1649 Nelson Ave - 38879
Multifamily Housing in New York City, NY · 1649 Nelson Ave · 10453
At a glance
1649 Nelson Ave - 38879 is a 56,183-square-foot multifamily housing building in New York City, New York, built in 1927. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 88.1 kBtu/ft² and 306 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 88.1 kBtu/ft² |
| Source EUI | 114.0 kBtu/ft² |
| GHG emissions | 306 tCO₂e |
| GHG intensity | 5.4 kgCO₂e/ft² |
| Electricity | 202,729 kWh |
| Natural gas | 42,558 therms |
| Gross floor area | 56,183 sq ft |
| Source record | nyc:3433063:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 88.1 kBtu/ft² | 306 tCO₂e | |
| 2023 | — | 81.9 kBtu/ft² | 280 tCO₂e | |
| 2022 | — | 87.8 kBtu/ft² | 284 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
- 1649 Nelson Ave
- City
- New York City
- State
- New York
- ZIP
- 10453
- Coordinates
- 40.84720, -73.91832
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 1649 Nelson Ave - 38879 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 88.1 kBtu/ft² is about 18% 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 5.4 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 56,183 sq ft, it is about 44% below the average floor area of 100,951 sq ft for those buildings. It was built in 1927, 25 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 1649 Nelson Ave - 38879's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 1649 Nelson Ave - 38879, covering report years 2022–2024. Site EUI moved from 87.8 kBtu/ft² (2022) to 88.1 kBtu/ft² (2024), an 0% increase. Reported emissions went from 284 tCO₂e to 306 tCO₂e over the same span (up 8%).
What does a site EUI of 88.1 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. 1649 Nelson Ave - 38879's 88.1 kBtu/ft² across 56,183 sq ft works out to about 4.9 billion Btu (1,451 MWh-equivalent) in 2024. Its source EUI of 114.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 202,729 kWh of electricity and 42,558 therms of natural gas for the year.
Which law requires 1649 Nelson Ave - 38879 to report its energy use?
1649 Nelson Ave - 38879 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:3433063:2024). 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
- Chimienti: 3407-09 DeKalb Ave· 56,175 sq ft · score 99 (A)
- 939 Eighth Ave· 56,170 sq ft
- 2466 Marion Avenue· 56,160 sq ft · score 78 (B)
- 353 Central Park West· 56,156 sq ft · EUI 61.3 kBtu/ft²
- Impact: 801 Riverside Drive· 56,149 sq ft · score 54 (D)
- Leor: 1404 Noble Avenue· 56,149 sq ft · EUI 98.4 kBtu/ft²
- 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 1649 Nelson Ave - 38879's energy grade?
1649 Nelson Ave - 38879 did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 88.1 kBtu/ft².
How much energy does 1649 Nelson Ave - 38879 use?
Its 2024 site energy-use intensity was 88.1 kBtu/ft² (114.0 kBtu/ft² source) across 56,183 sq ft, including 202,729 kWh of electricity and 42,558 therms of natural gas.
What are 1649 Nelson Ave - 38879's carbon emissions?
1649 Nelson Ave - 38879 reported 306 tCO₂e of greenhouse-gas emissions (5.4 kgCO₂e/ft²) for 2024.
Where is 1649 Nelson Ave - 38879?
1649 Nelson Ave - 38879 is in New York City, New York 10453. Its coordinates are 40.84720, -73.91832 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 1649 Nelson Ave - 38879 and when was it built?
1649 Nelson Ave - 38879 has 56,183 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1927 as its year built. It is classed as multifamily housing.
Is 1649 Nelson Ave - 38879 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, “1649 Nelson Ave - 38879, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/1649-nelson-ave-38879-228a986f (data as of October 2, 2026).