Century - 31 East 28th Street
Multifamily Housing in New York City, NY · 31 EAST 28 STREET · 10016
At a glance
Century - 31 East 28th Street is a 49,396-square-foot multifamily housing building at 31 EAST 28 STREET in New York City, New York, built in 1913. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 64 out of 100 (grade C), a site energy-use intensity of 47.3 kBtu/ft² and 202 tCO₂e of greenhouse-gas emissions. That score is higher than 44% 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 | 64 (band C) |
| Site EUI | 47.3 kBtu/ft² |
| Source EUI | 94.3 kBtu/ft² |
| GHG emissions | 202 tCO₂e |
| GHG intensity | 4.1 kgCO₂e/ft² |
| Electricity | 369,399 kWh |
| Natural gas | 10,758 therms |
| Water use | 927 kgal |
| Gross floor area | 49,396 sq ft |
| Source record | nyc:6602654:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 64 | -17 | 47.3 kBtu/ft² | 202 tCO₂e |
| 2023 | 81 | +8 | 39.2 kBtu/ft² | 163 tCO₂e |
| 2022 | 73 | 45.2 kBtu/ft² | 158 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
- 31 EAST 28 STREET
- City
- New York City
- State
- New York
- ZIP
- 10016
- Coordinates
- 40.74387, -73.98534
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Century - 31 East 28th 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 - 31 East 28th Street's ENERGY STAR score of 64 compares with an average of 63 across the 22,829 that report a score; it scores higher than 44% of them and lower than 55%. Its site EUI of 47.3 kBtu/ft² is about 37% below 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 4.1 kgCO₂e/ft² is about 21% below the group average of 5.2 kgCO₂e/ft².
At 49,396 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 1913, 39 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.
How has Century - 31 East 28th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Century - 31 East 28th Street, covering report years 2022–2024. Its ENERGY STAR score went from 73 in 2022 to 64 in 2024 (-9 points); its best year on file was 2023, at 81. Site EUI moved from 45.2 kBtu/ft² (2022) to 47.3 kBtu/ft² (2024), an 5% increase. Reported emissions went from 158 tCO₂e to 202 tCO₂e over the same span (up 28%).
What does an ENERGY STAR score of 64 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 64 means the building performs better than about 64% of its national peers. BuildingCensus bands the score into report-card grades; 64 falls in band C — below median (55–69). It sits 11 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. Century - 31 East 28th Street's 47.3 kBtu/ft² across 49,396 sq ft works out to about 2.3 billion Btu (685 MWh-equivalent) in 2024. Its source EUI of 94.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 369,399 kWh of electricity, 10,758 therms of natural gas and 927 thousand gallons of water for the year.
Which law requires Century - 31 East 28th Street to report its energy use?
Century - 31 East 28th 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:6602654:2024). 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
- 545-547 W 158th St· 49,394 sq ft · score 69 (C)
- 2526 Bronx Park East, Bronx· 49,388 sq ft · score 46 (D)
- (4045) - The 150 E 37th St Condo (150 East 37th Street)· 49,386 sq ft · score 99 (A)
- 25-21 31st Ave· 49,386 sq ft · score 84 (B)
- 247 Audubon Ave, 10033· 49,380 sq ft · score 51 (D)
- Living - 517 West 29th Street· 49,375 sq ft · score 60 (C)
- 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 Century - 31 East 28th Street's energy grade?
Century - 31 East 28th Street scores 64 out of 100 on ENERGY STAR — band C, below median (55–69) — 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 - 31 East 28th Street use?
Its 2024 site energy-use intensity was 47.3 kBtu/ft² (94.3 kBtu/ft² source) across 49,396 sq ft, including 369,399 kWh of electricity and 10,758 therms of natural gas.
What are Century - 31 East 28th Street's carbon emissions?
Century - 31 East 28th Street reported 202 tCO₂e of greenhouse-gas emissions (4.1 kgCO₂e/ft²) for 2024.
Where is Century - 31 East 28th Street?
Century - 31 East 28th Street is at 31 EAST 28 STREET, in New York City, New York 10016. Its coordinates are 40.74387, -73.98534 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Century - 31 East 28th Street and when was it built?
Century - 31 East 28th Street has 49,396 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1913 as its year built. It is classed as multifamily housing.
Is Century - 31 East 28th 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 - 31 East 28th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/century-31-east-28th-street-0a96dfff (data as of October 2, 2026).