Century - 343 East 74th Street
Multifamily Housing in New York City, NY · 343 EAST 74 STREET · 10021
At a glance
Century - 343 East 74th Street is a 158,230-square-foot multifamily housing building at 343 EAST 74 STREET in New York City, New York, built in 1987. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 3 out of 100 (grade D), a site energy-use intensity of 140.8 kBtu/ft² and 1,836 tCO₂e of greenhouse-gas emissions. That score is higher than 3% 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 | 3 (band D) |
| Site EUI | 140.8 kBtu/ft² |
| Source EUI | 188.6 kBtu/ft² |
| GHG emissions | 1,836 tCO₂e |
| GHG intensity | 11.6 kgCO₂e/ft² |
| Electricity | 1,200,660 kWh |
| Natural gas | 1,675 therms |
| Water use | 7,573 kgal |
| Gross floor area | 158,230 sq ft |
| Source record | nyc:4952519:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 3 | -5 | 140.8 kBtu/ft² | 1,836 tCO₂e |
| 2023 | 8 | -3 | 97.6 kBtu/ft² | 1,516 tCO₂e |
| 2022 | 11 | 102.1 kBtu/ft² | 1,486 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
- 343 EAST 74 STREET
- City
- New York City
- State
- New York
- ZIP
- 10021
- Coordinates
- 40.76968, -73.95633
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Century - 343 East 74th 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 - 343 East 74th Street's ENERGY STAR score of 3 compares with an average of 63 across the 22,829 that report a score; it scores higher than 3% of them and lower than 96%. Its site EUI of 140.8 kBtu/ft² is about 88% 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 11.6 kgCO₂e/ft² is about 123% above the group average of 5.2 kgCO₂e/ft².
At 158,230 sq ft, it is about 57% above the average floor area of 100,951 sq ft for those buildings. It was built in 1987, 35 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 - 343 East 74th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Century - 343 East 74th Street, covering report years 2022–2024. Its ENERGY STAR score went from 11 in 2022 to 3 in 2024 (-8 points); its best year on file was 2022, at 11. Site EUI moved from 102.1 kBtu/ft² (2022) to 140.8 kBtu/ft² (2024), an 38% increase. Reported emissions went from 1,486 tCO₂e to 1,836 tCO₂e over the same span (up 24%).
What does an ENERGY STAR score of 3 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 3 means the building performs better than about 3% of its national peers. BuildingCensus bands the score into report-card grades; 3 falls in band D — lowest band (1–54). It sits 72 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 - 343 East 74th Street's 140.8 kBtu/ft² across 158,230 sq ft works out to about 22.3 billion Btu (6,529 MWh-equivalent) in 2024. Its source EUI of 188.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,200,660 kWh of electricity, 1,675 therms of natural gas and 7,573 thousand gallons of water for the year.
Which law requires Century - 343 East 74th Street to report its energy use?
Century - 343 East 74th 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:4952519:2024). 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
- DEPM 2882 - 200 East 59th Street· 158,224 sq ft · EUI 39.8 kBtu/ft²
- UPACA (SITE 5)· 158,200 sq ft · score 1 (D)
- Orsid-545 West End Avenue· 158,195 sq ft · score 86 (A)
- (NY03450) - 450 Tenants Corp.· 158,195 sq ft · score 88 (A)
- Z450 Tenants Corp. (FS)· 158,195 sq ft
- The 215 West 28th Street Condominium (215 West 28th Street)· 158,187 sq ft · score 53 (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 Century - 343 East 74th Street's energy grade?
Century - 343 East 74th Street scores 3 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 Century - 343 East 74th Street use?
Its 2024 site energy-use intensity was 140.8 kBtu/ft² (188.6 kBtu/ft² source) across 158,230 sq ft, including 1,200,660 kWh of electricity and 1,675 therms of natural gas.
What are Century - 343 East 74th Street's carbon emissions?
Century - 343 East 74th Street reported 1,836 tCO₂e of greenhouse-gas emissions (11.6 kgCO₂e/ft²) for 2024.
Where is Century - 343 East 74th Street?
Century - 343 East 74th Street is at 343 EAST 74 STREET, in New York City, New York 10021. Its coordinates are 40.76968, -73.95633 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Century - 343 East 74th Street and when was it built?
Century - 343 East 74th Street has 158,230 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1987 as its year built. It is classed as multifamily housing.
Is Century - 343 East 74th 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 - 343 East 74th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/century-343-east-74th-street-0649293b (data as of October 2, 2026).