Ace: 343-101st St
Multifamily Housing in New York City, NY · 343 101st Street · 11209
At a glance
Ace: 343-101st St is a 54,570-square-foot multifamily housing building at 343 101st Street in New York City, New York, built in 1931. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 175.7 kBtu/ft² and 569 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 175.7 kBtu/ft² |
| Source EUI | 219.0 kBtu/ft² |
| GHG emissions | 569 tCO₂e |
| GHG intensity | 10.4 kgCO₂e/ft² |
| Electricity | 315,310 kWh |
| Natural gas | 85,133 therms |
| Gross floor area | 54,570 sq ft |
| Source record | nyc:3522111:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 175.7 kBtu/ft² | 569 tCO₂e | |
| 2022 | — | 198.0 kBtu/ft² | 630 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
- 343 101st Street
- City
- New York City
- State
- New York
- ZIP
- 11209
- Coordinates
- 40.61275, -74.03499
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Ace: 343-101st 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. Its site EUI of 175.7 kBtu/ft² is about 135% 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 10.4 kgCO₂e/ft² is about twice the group average of 5.2 kgCO₂e/ft².
At 54,570 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 1931, 21 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 Ace: 343-101st St's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Ace: 343-101st St, covering report years 2022–2023. Site EUI moved from 198.0 kBtu/ft² (2022) to 175.7 kBtu/ft² (2023), a 11% decrease. Reported emissions went from 630 tCO₂e to 569 tCO₂e over the same span (down 10%).
What does a site EUI of 175.7 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. Ace: 343-101st St's 175.7 kBtu/ft² across 54,570 sq ft works out to about 9.6 billion Btu (2,810 MWh-equivalent) in 2023. Its source EUI of 219.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 315,310 kWh of electricity and 85,133 therms of natural gas for the year.
Which law requires Ace: 343-101st St to report its energy use?
Ace: 343-101st 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 2023 disclosure (source record nyc:3522111:2023). 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
- 523 West 112th Street· 54,567 sq ft · score 85 (A)
- Norcor: 79-15 35 Ave· 54,566 sq ft · score 94 (A)
- CC - 1090 Franklin Avenue· 54,560 sq ft · score 31 (D)
- 1090 FRANKLIN PRESERVATION LLC· 54,560 sq ft · score 31 (D)
- 1090 Franklin Avenue· 54,560 sq ft · score 44 (D)
- Highrise Property Management : 79-01 35 AVENUE· 54,556 sq ft · score 71 (B)
- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
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- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is Ace: 343-101st St's energy grade?
Ace: 343-101st St did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 175.7 kBtu/ft².
How much energy does Ace: 343-101st St use?
Its 2023 site energy-use intensity was 175.7 kBtu/ft² (219.0 kBtu/ft² source) across 54,570 sq ft, including 315,310 kWh of electricity and 85,133 therms of natural gas.
What are Ace: 343-101st St's carbon emissions?
Ace: 343-101st St reported 569 tCO₂e of greenhouse-gas emissions (10.4 kgCO₂e/ft²) for 2023.
Where is Ace: 343-101st St?
Ace: 343-101st St is at 343 101st Street, in New York City, New York 11209. Its coordinates are 40.61275, -74.03499 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Ace: 343-101st St and when was it built?
Ace: 343-101st St has 54,570 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1931 as its year built. It is classed as multifamily housing.
Is Ace: 343-101st St 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, “Ace: 343-101st St, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/ace-343-101st-st-e0a09915 (data as of October 2, 2026).