Isaac Dahan Real Estate 35 Broadway
Multifamily Housing in New York City, NY · 35 Broadway · 11249
At a glance
Isaac Dahan Real Estate 35 Broadway is a 34,380-square-foot multifamily housing building in New York City, New York, built in 1900. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 89.8 kBtu/ft² and 216 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 89.8 kBtu/ft² |
| Source EUI | 136.6 kBtu/ft² |
| GHG emissions | 216 tCO₂e |
| GHG intensity | 6.3 kgCO₂e/ft² |
| Electricity | 244,004 kWh |
| Natural gas | 22,537 therms |
| Water use | 1,636 kgal |
| Gross floor area | 34,380 sq ft |
| Source record | nyc:16851965:2024 |
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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 35 Broadway
- City
- New York City
- State
- New York
- ZIP
- 11249
- Coordinates
- 40.71070, -73.96740
Within ~1 km
Nearby benchmarked buildings
Multifamily Housing · 2,135,564 sq ft
Multifamily Housing · 2,134,664 sq ft
- 325 Kentscore —
Multifamily Housing · 1,115,242 sq ft
- KM - Campus - 70 Ross Stscore 6
Multifamily Housing · 748,308 sq ft
- KM - Campus - 70 Ross Stscore 9
Multifamily Housing · 748,308 sq ft
- 99 Wilson Stscore 64
Multifamily Housing · 737,350 sq ft
See also: most efficient in New York City · biggest emitters
How does Isaac Dahan Real Estate 35 Broadway 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 89.8 kBtu/ft² is about 20% 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 6.3 kgCO₂e/ft² is about 21% above the group average of 5.2 kgCO₂e/ft².
At 34,380 sq ft, it is about 66% below the average floor area of 100,951 sq ft for those buildings. It was built in 1900, 52 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 89.8 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. Isaac Dahan Real Estate 35 Broadway's 89.8 kBtu/ft² across 34,380 sq ft works out to about 3.1 billion Btu (905 MWh-equivalent) in 2024. Its source EUI of 136.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 244,004 kWh of electricity, 22,537 therms of natural gas and 1,636 thousand gallons of water for the year.
Which law requires Isaac Dahan Real Estate 35 Broadway to report its energy use?
Isaac Dahan Real Estate 35 Broadway 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:16851965:2024). 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
- Narrows Management: 460 Ovington Avenue· 34,379 sq ft · score 95 (A)
- P. Zaccaro: 73-75 Sullivan St.· 34,374 sq ft · EUI 28.6 kBtu/ft²
- (9816) - 243-253 East 78th Street (243 East 78th Street)· 34,374 sq ft · score 83 (B)
- 215 Sterling Street· 34,370 sq ft · score 50 (D)
- 352 Beekman Ave· 34,362 sq ft
- 348 Beekman Ave· 34,362 sq ft
- 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 Isaac Dahan Real Estate 35 Broadway's energy grade?
Isaac Dahan Real Estate 35 Broadway did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 89.8 kBtu/ft².
How much energy does Isaac Dahan Real Estate 35 Broadway use?
Its 2024 site energy-use intensity was 89.8 kBtu/ft² (136.6 kBtu/ft² source) across 34,380 sq ft, including 244,004 kWh of electricity and 22,537 therms of natural gas.
What are Isaac Dahan Real Estate 35 Broadway's carbon emissions?
Isaac Dahan Real Estate 35 Broadway reported 216 tCO₂e of greenhouse-gas emissions (6.3 kgCO₂e/ft²) for 2024.
Where is Isaac Dahan Real Estate 35 Broadway?
Isaac Dahan Real Estate 35 Broadway is in New York City, New York 11249. Its coordinates are 40.71070, -73.96740 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Isaac Dahan Real Estate 35 Broadway and when was it built?
Isaac Dahan Real Estate 35 Broadway has 34,380 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1900 as its year built. It is classed as multifamily housing.
Is Isaac Dahan Real Estate 35 Broadway 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).
Working with New York City building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Isaac Dahan Real Estate 35 Broadway, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/isaac-dahan-real-estate-35-broadway-742720d2 (data as of October 2, 2026).