403/409/415/421 Avenue C, 11218
Multifamily Housing in New York City, NY · 403/409/415/421 Avenue C · 11218
At a glance
403/409/415/421 Avenue C, 11218 is a 59,536-square-foot multifamily housing building in New York City, New York, built in 1915. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 55 out of 100 (grade C), a site energy-use intensity of 82.4 kBtu/ft² and 311 tCO₂e of greenhouse-gas emissions. That score is higher than 36% 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 | 55 (band C) |
| Site EUI | 82.4 kBtu/ft² |
| Source EUI | 110.4 kBtu/ft² |
| GHG emissions | 311 tCO₂e |
| GHG intensity | 5.2 kgCO₂e/ft² |
| Electricity | 237,806 kWh |
| Natural gas | 40,963 therms |
| Gross floor area | 59,536 sq ft |
| Source record | nyc:5830732:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 55 | -4 | 82.4 kBtu/ft² | 311 tCO₂e |
| 2023 | 59 | 79.2 kBtu/ft² | 294 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
- 403/409/415/421 Avenue C
- City
- New York City
- State
- New York
- ZIP
- 11218
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in New York City · biggest emitters
How does 403/409/415/421 Avenue C, 11218 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. 403/409/415/421 Avenue C, 11218's ENERGY STAR score of 55 compares with an average of 63 across the 22,829 that report a score; it scores higher than 36% of them and lower than 63%. Its site EUI of 82.4 kBtu/ft² is about 10% 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 5.2 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 59,536 sq ft, it is about 41% below the average floor area of 100,951 sq ft for those buildings. It was built in 1915, 37 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 403/409/415/421 Avenue C, 11218's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for 403/409/415/421 Avenue C, 11218, covering report years 2023–2024. Its ENERGY STAR score went from 59 in 2023 to 55 in 2024 (-4 points); its best year on file was 2023, at 59. Site EUI moved from 79.2 kBtu/ft² (2023) to 82.4 kBtu/ft² (2024), an 4% increase. Reported emissions went from 294 tCO₂e to 311 tCO₂e over the same span (up 6%).
What does an ENERGY STAR score of 55 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 55 means the building performs better than about 55% of its national peers. BuildingCensus bands the score into report-card grades; 55 falls in band C — below median (55–69). It sits 20 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. 403/409/415/421 Avenue C, 11218's 82.4 kBtu/ft² across 59,536 sq ft works out to about 4.9 billion Btu (1,438 MWh-equivalent) in 2024. Its source EUI of 110.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 237,806 kWh of electricity and 40,963 therms of natural gas for the year.
Which law requires 403/409/415/421 Avenue C, 11218 to report its energy use?
403/409/415/421 Avenue C, 11218 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:5830732:2024). 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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- All New York City benchmarked buildings· Local Law 84 (LL84)
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Frequently asked questions
What is 403/409/415/421 Avenue C, 11218's energy grade?
403/409/415/421 Avenue C, 11218 scores 55 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 403/409/415/421 Avenue C, 11218 use?
Its 2024 site energy-use intensity was 82.4 kBtu/ft² (110.4 kBtu/ft² source) across 59,536 sq ft, including 237,806 kWh of electricity and 40,963 therms of natural gas.
What are 403/409/415/421 Avenue C, 11218's carbon emissions?
403/409/415/421 Avenue C, 11218 reported 311 tCO₂e of greenhouse-gas emissions (5.2 kgCO₂e/ft²) for 2024.
Where is 403/409/415/421 Avenue C, 11218?
403/409/415/421 Avenue C, 11218 is in New York City, New York 11218.
How big is 403/409/415/421 Avenue C, 11218 and when was it built?
403/409/415/421 Avenue C, 11218 has 59,536 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1915 as its year built. It is classed as multifamily housing.
Is 403/409/415/421 Avenue C, 11218 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, “403/409/415/421 Avenue C, 11218, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/403-409-415-421-avenue-c-11218-08c2fa6f (data as of October 2, 2026).