Danbury_388 Avenue X
Multifamily Housing in New York City, NY · 388 AVENUE X · 11223
At a glance
Danbury_388 Avenue X is a 82,488-square-foot multifamily housing building at 388 AVENUE X in New York City, New York, built in 1970. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 100 out of 100 (grade A), a site energy-use intensity of 39.3 kBtu/ft² and 225 tCO₂e of greenhouse-gas emissions. That score is higher than 90% 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 | 100 (band A) |
| Site EUI | 39.3 kBtu/ft² |
| Source EUI | 59.3 kBtu/ft² |
| GHG emissions | 225 tCO₂e |
| GHG intensity | 2.7 kgCO₂e/ft² |
| Electricity | 249,397 kWh |
| Natural gas | 23,923 therms |
| Water use | 3,904 kgal |
| Gross floor area | 82,488 sq ft |
| Source record | nyc:3120710:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | +8 | 39.3 kBtu/ft² | 225 tCO₂e |
| 2023 | 92 | -5 | 59.0 kBtu/ft² | 303 tCO₂e |
| 2022 | 97 | 54.1 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
- 388 AVENUE X
- City
- New York City
- State
- New York
- ZIP
- 11223
- Coordinates
- 40.59071, -73.96863
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Danbury_388 Avenue X 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. Danbury_388 Avenue X's ENERGY STAR score of 100 compares with an average of 63 across the 22,829 that report a score; it scores higher than 90% of them. Its site EUI of 39.3 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 2.7 kgCO₂e/ft² is about half of the group average of 5.2 kgCO₂e/ft².
At 82,488 sq ft, it is about 18% below the average floor area of 100,951 sq ft for those buildings. It was built in 1970, 18 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 Danbury_388 Avenue X's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Danbury_388 Avenue X, covering report years 2022–2024. Its ENERGY STAR score went from 97 in 2022 to 100 in 2024 (+3 points). Site EUI moved from 54.1 kBtu/ft² (2022) to 39.3 kBtu/ft² (2024), a 27% decrease. Reported emissions went from 264 tCO₂e to 225 tCO₂e over the same span (down 15%).
What does an ENERGY STAR score of 100 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: 100 is the top of the scale. BuildingCensus bands the score into report-card grades; 100 falls in band A — high performer (85–100). 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. Danbury_388 Avenue X's 39.3 kBtu/ft² across 82,488 sq ft works out to about 3.2 billion Btu (950 MWh-equivalent) in 2024. Its source EUI of 59.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 249,397 kWh of electricity, 23,923 therms of natural gas and 3,904 thousand gallons of water for the year.
Which law requires Danbury_388 Avenue X to report its energy use?
Danbury_388 Avenue X 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:3120710:2024). 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
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- 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 Danbury_388 Avenue X's energy grade?
Danbury_388 Avenue X scores 100 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Danbury_388 Avenue X use?
Its 2024 site energy-use intensity was 39.3 kBtu/ft² (59.3 kBtu/ft² source) across 82,488 sq ft, including 249,397 kWh of electricity and 23,923 therms of natural gas.
What are Danbury_388 Avenue X's carbon emissions?
Danbury_388 Avenue X reported 225 tCO₂e of greenhouse-gas emissions (2.7 kgCO₂e/ft²) for 2024.
Where is Danbury_388 Avenue X?
Danbury_388 Avenue X is at 388 AVENUE X, in New York City, New York 11223. Its coordinates are 40.59071, -73.96863 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Danbury_388 Avenue X and when was it built?
Danbury_388 Avenue X has 82,488 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1970 as its year built. It is classed as multifamily housing.
Is Danbury_388 Avenue X 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, “Danbury_388 Avenue X, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/danbury-388-avenue-x-55a536f5 (data as of October 2, 2026).