The 23 South 10th Street Condominium
Multifamily Housing in New York City, NY · 23 South 10th Street · 11249
At a glance
The 23 South 10th Street Condominium is a 33,600-square-foot multifamily housing building in New York City, New York, built in 2015. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 49.8 kBtu/ft² and 134 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 49.8 kBtu/ft² |
| Source EUI | 90.0 kBtu/ft² |
| GHG emissions | 134 tCO₂e |
| GHG intensity | 4.0 kgCO₂e/ft² |
| Electricity | 212,338 kWh |
| Natural gas | 9,483 therms |
| Water use | 1,457 kgal |
| Gross floor area | 33,600 sq ft |
| Source record | nyc:8647998:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 49.8 kBtu/ft² | 134 tCO₂e | |
| 2023 | — | 50.2 kBtu/ft² | 129 tCO₂e | |
| 2022 | — | 49.4 kBtu/ft² | 110 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
- 23 South 10th Street
- City
- New York City
- State
- New York
- ZIP
- 11249
- Coordinates
- 40.70842, -73.96782
Within ~1 km
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How does The 23 South 10th Street 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 49.8 kBtu/ft² is about 34% 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 33,600 sq ft, it is about 67% below the average floor area of 100,951 sq ft for those buildings. It was built in 2015, 63 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 23 South 10th Street Condominium's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for The 23 South 10th Street Condominium, covering report years 2022–2024. Site EUI moved from 49.4 kBtu/ft² (2022) to 49.8 kBtu/ft² (2024), an 1% increase. Reported emissions went from 110 tCO₂e to 134 tCO₂e over the same span (up 21%).
What does a site EUI of 49.8 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 23 South 10th Street Condominium's 49.8 kBtu/ft² across 33,600 sq ft works out to about 1.7 billion Btu (490 MWh-equivalent) in 2024. Its source EUI of 90.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 212,338 kWh of electricity, 9,483 therms of natural gas and 1,457 thousand gallons of water for the year.
Which law requires The 23 South 10th Street Condominium to report its energy use?
The 23 South 10th Street 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 2024 disclosure (source record nyc:8647998:2024). 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.
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- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
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- Biggest emitters in New York City
Frequently asked questions
What is The 23 South 10th Street Condominium's energy grade?
The 23 South 10th Street Condominium did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 49.8 kBtu/ft².
How much energy does The 23 South 10th Street Condominium use?
Its 2024 site energy-use intensity was 49.8 kBtu/ft² (90.0 kBtu/ft² source) across 33,600 sq ft, including 212,338 kWh of electricity and 9,483 therms of natural gas.
What are The 23 South 10th Street Condominium's carbon emissions?
The 23 South 10th Street Condominium reported 134 tCO₂e of greenhouse-gas emissions (4.0 kgCO₂e/ft²) for 2024.
Where is The 23 South 10th Street Condominium?
The 23 South 10th Street Condominium is in New York City, New York 11249. Its coordinates are 40.70842, -73.96782 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is The 23 South 10th Street Condominium and when was it built?
The 23 South 10th Street Condominium has 33,600 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2015 as its year built. It is classed as multifamily housing.
Is The 23 South 10th Street Condominium 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, “The 23 South 10th Street Condominium, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/the-23-south-10th-street-condominium-115eb991 (data as of October 2, 2026).