814 Westchester Avenue
Strip Mall in New York City, NY · 10455
At a glance
814 Westchester Avenue is a 55,500-square-foot strip mall building in New York City, New York, built in 1920. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 96.2 kBtu/ft² and 473 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 96.2 kBtu/ft² |
| Source EUI | 197.1 kBtu/ft² |
| GHG emissions | 473 tCO₂e |
| GHG intensity | 8.5 kgCO₂e/ft² |
| Electricity | 893,231 kWh |
| Natural gas | 22,934 therms |
| Gross floor area | 55,500 sq ft |
| Source record | nyc:6810160:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 96.2 kBtu/ft² | 473 tCO₂e | |
| 2023 | — | 89.4 kBtu/ft² | 431 tCO₂e | |
| 2022 | — | 100.6 kBtu/ft² | 395 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
- 814 Westchester Avenue
- City
- New York City
- State
- New York
- ZIP
- 10455
- Coordinates
- 40.81909, -73.90272
Within ~1 km
Nearby benchmarked buildings
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- MCKINLEYscore 99
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- MOOREscore 8
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See also: most efficient in New York City · biggest emitters
How does 814 Westchester Avenue compare with other strip mall buildings in New York City?
The latest disclosures cover 215 strip mall buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 96.2 kBtu/ft² is about 13% below the average of 111.0 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 8.5 kgCO₂e/ft² is roughly in line with the group average of 8.8 kgCO₂e/ft².
At 55,500 sq ft, it is about 17% below the average floor area of 67,251 sq ft for those buildings. It was built in 1920, 52 years earlier than the group's average year built (1972). Across all 24 jurisdictions BuildingCensus covers, the 1,607 strip mall buildings average an ENERGY STAR score of 68 and a site EUI of 83.1 kBtu/ft².
How has 814 Westchester Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 814 Westchester Avenue, covering report years 2022–2024. Site EUI moved from 100.6 kBtu/ft² (2022) to 96.2 kBtu/ft² (2024), a 4% decrease. Reported emissions went from 395 tCO₂e to 473 tCO₂e over the same span (up 20%).
What does a site EUI of 96.2 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. 814 Westchester Avenue's 96.2 kBtu/ft² across 55,500 sq ft works out to about 5.3 billion Btu (1,565 MWh-equivalent) in 2024. Its source EUI of 197.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 893,231 kWh of electricity and 22,934 therms of natural gas for the year.
Which law requires 814 Westchester Avenue to report its energy use?
814 Westchester Avenue 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:6810160:2024). 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 strip mall buildings in New York City
- Horace Harding Shopping LP_59-16 99th Street· 55,378 sq ft · EUI 92.9 kBtu/ft²
- FCE : 24902 Horace Harding Expressway· 54,463 sq ft · EUI 273.8 kBtu/ft²
- 7001 Amboy Road· 52,652 sq ft · EUI 126.4 kBtu/ft²
- The Plaza at Little Neck Hills, LLC· 52,515 sq ft · EUI 71.6 kBtu/ft²
- 40-02 79th Street· 51,321 sq ft
- 249-02 Horace Harding Expressway· 51,059 sq ft · EUI 263.2 kBtu/ft²
- Strip Mall buildings in New York City· 215 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 814 Westchester Avenue's energy grade?
814 Westchester Avenue did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 96.2 kBtu/ft².
How much energy does 814 Westchester Avenue use?
Its 2024 site energy-use intensity was 96.2 kBtu/ft² (197.1 kBtu/ft² source) across 55,500 sq ft, including 893,231 kWh of electricity and 22,934 therms of natural gas.
What are 814 Westchester Avenue's carbon emissions?
814 Westchester Avenue reported 473 tCO₂e of greenhouse-gas emissions (8.5 kgCO₂e/ft²) for 2024.
Where is 814 Westchester Avenue?
814 Westchester Avenue is in New York City, New York 10455. Its coordinates are 40.81909, -73.90272 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 814 Westchester Avenue and when was it built?
814 Westchester Avenue has 55,500 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1920 as its year built. It is classed as strip mall.
Is 814 Westchester Avenue 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, “814 Westchester Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/814-westchester-avenue-94d8a13c (data as of October 2, 2026).