Warren House Condominium
Multifamily Housing in New York City, NY · 155 East 34th Street · 10016
At a glance
Warren House Condominium is a 340,338-square-foot multifamily housing building at 155 East 34th Street in New York City, New York, built in 1962. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 100.3 kBtu/ft² and 2,388 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 100.3 kBtu/ft² |
| Source EUI | 153.1 kBtu/ft² |
| GHG emissions | 2,388 tCO₂e |
| GHG intensity | 7.0 kgCO₂e/ft² |
| Electricity | 2,721,513 kWh |
| Natural gas | 248,485 therms |
| Water use | 13,144 kgal |
| Gross floor area | 340,338 sq ft |
| Source record | nyc:2745664:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 100.3 kBtu/ft² | 2,388 tCO₂e | |
| 2023 | — | 111.3 kBtu/ft² | 2,529 tCO₂e | |
| 2022 | — | 142.7 kBtu/ft² | 2,814 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
- 155 East 34th Street
- City
- New York City
- State
- New York
- ZIP
- 10016
- Coordinates
- 40.74616, -73.97913
Within ~1 km
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How does Warren House 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 100.3 kBtu/ft² is about 34% 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 7.0 kgCO₂e/ft² is about 35% above the group average of 5.2 kgCO₂e/ft².
At 340,338 sq ft, it is about 237% above the average floor area of 100,951 sq ft for those buildings. It was built in 1962, 10 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 Warren House Condominium's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Warren House Condominium, covering report years 2022–2024. Site EUI moved from 142.7 kBtu/ft² (2022) to 100.3 kBtu/ft² (2024), a 30% decrease. Reported emissions went from 2,814 tCO₂e to 2,388 tCO₂e over the same span (down 15%).
What does a site EUI of 100.3 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. Warren House Condominium's 100.3 kBtu/ft² across 340,338 sq ft works out to about 34.1 billion Btu (10,004 MWh-equivalent) in 2024. Its source EUI of 153.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,721,513 kWh of electricity, 248,485 therms of natural gas and 13,144 thousand gallons of water for the year.
Which law requires Warren House Condominium to report its energy use?
Warren House 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:2745664:2024). 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
- Orsid- 300 East 71st Street (former Akam)· 340,286 sq ft · score 56 (C)
- 300 West 145 Street· 339,930 sq ft · score 31 (D)
- The One Lincoln Square Condominium (150 Columbus Ave)· 339,840 sq ft · score 80 (B)
- 42 Trinity Place Condominium (77 Greenwich Street )· 339,620 sq ft · score 56 (C)
- Allied - 100 East 53rd Street· 339,294 sq ft · score 2 (D)
- 100 East 53rd Street· 339,294 sq ft · score 2 (D)
- 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 Warren House Condominium's energy grade?
Warren House Condominium did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 100.3 kBtu/ft².
How much energy does Warren House Condominium use?
Its 2024 site energy-use intensity was 100.3 kBtu/ft² (153.1 kBtu/ft² source) across 340,338 sq ft, including 2,721,513 kWh of electricity and 248,485 therms of natural gas.
What are Warren House Condominium's carbon emissions?
Warren House Condominium reported 2,388 tCO₂e of greenhouse-gas emissions (7.0 kgCO₂e/ft²) for 2024.
Where is Warren House Condominium?
Warren House Condominium is at 155 East 34th Street, in New York City, New York 10016. Its coordinates are 40.74616, -73.97913 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Warren House Condominium and when was it built?
Warren House Condominium has 340,338 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1962 as its year built. It is classed as multifamily housing.
Is Warren House 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, “Warren House Condominium, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/warren-house-condominium-72abbc27 (data as of October 2, 2026).