143 Avenue O
Multifamily Housing in New York City, NY · 11204
At a glance
143 Avenue O is a 30,673-square-foot multifamily housing building in New York City, New York, built in 2007. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 5.6 kBtu/ft² and 19 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 5.6 kBtu/ft² |
| Source EUI | 15.8 kBtu/ft² |
| GHG emissions | 19 tCO₂e |
| GHG intensity | 0.6 kgCO₂e/ft² |
| Electricity | 50,696 kWh |
| Water use | 318 kgal |
| Gross floor area | 30,673 sq ft |
| Source record | nyc:7233353:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 5.6 kBtu/ft² | 19 tCO₂e | |
| 2022 | — | 6.0 kBtu/ft² | 16 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
- 143 Avenue O
- City
- New York City
- State
- New York
- ZIP
- 11204
- Coordinates
- 40.61070, -73.97959
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 143 Avenue O 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 5.6 kBtu/ft² is about 93% 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 0.6 kgCO₂e/ft² is about 88% below the group average of 5.2 kgCO₂e/ft².
At 30,673 sq ft, it is about 70% below the average floor area of 100,951 sq ft for those buildings. It was built in 2007, 55 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 143 Avenue O's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 143 Avenue O, covering report years 2022–2023. Site EUI moved from 6.0 kBtu/ft² (2022) to 5.6 kBtu/ft² (2023), a 7% decrease. Reported emissions went from 16 tCO₂e to 19 tCO₂e over the same span (up 21%).
What does a site EUI of 5.6 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. 143 Avenue O's 5.6 kBtu/ft² across 30,673 sq ft works out to about 0.2 billion Btu (50 MWh-equivalent) in 2023. Its source EUI of 15.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 50,696 kWh of electricity and 318 thousand gallons of water for the year.
Which law requires 143 Avenue O to report its energy use?
143 Avenue O 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:7233353:2023). 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.
More multifamily housing buildings in New York City
- 97-11 63rd Drive· 30,672 sq ft
- Andrews: 170 John St· 30,668 sq ft · EUI 43.2 kBtu/ft²
- 132-18 41st Avenue· 30,665 sq ft · EUI 52.3 kBtu/ft²
- 411 West 115 St· 30,663 sq ft · score 100 (A)
- 242 East 38th Street· 30,662 sq ft · score 67 (C)
- 242 East 38th Street· 30,662 sq ft · score 100 (A)
- 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 143 Avenue O's energy grade?
143 Avenue O did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 5.6 kBtu/ft².
How much energy does 143 Avenue O use?
Its 2023 site energy-use intensity was 5.6 kBtu/ft² (15.8 kBtu/ft² source) across 30,673 sq ft, including 50,696 kWh of electricity.
What are 143 Avenue O's carbon emissions?
143 Avenue O reported 19 tCO₂e of greenhouse-gas emissions (0.6 kgCO₂e/ft²) for 2023.
Where is 143 Avenue O?
143 Avenue O is in New York City, New York 11204. Its coordinates are 40.61070, -73.97959 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 143 Avenue O and when was it built?
143 Avenue O has 30,673 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2007 as its year built. It is classed as multifamily housing.
Is 143 Avenue O 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, “143 Avenue O, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/143-avenue-o-0d51847f (data as of October 2, 2026).