Wallack - 47 East 87th St
Multifamily Housing in New York City, NY · 39 EAST 87 STREET · 10128
At a glance
Wallack - 47 East 87th St is a 117,918-square-foot multifamily housing building at 39 EAST 87 STREET in New York City, New York, built in 1948. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 50 out of 100 (grade D), a site energy-use intensity of 97.2 kBtu/ft² and 1,070 tCO₂e of greenhouse-gas emissions. That score is higher than 32% 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 | 50 (band D) |
| Site EUI | 97.2 kBtu/ft² |
| Source EUI | 182.8 kBtu/ft² |
| GHG emissions | 1,070 tCO₂e |
| GHG intensity | 9.1 kgCO₂e/ft² |
| Electricity | 1,630,742 kWh |
| Natural gas | 3,890 therms |
| Gross floor area | 117,918 sq ft |
| Source record | nyc:2659852:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 50 | +6 | 97.2 kBtu/ft² | 1,070 tCO₂e |
| 2023 | 44 | -15 | 106.6 kBtu/ft² | 1,109 tCO₂e |
| 2022 | 59 | 91.0 kBtu/ft² | 1,026 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
- 39 EAST 87 STREET
- City
- New York City
- State
- New York
- ZIP
- 10128
- Coordinates
- 40.78148, -73.95818
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Wallack - 47 East 87th St 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. Wallack - 47 East 87th St's ENERGY STAR score of 50 compares with an average of 63 across the 22,829 that report a score; it scores higher than 32% of them and lower than 68%. Its site EUI of 97.2 kBtu/ft² is about 30% 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 9.1 kgCO₂e/ft² is about 74% above the group average of 5.2 kgCO₂e/ft².
At 117,918 sq ft, it is about 17% above the average floor area of 100,951 sq ft for those buildings. It was built in 1948, 4 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 Wallack - 47 East 87th St's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Wallack - 47 East 87th St, covering report years 2022–2024. Its ENERGY STAR score went from 59 in 2022 to 50 in 2024 (-9 points); its best year on file was 2022, at 59. Site EUI moved from 91.0 kBtu/ft² (2022) to 97.2 kBtu/ft² (2024), an 7% increase. Reported emissions went from 1,026 tCO₂e to 1,070 tCO₂e over the same span (up 4%).
What does an ENERGY STAR score of 50 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: a score of 50 means the building performs better than about 50% of its national peers. BuildingCensus bands the score into report-card grades; 50 falls in band D — lowest band (1–54). It sits 25 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. Wallack - 47 East 87th St's 97.2 kBtu/ft² across 117,918 sq ft works out to about 11.5 billion Btu (3,359 MWh-equivalent) in 2024. Its source EUI of 182.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,630,742 kWh of electricity and 3,890 therms of natural gas for the year.
Which law requires Wallack - 47 East 87th St to report its energy use?
Wallack - 47 East 87th St 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:2659852:2024). 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
- ISLAND CONDO MGMT CORP:80 BAY STREET LANDING· 117,900 sq ft · score 88 (A)
- DEPM 2584 - 40 East 80th St· 117,800 sq ft · EUI 50.5 kBtu/ft²
- Brodsky - 4 W 21st Street· 117,731 sq ft · score 37 (D)
- Amerco Real Estate Company : 36-30 COLLEGE POINT BLVD· 117,700 sq ft · score 100 (A)
- 63-14 Queens Boulevard· 117,697 sq ft · score 41 (D)
- 50 Park Terrace East - 35026· 117,681 sq ft · score 100 (A)
- 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 Wallack - 47 East 87th St's energy grade?
Wallack - 47 East 87th St scores 50 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 Wallack - 47 East 87th St use?
Its 2024 site energy-use intensity was 97.2 kBtu/ft² (182.8 kBtu/ft² source) across 117,918 sq ft, including 1,630,742 kWh of electricity and 3,890 therms of natural gas.
What are Wallack - 47 East 87th St's carbon emissions?
Wallack - 47 East 87th St reported 1,070 tCO₂e of greenhouse-gas emissions (9.1 kgCO₂e/ft²) for 2024.
Where is Wallack - 47 East 87th St?
Wallack - 47 East 87th St is at 39 EAST 87 STREET, in New York City, New York 10128. Its coordinates are 40.78148, -73.95818 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Wallack - 47 East 87th St and when was it built?
Wallack - 47 East 87th St has 117,918 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1948 as its year built. It is classed as multifamily housing.
Is Wallack - 47 East 87th St 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, “Wallack - 47 East 87th St, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/wallack-47-east-87th-st-a1ed7c61 (data as of October 2, 2026).