Lower East Side II Associates-621
Multifamily Housing in New York City, NY · 621 East 9th Street · 10009
At a glance
Lower East Side II Associates-621 is a 43,871-square-foot multifamily housing building at 621 East 9th Street in New York City, New York, built in 1900. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 23 out of 100 (grade D), a site energy-use intensity of 121.8 kBtu/ft² and 319 tCO₂e of greenhouse-gas emissions. That score is higher than 13% 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 | 23 (band D) |
| Site EUI | 121.8 kBtu/ft² |
| Source EUI | 150.3 kBtu/ft² |
| GHG emissions | 319 tCO₂e |
| GHG intensity | 7.3 kgCO₂e/ft² |
| Electricity | 164,617 kWh |
| Natural gas | 47,833 therms |
| Water use | 3,663 kgal |
| Gross floor area | 43,871 sq ft |
| Source record | nyc:6041009:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 23 | -41 | 121.8 kBtu/ft² | 319 tCO₂e |
| 2023 | 64 | -5 | 86.0 kBtu/ft² | 230 tCO₂e |
| 2022 | 69 | 86.3 kBtu/ft² | 220 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 621 East 9th Street
- City
- New York City
- State
- New York
- ZIP
- 10009
- Coordinates
- 40.72590, -73.97941
Within ~1 km
Nearby benchmarked buildings
- Stuyvesant Townscore 83
Multifamily Housing · 9,055,218 sq ft
Multifamily Housing · 5,348,775 sq ft
Multifamily Housing · 2,135,564 sq ft
Multifamily Housing · 2,134,664 sq ft
- WALDscore —
Multifamily Housing · 1,702,331 sq ft
- MSHS. Beth Israel Hospitalscore —
Hospital (General Medical & Surgical) · 933,526 sq ft
See also: most efficient in New York City · biggest emitters
How does Lower East Side II Associates-621 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. Lower East Side II Associates-621's ENERGY STAR score of 23 compares with an average of 63 across the 22,829 that report a score; it scores higher than 13% of them and lower than 86%. Its site EUI of 121.8 kBtu/ft² is about 63% 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 7.3 kgCO₂e/ft² is about 40% above the group average of 5.2 kgCO₂e/ft².
At 43,871 sq ft, it is about 57% below the average floor area of 100,951 sq ft for those buildings. It was built in 1900, 52 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 Lower East Side II Associates-621's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Lower East Side II Associates-621, covering report years 2022–2024. Its ENERGY STAR score went from 69 in 2022 to 23 in 2024 (-46 points); its best year on file was 2022, at 69. Site EUI moved from 86.3 kBtu/ft² (2022) to 121.8 kBtu/ft² (2024), an 41% increase. Reported emissions went from 220 tCO₂e to 319 tCO₂e over the same span (up 45%).
What does an ENERGY STAR score of 23 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 23 means the building performs better than about 23% of its national peers. BuildingCensus bands the score into report-card grades; 23 falls in band D — lowest band (1–54). It sits 52 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. Lower East Side II Associates-621's 121.8 kBtu/ft² across 43,871 sq ft works out to about 5.3 billion Btu (1,566 MWh-equivalent) in 2024. Its source EUI of 150.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 164,617 kWh of electricity, 47,833 therms of natural gas and 3,663 thousand gallons of water for the year.
Which law requires Lower East Side II Associates-621 to report its energy use?
Lower East Side II Associates-621 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:6041009:2024). 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
- OneVesta Property Management: 3245 PERRY AVENUE· 43,870 sq ft · score 84 (B)
- OneVesta: 3245 Perry Ave· 43,870 sq ft · score 98 (A)
- 710 East 9th Street· 43,868 sq ft · score 19 (D)
- Red Group: 1056 Neilson Street· 43,860 sq ft · score 87 (A)
- Southern Park, LLC· 43,855 sq ft · score 92 (A)
- 2036 CRUGER AVENUE· 43,854 sq ft · score 92 (A)
- 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 Lower East Side II Associates-621's energy grade?
Lower East Side II Associates-621 scores 23 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 Lower East Side II Associates-621 use?
Its 2024 site energy-use intensity was 121.8 kBtu/ft² (150.3 kBtu/ft² source) across 43,871 sq ft, including 164,617 kWh of electricity and 47,833 therms of natural gas.
What are Lower East Side II Associates-621's carbon emissions?
Lower East Side II Associates-621 reported 319 tCO₂e of greenhouse-gas emissions (7.3 kgCO₂e/ft²) for 2024.
Where is Lower East Side II Associates-621?
Lower East Side II Associates-621 is at 621 East 9th Street, in New York City, New York 10009. Its coordinates are 40.72590, -73.97941 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Lower East Side II Associates-621 and when was it built?
Lower East Side II Associates-621 has 43,871 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1900 as its year built. It is classed as multifamily housing.
Is Lower East Side II Associates-621 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).
Working with New York City building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Lower East Side II Associates-621, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/lower-east-side-ii-associates-621-adb7ec85 (data as of October 2, 2026).