875 Longfellow Avenue
Multifamily Housing in New York City, NY · 10474
At a glance
875 Longfellow Avenue is a 30,100-square-foot multifamily housing building in New York City, New York, built in 1928. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 100 out of 100 (grade A), a site energy-use intensity of 25.0 kBtu/ft² and 76 tCO₂e of greenhouse-gas emissions. That score is higher than 90% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | 25.0 kBtu/ft² |
| Source EUI | 57.4 kBtu/ft² |
| GHG emissions | 76 tCO₂e |
| GHG intensity | 2.5 kgCO₂e/ft² |
| Electricity | 158,040 kWh |
| Natural gas | 880 therms |
| Water use | 1,829 kgal |
| Gross floor area | 30,100 sq ft |
| Source record | nyc:6664780:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | +78 | 25.0 kBtu/ft² | 76 tCO₂e |
| 2023 | 22 | -74 | 104.1 kBtu/ft² | 249 tCO₂e |
| 2022 | 96 | 44.9 kBtu/ft² | 104 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
- 875 Longfellow Avenue
- City
- New York City
- State
- New York
- ZIP
- 10474
- Coordinates
- 40.81952, -73.88590
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 875 Longfellow Avenue 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. 875 Longfellow Avenue's ENERGY STAR score of 100 compares with an average of 63 across the 22,829 that report a score; it scores higher than 90% of them. Its site EUI of 25.0 kBtu/ft² is about 67% 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 2.5 kgCO₂e/ft² is about half of the group average of 5.2 kgCO₂e/ft².
At 30,100 sq ft, it is about 70% below the average floor area of 100,951 sq ft for those buildings. It was built in 1928, 24 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 875 Longfellow Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 875 Longfellow Avenue, covering report years 2022–2024. Its ENERGY STAR score went from 96 in 2022 to 100 in 2024 (+4 points). Site EUI moved from 44.9 kBtu/ft² (2022) to 25.0 kBtu/ft² (2024), a 44% decrease. Reported emissions went from 104 tCO₂e to 76 tCO₂e over the same span (down 27%).
What does an ENERGY STAR score of 100 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: 100 is the top of the scale. BuildingCensus bands the score into report-card grades; 100 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. In New York City, 43% of scored buildings are at 75 or above.
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. 875 Longfellow Avenue's 25.0 kBtu/ft² across 30,100 sq ft works out to about 0.8 billion Btu (221 MWh-equivalent) in 2024. Its source EUI of 57.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 158,040 kWh of electricity, 880 therms of natural gas and 1,829 thousand gallons of water for the year.
Which law requires 875 Longfellow Avenue to report its energy use?
875 Longfellow 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:6664780:2024). 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
- 3427 Bruckner Blvd· 30,094 sq ft · score 80 (B)
- Direct Management – 23-25 31st Avenue· 30,089 sq ft · score 93 (A)
- Chestnut - 1809 Marmion Avenue· 30,084 sq ft · score 31 (D)
- Ventura: 4206 Carpenter Ave· 30,079 sq ft · score 61 (C)
- 222 East 71st St., Inc. (222 E 71st Street)· 30,079 sq ft · score 85 (A)
- 10 Bennett Ave· 30,078 sq ft · score 47 (D)
- 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 875 Longfellow Avenue's energy grade?
875 Longfellow Avenue scores 100 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 875 Longfellow Avenue use?
Its 2024 site energy-use intensity was 25.0 kBtu/ft² (57.4 kBtu/ft² source) across 30,100 sq ft, including 158,040 kWh of electricity and 880 therms of natural gas.
What are 875 Longfellow Avenue's carbon emissions?
875 Longfellow Avenue reported 76 tCO₂e of greenhouse-gas emissions (2.5 kgCO₂e/ft²) for 2024.
Where is 875 Longfellow Avenue?
875 Longfellow Avenue is in New York City, New York 10474. Its coordinates are 40.81952, -73.88590 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 875 Longfellow Avenue and when was it built?
875 Longfellow Avenue has 30,100 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1928 as its year built. It is classed as multifamily housing.
Is 875 Longfellow 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, “875 Longfellow Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/875-longfellow-avenue-0c96c5a5 (data as of October 2, 2026).