JC Dwight - 430 East 86th Street
Multifamily Housing in New York City, NY · 430 East 86th Street · 10028
At a glance
JC Dwight - 430 East 86th Street is a 205,967-square-foot multifamily housing building in New York City, New York, built in 1931. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 61.7 kBtu/ft² and 820 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 61.7 kBtu/ft² |
| Source EUI | 84.6 kBtu/ft² |
| GHG emissions | 820 tCO₂e |
| GHG intensity | 4.0 kgCO₂e/ft² |
| Electricity | 683,200 kWh |
| Natural gas | 103,799 therms |
| Water use | 5,334 kgal |
| Gross floor area | 205,967 sq ft |
| Source record | nyc:2794189:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 61.7 kBtu/ft² | 820 tCO₂e | |
| 2023 | — | 65.5 kBtu/ft² | 851 tCO₂e | |
| 2022 | — | 64.4 kBtu/ft² | 828 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
- 430 East 86th Street
- City
- New York City
- State
- New York
- ZIP
- 10028
- Coordinates
- 40.77641, -73.94829
Within ~1 km
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How does JC Dwight - 430 East 86th Street 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 61.7 kBtu/ft² is about 18% 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 4.0 kgCO₂e/ft² is about 23% below the group average of 5.2 kgCO₂e/ft².
At 205,967 sq ft, it is about twice the average floor area of 100,951 sq ft for those buildings. It was built in 1931, 21 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 JC Dwight - 430 East 86th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for JC Dwight - 430 East 86th Street, covering report years 2022–2024. Site EUI moved from 64.4 kBtu/ft² (2022) to 61.7 kBtu/ft² (2024), a 4% decrease. Reported emissions went from 828 tCO₂e to 820 tCO₂e over the same span (down 1%).
What does a site EUI of 61.7 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. JC Dwight - 430 East 86th Street's 61.7 kBtu/ft² across 205,967 sq ft works out to about 12.7 billion Btu (3,724 MWh-equivalent) in 2024. Its source EUI of 84.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 683,200 kWh of electricity, 103,799 therms of natural gas and 5,334 thousand gallons of water for the year.
Which law requires JC Dwight - 430 East 86th Street to report its energy use?
JC Dwight - 430 East 86th Street 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:2794189:2024). 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
- 279 West 117th Street· 205,934 sq ft · score 98 (A)
- 1134 Fulton· 205,857 sq ft · score 25 (D)
- 670 Apartments Corp.· 205,808 sq ft · score 89 (A)
- Beech Hills Corp 1 PARENT· 205,774 sq ft · score 75 (B)
- Hampton House Condominium (404 East 79th Street)· 205,750 sq ft · score 71 (B)
- QFR (BBL - 4071170008)· 205,746 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 JC Dwight - 430 East 86th Street's energy grade?
JC Dwight - 430 East 86th Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 61.7 kBtu/ft².
How much energy does JC Dwight - 430 East 86th Street use?
Its 2024 site energy-use intensity was 61.7 kBtu/ft² (84.6 kBtu/ft² source) across 205,967 sq ft, including 683,200 kWh of electricity and 103,799 therms of natural gas.
What are JC Dwight - 430 East 86th Street's carbon emissions?
JC Dwight - 430 East 86th Street reported 820 tCO₂e of greenhouse-gas emissions (4.0 kgCO₂e/ft²) for 2024.
Where is JC Dwight - 430 East 86th Street?
JC Dwight - 430 East 86th Street is in New York City, New York 10028. Its coordinates are 40.77641, -73.94829 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is JC Dwight - 430 East 86th Street and when was it built?
JC Dwight - 430 East 86th Street has 205,967 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1931 as its year built. It is classed as multifamily housing.
Is JC Dwight - 430 East 86th Street 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, “JC Dwight - 430 East 86th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/jc-dwight-430-east-86th-street-3614a617 (data as of October 2, 2026).