Century - 100 Norfolk Street
Multifamily Housing in New York City, NY · 100 NORFOLK STREET · 10002
At a glance
Century - 100 Norfolk Street is a 55,204-square-foot multifamily housing building at 100 NORFOLK STREET in New York City, New York, built in 2014. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 83 out of 100 (grade B), a site energy-use intensity of 34.6 kBtu/ft² and 186 tCO₂e of greenhouse-gas emissions. That score is higher than 67% 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 | 83 (band B) |
| Site EUI | 34.6 kBtu/ft² |
| Source EUI | 79.5 kBtu/ft² |
| GHG emissions | 186 tCO₂e |
| GHG intensity | 3.4 kgCO₂e/ft² |
| Electricity | 399,251 kWh |
| Natural gas | 5,491 therms |
| Water use | 1,053 kgal |
| Gross floor area | 55,204 sq ft |
| Source record | nyc:15527709:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 83 | +3 | 34.6 kBtu/ft² | 186 tCO₂e |
| 2023 | 80 | +4 | 37.1 kBtu/ft² | 182 tCO₂e |
| 2022 | 76 | 41.8 kBtu/ft² | 168 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
- 100 NORFOLK STREET
- City
- New York City
- State
- New York
- ZIP
- 10002
- Coordinates
- 40.71878, -73.98715
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Century - 100 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. Century - 100 Norfolk Street's ENERGY STAR score of 83 compares with an average of 63 across the 22,829 that report a score; it scores higher than 67% of them and lower than 32%. Its site EUI of 34.6 kBtu/ft² is about half of 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 3.4 kgCO₂e/ft² is about 35% below the group average of 5.2 kgCO₂e/ft².
At 55,204 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 2014, 62 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 Century - 100 Norfolk Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Century - 100 Norfolk Street, covering report years 2022–2024. Its ENERGY STAR score went from 76 in 2022 to 83 in 2024 (+7 points). Site EUI moved from 41.8 kBtu/ft² (2022) to 34.6 kBtu/ft² (2024), a 17% decrease. Reported emissions went from 168 tCO₂e to 186 tCO₂e over the same span (up 10%).
What does an ENERGY STAR score of 83 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 83 means the building performs better than about 83% of its national peers. BuildingCensus bands the score into report-card grades; 83 falls in band B — above median (70–84). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. Century - 100 Norfolk Street's 34.6 kBtu/ft² across 55,204 sq ft works out to about 1.9 billion Btu (560 MWh-equivalent) in 2024. Its source EUI of 79.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 399,251 kWh of electricity, 5,491 therms of natural gas and 1,053 thousand gallons of water for the year.
Which law requires Century - 100 Norfolk Street to report its energy use?
Century - 100 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:15527709:2024). 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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- Least efficient large buildings in New York City
- Biggest emitters in New York City
Frequently asked questions
What is Century - 100 Norfolk Street's energy grade?
Century - 100 Norfolk Street scores 83 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Century - 100 Norfolk Street use?
Its 2024 site energy-use intensity was 34.6 kBtu/ft² (79.5 kBtu/ft² source) across 55,204 sq ft, including 399,251 kWh of electricity and 5,491 therms of natural gas.
What are Century - 100 Norfolk Street's carbon emissions?
Century - 100 Norfolk Street reported 186 tCO₂e of greenhouse-gas emissions (3.4 kgCO₂e/ft²) for 2024.
Where is Century - 100 Norfolk Street?
Century - 100 Norfolk Street is at 100 NORFOLK STREET, in New York City, New York 10002. Its coordinates are 40.71878, -73.98715 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Century - 100 Norfolk Street and when was it built?
Century - 100 Norfolk Street has 55,204 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2014 as its year built. It is classed as multifamily housing.
Is Century - 100 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, “Century - 100 Norfolk Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/century-100-norfolk-street-5706b6db (data as of October 2, 2026).