XX(7412) - Southgate - 400 (400 East 52nd St)
Multifamily Housing in New York City, NY · 400 East 52nd St · 10022
At a glance
XX(7412) - Southgate - 400 (400 East 52nd St) is a 186,396-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 146.6 kBtu/ft² and 1,465 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 146.6 kBtu/ft² |
| Source EUI | 156.0 kBtu/ft² |
| GHG emissions | 1,465 tCO₂e |
| GHG intensity | 7.9 kgCO₂e/ft² |
| Electricity | 64,754 kWh |
| Natural gas | 271,119 therms |
| Water use | 10,063 kgal |
| Gross floor area | 186,396 sq ft |
| Source record | nyc:2721374:2024 |
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
- 400 East 52nd St
- City
- New York City
- State
- New York
- ZIP
- 10022
- Coordinates
- 40.75497, -73.96490
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does XX(7412) - Southgate - 400 (400 East 52nd 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. Its site EUI of 146.6 kBtu/ft² is about twice 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 7.9 kgCO₂e/ft² is about 51% above the group average of 5.2 kgCO₂e/ft².
At 186,396 sq ft, it is about 85% above 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.
What does a site EUI of 146.6 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. XX(7412) - Southgate - 400 (400 East 52nd St)'s 146.6 kBtu/ft² across 186,396 sq ft works out to about 27.3 billion Btu (8,008 MWh-equivalent) in 2024. Its source EUI of 156.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 64,754 kWh of electricity, 271,119 therms of natural gas and 10,063 thousand gallons of water for the year.
Which law requires XX(7412) - Southgate - 400 (400 East 52nd St) to report its energy use?
XX(7412) - Southgate - 400 (400 East 52nd 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:2721374:2024). 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
- Dermot - 220 East 72nd Street· 186,395 sq ft · score 98 (A)
- HUNTER GARDENS OWNERS· 186,354 sq ft · score 100 (A)
- A00670M - 81st 82nd St. Owners Inc· 186,300 sq ft · score 100 (A)
- 33-15/25/35 81st Street AKA 33-16/33-26 82nd Street (Parent Property)· 186,300 sq ft · score 44 (D)
- 988 East 180th St Assoc LP (fka Lambert 3A)· 186,120 sq ft · score 90 (A)
- DEPM 1994 - 784 Park Ave· 186,080 sq ft · score 85 (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 XX(7412) - Southgate - 400 (400 East 52nd St)'s energy grade?
XX(7412) - Southgate - 400 (400 East 52nd St) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 146.6 kBtu/ft².
How much energy does XX(7412) - Southgate - 400 (400 East 52nd St) use?
Its 2024 site energy-use intensity was 146.6 kBtu/ft² (156.0 kBtu/ft² source) across 186,396 sq ft, including 64,754 kWh of electricity and 271,119 therms of natural gas.
What are XX(7412) - Southgate - 400 (400 East 52nd St)'s carbon emissions?
XX(7412) - Southgate - 400 (400 East 52nd St) reported 1,465 tCO₂e of greenhouse-gas emissions (7.9 kgCO₂e/ft²) for 2024.
Where is XX(7412) - Southgate - 400 (400 East 52nd St)?
XX(7412) - Southgate - 400 (400 East 52nd St) is in New York City, New York 10022. Its coordinates are 40.75497, -73.96490 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is XX(7412) - Southgate - 400 (400 East 52nd St) and when was it built?
XX(7412) - Southgate - 400 (400 East 52nd St) has 186,396 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 XX(7412) - Southgate - 400 (400 East 52nd 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, “XX(7412) - Southgate - 400 (400 East 52nd St), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/xx-7412-southgate-400-400-east-52nd-st-290b34ef (data as of October 2, 2026).