howard ave 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:6694186:2024). 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.
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- Multifamily Housing buildings in New York City· 33,022 benchmarked
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Frequently asked questions
What is 668 Howard ave's energy grade?
668 Howard ave did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 224.7 kBtu/ft².
How much energy does 668 Howard ave use?
Its 2024 site energy-use intensity was 224.7 kBtu/ft² (270.1 kBtu/ft² source) across 21,600 sq ft, including 123,507 kWh of electricity and 44,328 therms of natural gas.
What are 668 Howard ave's carbon emissions?
668 Howard ave reported 284 tCO₂e of greenhouse-gas emissions (13.2 kgCO₂e/ft²) for 2024.
Where is 668 Howard ave?
668 Howard ave is at 668 Howard Ave, in New York City, New York 11212. Its coordinates are 40.66561, -73.91939 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 668 Howard ave and when was it built?
668 Howard ave has 21,600 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 668 Howard ave 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, “668 Howard ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/668-howard-ave-3ce635b3 (data as of October 2, 2026).