The Jefferson Court Condominium
Multifamily Housing in New York City, NY · 134 West 10th Street · 10014
At a glance
The Jefferson Court Condominium is a 24,637-square-foot multifamily housing building at 134 West 10th Street in New York City, New York, built in 2005. In its 2023 New York City benchmarking disclosure it reported a site energy-use intensity of 67.9 kBtu/ft² and 127 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 67.9 kBtu/ft² |
| Source EUI | 120.5 kBtu/ft² |
| GHG emissions | 127 tCO₂e |
| GHG intensity | 5.2 kgCO₂e/ft² |
| Electricity | 202,987 kWh |
| Natural gas | 9,808 therms |
| Water use | 610 kgal |
| Gross floor area | 24,637 sq ft |
| Source record | nyc:7463970:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 67.9 kBtu/ft² | 127 tCO₂e | |
| 2022 | — | 64.3 kBtu/ft² | 106 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
- 134 West 10th Street
- City
- New York City
- State
- New York
- ZIP
- 10014
- Coordinates
- 40.73461, -74.00043
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does The Jefferson Court Condominium 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 67.9 kBtu/ft² is roughly in line with 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 5.2 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 24,637 sq ft, it is about 76% below the average floor area of 100,951 sq ft for those buildings. It was built in 2005, 53 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 The Jefferson Court Condominium's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for The Jefferson Court Condominium, covering report years 2022–2023. Site EUI moved from 64.3 kBtu/ft² (2022) to 67.9 kBtu/ft² (2023), an 6% increase. Reported emissions went from 106 tCO₂e to 127 tCO₂e over the same span (up 20%).
What does a site EUI of 67.9 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. The Jefferson Court Condominium's 67.9 kBtu/ft² across 24,637 sq ft works out to about 1.7 billion Btu (490 MWh-equivalent) in 2023. Its source EUI of 120.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 202,987 kWh of electricity, 9,808 therms of natural gas and 610 thousand gallons of water for the year.
Which law requires The Jefferson Court Condominium to report its energy use?
The Jefferson Court Condominium 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:7463970:2023). 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.
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Frequently asked questions
What is The Jefferson Court Condominium's energy grade?
The Jefferson Court Condominium did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 67.9 kBtu/ft².
How much energy does The Jefferson Court Condominium use?
Its 2023 site energy-use intensity was 67.9 kBtu/ft² (120.5 kBtu/ft² source) across 24,637 sq ft, including 202,987 kWh of electricity and 9,808 therms of natural gas.
What are The Jefferson Court Condominium's carbon emissions?
The Jefferson Court Condominium reported 127 tCO₂e of greenhouse-gas emissions (5.2 kgCO₂e/ft²) for 2023.
Where is The Jefferson Court Condominium?
The Jefferson Court Condominium is at 134 West 10th Street, in New York City, New York 10014. Its coordinates are 40.73461, -74.00043 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is The Jefferson Court Condominium and when was it built?
The Jefferson Court Condominium has 24,637 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2005 as its year built. It is classed as multifamily housing.
Is The Jefferson Court Condominium 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, “The Jefferson Court Condominium, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/the-jefferson-court-condominium-c1176a49 (data as of October 2, 2026).