399 East 72nd Apartment Owners Inc. (399 E 72 St)
Multifamily Housing in New York City, NY · 399 E 72 St · 10021
At a glance
399 East 72nd Apartment Owners Inc. (399 E 72 St) is a 159,403-square-foot multifamily housing building in New York City, New York, built in 1960. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 19 out of 100 (grade D), a site energy-use intensity of 96.8 kBtu/ft² and 1,218 tCO₂e of greenhouse-gas emissions. That score is higher than 11% 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 | 19 (band D) |
| Site EUI | 96.8 kBtu/ft² |
| Source EUI | 156.8 kBtu/ft² |
| GHG emissions | 1,218 tCO₂e |
| GHG intensity | 7.6 kgCO₂e/ft² |
| Electricity | 1,187,271 kWh |
| Natural gas | 2,612 therms |
| Water use | 8,012 kgal |
| Gross floor area | 159,403 sq ft |
| Source record | nyc:2671358:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 19 | -44 | 96.8 kBtu/ft² | 1,218 tCO₂e |
| 2023 | 63 | +2 | 62.1 kBtu/ft² | 809 tCO₂e |
| 2022 | 61 | 67.6 kBtu/ft² | 782 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
- 399 E 72 St
- City
- New York City
- State
- New York
- ZIP
- 10021
- Coordinates
- 40.76778, -73.95592
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 399 East 72nd Apartment Owners Inc. (399 E 72 St) 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. 399 East 72nd Apartment Owners Inc. (399 E 72 St)'s ENERGY STAR score of 19 compares with an average of 63 across the 22,829 that report a score; it scores higher than 11% of them and lower than 88%. Its site EUI of 96.8 kBtu/ft² is about 29% 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 7.6 kgCO₂e/ft² is about 47% above the group average of 5.2 kgCO₂e/ft².
At 159,403 sq ft, it is about 58% above the average floor area of 100,951 sq ft for those buildings. It was built in 1960, 8 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 399 East 72nd Apartment Owners Inc. (399 E 72 St)'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 399 East 72nd Apartment Owners Inc. (399 E 72 St), covering report years 2022–2024. Its ENERGY STAR score went from 61 in 2022 to 19 in 2024 (-42 points); its best year on file was 2023, at 63. Site EUI moved from 67.6 kBtu/ft² (2022) to 96.8 kBtu/ft² (2024), an 43% increase. Reported emissions went from 782 tCO₂e to 1,218 tCO₂e over the same span (up 56%).
What does an ENERGY STAR score of 19 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 19 means the building performs better than about 19% of its national peers. BuildingCensus bands the score into report-card grades; 19 falls in band D — lowest band (1–54). It sits 56 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. 399 East 72nd Apartment Owners Inc. (399 E 72 St)'s 96.8 kBtu/ft² across 159,403 sq ft works out to about 15.4 billion Btu (4,522 MWh-equivalent) in 2024. Its source EUI of 156.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,187,271 kWh of electricity, 2,612 therms of natural gas and 8,012 thousand gallons of water for the year.
Which law requires 399 East 72nd Apartment Owners Inc. (399 E 72 St) to report its energy use?
399 East 72nd Apartment Owners Inc. (399 E 72 St) 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:2671358:2024). 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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Frequently asked questions
What is 399 East 72nd Apartment Owners Inc. (399 E 72 St)'s energy grade?
399 East 72nd Apartment Owners Inc. (399 E 72 St) scores 19 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 399 East 72nd Apartment Owners Inc. (399 E 72 St) use?
Its 2024 site energy-use intensity was 96.8 kBtu/ft² (156.8 kBtu/ft² source) across 159,403 sq ft, including 1,187,271 kWh of electricity and 2,612 therms of natural gas.
What are 399 East 72nd Apartment Owners Inc. (399 E 72 St)'s carbon emissions?
399 East 72nd Apartment Owners Inc. (399 E 72 St) reported 1,218 tCO₂e of greenhouse-gas emissions (7.6 kgCO₂e/ft²) for 2024.
Where is 399 East 72nd Apartment Owners Inc. (399 E 72 St)?
399 East 72nd Apartment Owners Inc. (399 E 72 St) is in New York City, New York 10021. Its coordinates are 40.76778, -73.95592 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 399 East 72nd Apartment Owners Inc. (399 E 72 St) and when was it built?
399 East 72nd Apartment Owners Inc. (399 E 72 St) has 159,403 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1960 as its year built. It is classed as multifamily housing.
Is 399 East 72nd Apartment Owners Inc. (399 E 72 St) 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, “399 East 72nd Apartment Owners Inc. (399 E 72 St), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/399-east-72nd-apartment-owners-inc-399-e-72-st-20dc6114 (data as of October 2, 2026).