2406 Realty LLC
Multifamily Housing in New York City, NY · 2406 University Ave · 10468
At a glance
2406 Realty LLC is a 49,614-square-foot multifamily housing building at 2406 University Ave in New York City, New York, built in 1920. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 1 out of 100 (grade D), a site energy-use intensity of 141.2 kBtu/ft² and 513 tCO₂e of greenhouse-gas emissions. That score is higher than 0% 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 | 1 (band D) |
| Site EUI | 141.2 kBtu/ft² |
| Source EUI | 228.7 kBtu/ft² |
| GHG emissions | 513 tCO₂e |
| GHG intensity | 10.3 kgCO₂e/ft² |
| Electricity | 668,148 kWh |
| Natural gas | 47,253 therms |
| Gross floor area | 49,614 sq ft |
| Source record | nyc:6793646:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 1 | ±0 | 141.2 kBtu/ft² | 513 tCO₂e |
| 2023 | 1 | ±0 | 124.9 kBtu/ft² | 455 tCO₂e |
| 2022 | 1 | 135.4 kBtu/ft² | 424 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
- 2406 University Ave
- City
- New York City
- State
- New York
- ZIP
- 10468
- Coordinates
- 40.86309, -73.90471
Within ~1 km
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How does 2406 Realty 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. 2406 Realty LLC's ENERGY STAR score of 1 compares with an average of 63 across the 22,829 that report a score; it scores higher than 0% of them and lower than 97%. Its site EUI of 141.2 kBtu/ft² is about 89% 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 10.3 kgCO₂e/ft² is about twice the group average of 5.2 kgCO₂e/ft².
At 49,614 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 1920, 32 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 2406 Realty LLC's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 2406 Realty LLC, covering report years 2022–2024. Its ENERGY STAR score was 1 in both 2022 and 2024. Site EUI moved from 135.4 kBtu/ft² (2022) to 141.2 kBtu/ft² (2024), an 4% increase. Reported emissions went from 424 tCO₂e to 513 tCO₂e over the same span (up 21%).
What does an ENERGY STAR score of 1 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: 1 is the bottom of the scale. BuildingCensus bands the score into report-card grades; 1 falls in band D — lowest band (1–54). It sits 74 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. 2406 Realty LLC's 141.2 kBtu/ft² across 49,614 sq ft works out to about 7 billion Btu (2,053 MWh-equivalent) in 2024. Its source EUI of 228.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 668,148 kWh of electricity and 47,253 therms of natural gas for the year.
Which law requires 2406 Realty LLC to report its energy use?
2406 Realty 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 2024 disclosure (source record nyc:6793646:2024). 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
- 736 West End Avenue· 49,603 sq ft · score 95 (A)
- Manhattan Beach Senior Housing LP Corbin· 49,600 sq ft · score 1 (D)
- 120-10/12 85th Ave· 49,600 sq ft · score 31 (D)
- 720 St. Mary's Street· 49,600 sq ft · score 81 (B)
- 161 Corbin Place· 49,600 sq ft
- 1685 MORRIS AVENUE LLC· 49,590 sq ft · score 64 (C)
- 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 2406 Realty LLC's energy grade?
2406 Realty LLC scores 1 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 2406 Realty LLC use?
Its 2024 site energy-use intensity was 141.2 kBtu/ft² (228.7 kBtu/ft² source) across 49,614 sq ft, including 668,148 kWh of electricity and 47,253 therms of natural gas.
What are 2406 Realty LLC's carbon emissions?
2406 Realty LLC reported 513 tCO₂e of greenhouse-gas emissions (10.3 kgCO₂e/ft²) for 2024.
Where is 2406 Realty LLC?
2406 Realty LLC is at 2406 University Ave, in New York City, New York 10468. Its coordinates are 40.86309, -73.90471 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 2406 Realty LLC and when was it built?
2406 Realty LLC has 49,614 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1920 as its year built. It is classed as multifamily housing.
Is 2406 Realty LLC 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, “2406 Realty LLC, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/2406-realty-llc-5bc1cec5 (data as of October 2, 2026).