1926 Longfellow Avenue
Multifamily Housing in New York City, NY · 10460
At a glance
1926 Longfellow Avenue is a 42,200-square-foot multifamily housing building in New York City, New York, built in 2018. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 1 out of 100 (grade D), a site energy-use intensity of 338.6 kBtu/ft² and 1,069 tCO₂e of greenhouse-gas emissions. That score is higher than 0% 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 | 1 (band D) |
| Site EUI | 338.6 kBtu/ft² |
| Source EUI | 563.2 kBtu/ft² |
| GHG emissions | 1,069 tCO₂e |
| GHG intensity | 25.3 kgCO₂e/ft² |
| Electricity | 1,467,426 kWh |
| Natural gas | 92,836 therms |
| Gross floor area | 42,200 sq ft |
| Source record | nyc:6672945:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 1 | ±0 | 338.6 kBtu/ft² | 1,069 tCO₂e |
| 2023 | 1 | -58 | 348.0 kBtu/ft² | 1,047 tCO₂e |
| 2022 | 59 | 66.7 kBtu/ft² | 175 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
- 1926 Longfellow Avenue
- City
- New York City
- State
- New York
- ZIP
- 10460
- Coordinates
- 40.83939, -73.88177
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 1926 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. 1926 Longfellow Avenue's ENERGY STAR score of 1 compares with an average of 63 across the 22,829 that report a score; it scores higher than 0% of them and lower than 97%. Its site EUI of 338.6 kBtu/ft² is about 352% 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 25.3 kgCO₂e/ft² is about 387% above the group average of 5.2 kgCO₂e/ft².
At 42,200 sq ft, it is about 58% below the average floor area of 100,951 sq ft for those buildings. It was built in 2018, 66 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 1926 Longfellow Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 1926 Longfellow Avenue, covering report years 2022–2024. Its ENERGY STAR score went from 59 in 2022 to 1 in 2024 (-58 points); its best year on file was 2022, at 59. Site EUI moved from 66.7 kBtu/ft² (2022) to 338.6 kBtu/ft² (2024), an 408% increase. Reported emissions went from 175 tCO₂e to 1,069 tCO₂e over the same span (up 512%).
What does an ENERGY STAR score of 1 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: 1 is the bottom of the scale. BuildingCensus bands the score into report-card grades; 1 falls in band D — lowest band (1–54). It sits 74 points below 75, the threshold for ENERGY STAR certification. 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. 1926 Longfellow Avenue's 338.6 kBtu/ft² across 42,200 sq ft works out to about 14.3 billion Btu (4,188 MWh-equivalent) in 2024. Its source EUI of 563.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,467,426 kWh of electricity and 92,836 therms of natural gas for the year.
Which law requires 1926 Longfellow Avenue to report its energy use?
1926 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:6672945:2024). 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
- Coltown - 75 Ellwood Street· 42,190 sq ft · score 76 (B)
- 204 West 108th Street· 42,186 sq ft · score 76 (B)
- 1280 E 18 St· 42,180 sq ft · score 13 (D)
- 715 West 175th Street· 42,177 sq ft · score 58 (C)
- Cornell Pace- 1988 Anthony Ave· 42,175 sq ft · score 25 (D)
- 66 Ainslie St· 42,172 sq ft · score 84 (B)
- 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 1926 Longfellow Avenue's energy grade?
1926 Longfellow Avenue scores 1 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 1926 Longfellow Avenue use?
Its 2024 site energy-use intensity was 338.6 kBtu/ft² (563.2 kBtu/ft² source) across 42,200 sq ft, including 1,467,426 kWh of electricity and 92,836 therms of natural gas.
What are 1926 Longfellow Avenue's carbon emissions?
1926 Longfellow Avenue reported 1,069 tCO₂e of greenhouse-gas emissions (25.3 kgCO₂e/ft²) for 2024.
Where is 1926 Longfellow Avenue?
1926 Longfellow Avenue is in New York City, New York 10460. Its coordinates are 40.83939, -73.88177 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 1926 Longfellow Avenue and when was it built?
1926 Longfellow Avenue has 42,200 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2018 as its year built. It is classed as multifamily housing.
Is 1926 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, “1926 Longfellow Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/1926-longfellow-avenue-627032dd (data as of October 2, 2026).