Aleseda: 4345 WEBSTER AVE
Multifamily Housing in New York City, NY · 4345 Webster Ave · 10470
At a glance
Aleseda: 4345 WEBSTER AVE is a 77,200-square-foot multifamily housing building at 4345 Webster Ave in New York City, New York, built in 1955. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 85.4 kBtu/ft² and 519 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 85.4 kBtu/ft² |
| Source EUI | 102.8 kBtu/ft² |
| GHG emissions | 519 tCO₂e |
| GHG intensity | 6.7 kgCO₂e/ft² |
| Electricity | 207,083 kWh |
| Natural gas | 2,376 therms |
| Water use | 3,381 kgal |
| Gross floor area | 77,200 sq ft |
| Source record | nyc:5831687:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 85.4 kBtu/ft² | 519 tCO₂e | |
| 2023 | — | 98.1 kBtu/ft² | 588 tCO₂e | |
| 2022 | — | 85.9 kBtu/ft² | 501 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
- 4345 Webster Ave
- City
- New York City
- State
- New York
- ZIP
- 10470
- Coordinates
- 40.90019, -73.86183
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Aleseda: 4345 WEBSTER 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 85.4 kBtu/ft² is about 14% 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 6.7 kgCO₂e/ft² is about 29% above the group average of 5.2 kgCO₂e/ft².
At 77,200 sq ft, it is about 24% below the average floor area of 100,951 sq ft for those buildings. Its 1955 construction date is close to 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 Aleseda: 4345 WEBSTER AVE's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Aleseda: 4345 WEBSTER AVE, covering report years 2022–2024. Site EUI moved from 85.9 kBtu/ft² (2022) to 85.4 kBtu/ft² (2024), a 1% decrease. Reported emissions went from 501 tCO₂e to 519 tCO₂e over the same span (up 4%).
What does a site EUI of 85.4 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. Aleseda: 4345 WEBSTER AVE's 85.4 kBtu/ft² across 77,200 sq ft works out to about 6.6 billion Btu (1,932 MWh-equivalent) in 2024. Its source EUI of 102.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 207,083 kWh of electricity, 2,376 therms of natural gas and 3,381 thousand gallons of water for the year.
Which law requires Aleseda: 4345 WEBSTER AVE to report its energy use?
Aleseda: 4345 WEBSTER 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:5831687:2024). 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
- Irving Fleischman: 196 Clinton Ave· 77,197 sq ft · score 78 (B)
- 2750 Olinville Avenue NCG· 77,194 sq ft · score 54 (D)
- 2750 Olinville Avenue· 77,194 sq ft · score 56 (C)
- 120 East 36th Street, New York, NY 10015· 77,193 sq ft · EUI 67.0 kBtu/ft²
- Winter Family Partners (120 East 36th Street)· 77,193 sq ft
- Superior - 139 West 82nd Street· 77,188 sq ft · score 87 (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 Aleseda: 4345 WEBSTER AVE's energy grade?
Aleseda: 4345 WEBSTER AVE did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 85.4 kBtu/ft².
How much energy does Aleseda: 4345 WEBSTER AVE use?
Its 2024 site energy-use intensity was 85.4 kBtu/ft² (102.8 kBtu/ft² source) across 77,200 sq ft, including 207,083 kWh of electricity and 2,376 therms of natural gas.
What are Aleseda: 4345 WEBSTER AVE's carbon emissions?
Aleseda: 4345 WEBSTER AVE reported 519 tCO₂e of greenhouse-gas emissions (6.7 kgCO₂e/ft²) for 2024.
Where is Aleseda: 4345 WEBSTER AVE?
Aleseda: 4345 WEBSTER AVE is at 4345 Webster Ave, in New York City, New York 10470. Its coordinates are 40.90019, -73.86183 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Aleseda: 4345 WEBSTER AVE and when was it built?
Aleseda: 4345 WEBSTER AVE has 77,200 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1955 as its year built. It is classed as multifamily housing.
Is Aleseda: 4345 WEBSTER 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, “Aleseda: 4345 WEBSTER AVE, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/aleseda-4345-webster-ave-3deb5689 (data as of October 2, 2026).