649 WASHINGTON AVENUE
Multifamily Housing in New York City, NY · 11238
At a glance
649 WASHINGTON AVENUE is a 33,710-square-foot multifamily housing building in New York City, New York, built in 1940. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 21.6 kBtu/ft² and 79 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 21.6 kBtu/ft² |
| Source EUI | 60.4 kBtu/ft² |
| GHG emissions | 79 tCO₂e |
| GHG intensity | 2.3 kgCO₂e/ft² |
| Electricity | 213,112 kWh |
| Gross floor area | 33,710 sq ft |
| Source record | nyc:6820085:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 21.6 kBtu/ft² | 79 tCO₂e | |
| 2022 | — | 23.8 kBtu/ft² | 68 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
- 649 WASHINGTON AVENUE
- City
- New York City
- State
- New York
- ZIP
- 11238
- Coordinates
- 40.67796, -73.96378
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 649 WASHINGTON 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. Its site EUI of 21.6 kBtu/ft² is about 71% 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 2.3 kgCO₂e/ft² is about 56% below the group average of 5.2 kgCO₂e/ft².
At 33,710 sq ft, it is about 67% below the average floor area of 100,951 sq ft for those buildings. It was built in 1940, 12 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 649 WASHINGTON AVENUE's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 649 WASHINGTON AVENUE, covering report years 2022–2023. Site EUI moved from 23.8 kBtu/ft² (2022) to 21.6 kBtu/ft² (2023), a 9% decrease. Reported emissions went from 68 tCO₂e to 79 tCO₂e over the same span (up 16%).
What does a site EUI of 21.6 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. 649 WASHINGTON AVENUE's 21.6 kBtu/ft² across 33,710 sq ft works out to about 0.7 billion Btu (213 MWh-equivalent) in 2023. Its source EUI of 60.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 213,112 kWh of electricity for the year.
Which law requires 649 WASHINGTON AVENUE to report its energy use?
649 WASHINGTON 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 2023 disclosure (source record nyc:6820085:2023). 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
- MCP: 29-15 36th Ave.· 33,705 sq ft · score 69 (C)
- MCP: 29-15 36th Ave· 33,705 sq ft · score 69 (C)
- Delkap: 512 West 151 Street· 33,705 sq ft · score 94 (A)
- 40 Linden Boulevard· 33,702 sq ft · score 90 (A)
- 490 E 23rd St· 33,702 sq ft · score 25 (D)
- THE 627-629 DEKALB AVENUE CONDOMINIUM· 33,696 sq ft · score 63 (C)
- 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 649 WASHINGTON AVENUE's energy grade?
649 WASHINGTON AVENUE did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 21.6 kBtu/ft².
How much energy does 649 WASHINGTON AVENUE use?
Its 2023 site energy-use intensity was 21.6 kBtu/ft² (60.4 kBtu/ft² source) across 33,710 sq ft, including 213,112 kWh of electricity.
What are 649 WASHINGTON AVENUE's carbon emissions?
649 WASHINGTON AVENUE reported 79 tCO₂e of greenhouse-gas emissions (2.3 kgCO₂e/ft²) for 2023.
Where is 649 WASHINGTON AVENUE?
649 WASHINGTON AVENUE is in New York City, New York 11238. Its coordinates are 40.67796, -73.96378 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 649 WASHINGTON AVENUE and when was it built?
649 WASHINGTON AVENUE has 33,710 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1940 as its year built. It is classed as multifamily housing.
Is 649 WASHINGTON AVENUE covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “649 WASHINGTON AVENUE, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/649-washington-avenue-7b320458 (data as of October 2, 2026).