The Blue Condominium (105 Norfolk Street)
Multifamily Housing in New York City, NY · 105 Norfolk Street · 10002
At a glance
The Blue Condominium (105 Norfolk Street) is a 52,115-square-foot multifamily housing building in New York City, New York, built in 2005. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 16 out of 100 (grade D), a site energy-use intensity of 75.5 kBtu/ft² and 297 tCO₂e of greenhouse-gas emissions. That score is higher than 10% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 16 (band D) |
| Site EUI | 75.5 kBtu/ft² |
| Source EUI | 127.2 kBtu/ft² |
| GHG emissions | 297 tCO₂e |
| GHG intensity | 5.7 kgCO₂e/ft² |
| Electricity | 417,890 kWh |
| Natural gas | 25,106 therms |
| Gross floor area | 52,115 sq ft |
| Source record | nyc:20413894:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 16 | -7 | 75.5 kBtu/ft² | 297 tCO₂e |
| 2023 | 23 | +3 | 68.1 kBtu/ft² | 274 tCO₂e |
| 2022 | 20 | 74.7 kBtu/ft² | 264 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
- 105 Norfolk Street
- City
- New York City
- State
- New York
- ZIP
- 10002
- Coordinates
- 40.71888, -73.98712
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does The Blue Condominium (105 Norfolk Street) 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. The Blue Condominium (105 Norfolk Street)'s ENERGY STAR score of 16 compares with an average of 63 across the 22,829 that report a score; it scores higher than 10% of them and lower than 90%. Its site EUI of 75.5 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 5.7 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 52,115 sq ft, it is about half of 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 Blue Condominium (105 Norfolk Street)'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for The Blue Condominium (105 Norfolk Street), covering report years 2022–2024. Its ENERGY STAR score went from 20 in 2022 to 16 in 2024 (-4 points); its best year on file was 2023, at 23. Site EUI moved from 74.7 kBtu/ft² (2022) to 75.5 kBtu/ft² (2024), an 1% increase. Reported emissions went from 264 tCO₂e to 297 tCO₂e over the same span (up 13%).
What does an ENERGY STAR score of 16 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 16 means the building performs better than about 16% of its national peers. BuildingCensus bands the score into report-card grades; 16 falls in band D — lowest band (1–54). It sits 59 points below 75, the threshold for ENERGY STAR certification. In New York City, 43% of scored buildings are at 75 or above.
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 Blue Condominium (105 Norfolk Street)'s 75.5 kBtu/ft² across 52,115 sq ft works out to about 3.9 billion Btu (1,153 MWh-equivalent) in 2024. Its source EUI of 127.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 417,890 kWh of electricity and 25,106 therms of natural gas for the year.
Which law requires The Blue Condominium (105 Norfolk Street) to report its energy use?
The Blue Condominium (105 Norfolk Street) 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:20413894:2024). 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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Frequently asked questions
What is The Blue Condominium (105 Norfolk Street)'s energy grade?
The Blue Condominium (105 Norfolk Street) scores 16 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does The Blue Condominium (105 Norfolk Street) use?
Its 2024 site energy-use intensity was 75.5 kBtu/ft² (127.2 kBtu/ft² source) across 52,115 sq ft, including 417,890 kWh of electricity and 25,106 therms of natural gas.
What are The Blue Condominium (105 Norfolk Street)'s carbon emissions?
The Blue Condominium (105 Norfolk Street) reported 297 tCO₂e of greenhouse-gas emissions (5.7 kgCO₂e/ft²) for 2024.
Where is The Blue Condominium (105 Norfolk Street)?
The Blue Condominium (105 Norfolk Street) is in New York City, New York 10002. Its coordinates are 40.71888, -73.98712 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is The Blue Condominium (105 Norfolk Street) and when was it built?
The Blue Condominium (105 Norfolk Street) has 52,115 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2005 as its year built. It is classed as multifamily housing.
Is The Blue Condominium (105 Norfolk Street) 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 Blue Condominium (105 Norfolk Street), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/the-blue-condominium-105-norfolk-street-fe3bd3b8 (data as of October 2, 2026).