JI Estates LLC
Multifamily Housing in New York City, NY · 123 Marine Avenue · 11209
At a glance
JI Estates LLC is a 30,480-square-foot multifamily housing building at 123 Marine Avenue in New York City, New York, built in 1937. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 31 out of 100 (grade D), a site energy-use intensity of 93.6 kBtu/ft² and 170 tCO₂e of greenhouse-gas emissions. That score is higher than 18% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 31 (band D) |
| Site EUI | 93.6 kBtu/ft² |
| Source EUI | 116.9 kBtu/ft² |
| GHG emissions | 170 tCO₂e |
| GHG intensity | 5.6 kgCO₂e/ft² |
| Electricity | 95,114 kWh |
| Natural gas | 25,275 therms |
| Water use | 1,450 kgal |
| Gross floor area | 30,480 sq ft |
| Source record | nyc:6284123:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 31 | +10 | 93.6 kBtu/ft² | 170 tCO₂e |
| 2022 | 21 | 114.2 kBtu/ft² | 196 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
- 123 Marine Avenue
- City
- New York City
- State
- New York
- ZIP
- 11209
- Coordinates
- 40.61722, -74.03601
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does JI Estates LLC 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. JI Estates LLC's ENERGY STAR score of 31 compares with an average of 63 across the 22,829 that report a score; it scores higher than 18% of them and lower than 82%. Its site EUI of 93.6 kBtu/ft² is about 25% 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 5.6 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 30,480 sq ft, it is about 70% below the average floor area of 100,951 sq ft for those buildings. It was built in 1937, 15 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 JI Estates LLC's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for JI Estates LLC, covering report years 2022–2023. Its ENERGY STAR score went from 21 in 2022 to 31 in 2023 (+10 points). Site EUI moved from 114.2 kBtu/ft² (2022) to 93.6 kBtu/ft² (2023), a 18% decrease. Reported emissions went from 196 tCO₂e to 170 tCO₂e over the same span (down 13%).
What does an ENERGY STAR score of 31 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 31 means the building performs better than about 31% of its national peers. BuildingCensus bands the score into report-card grades; 31 falls in band D — lowest band (1–54). It sits 44 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. JI Estates LLC's 93.6 kBtu/ft² across 30,480 sq ft works out to about 2.9 billion Btu (836 MWh-equivalent) in 2023. Its source EUI of 116.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 95,114 kWh of electricity, 25,275 therms of natural gas and 1,450 thousand gallons of water for the year.
Which law requires JI Estates LLC to report its energy use?
JI Estates LLC 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 2023 disclosure (source record nyc:6284123:2023). 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
- 1351 Brooklyn Ave· 30,478 sq ft · score 41 (D)
- 1351 Brooklyn Ave - Brooklyn· 30,478 sq ft · score 27 (D)
- Gilman: 397 E 49th St· 30,474 sq ft · score 28 (D)
- Gilman: 397 E 49th St.· 30,474 sq ft · score 25 (D)
- Haljilj Sahmanovic - 2974 Perry ave· 30,469 sq ft · score 100 (A)
- 44-11/13/15/17 48th Avenue AKA 47-56/60 45th Street· 30,468 sq ft · score 14 (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 JI Estates LLC's energy grade?
JI Estates LLC scores 31 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does JI Estates LLC use?
Its 2023 site energy-use intensity was 93.6 kBtu/ft² (116.9 kBtu/ft² source) across 30,480 sq ft, including 95,114 kWh of electricity and 25,275 therms of natural gas.
What are JI Estates LLC's carbon emissions?
JI Estates LLC reported 170 tCO₂e of greenhouse-gas emissions (5.6 kgCO₂e/ft²) for 2023.
Where is JI Estates LLC?
JI Estates LLC is at 123 Marine Avenue, in New York City, New York 11209. Its coordinates are 40.61722, -74.03601 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is JI Estates LLC and when was it built?
JI Estates LLC has 30,480 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1937 as its year built. It is classed as multifamily housing.
Is JI Estates LLC covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “JI Estates LLC, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/ji-estates-llc-ef7d07c3 (data as of October 2, 2026).