MGRE - 2-40 51st Avenue
Multifamily Housing in New York City, NY · 2-40 51st Avenue · 11101
At a glance
MGRE - 2-40 51st Avenue is a 53,983-square-foot multifamily housing building in New York City, New York, built in 2007. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 57 out of 100 (grade C), a site energy-use intensity of 52.5 kBtu/ft² and 233 tCO₂e of greenhouse-gas emissions. That score is higher than 38% 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 | 57 (band C) |
| Site EUI | 52.5 kBtu/ft² |
| Source EUI | 103.2 kBtu/ft² |
| GHG emissions | 233 tCO₂e |
| GHG intensity | 4.3 kgCO₂e/ft² |
| Electricity | 435,335 kWh |
| Natural gas | 13,473 therms |
| Water use | 3,400 kgal |
| Gross floor area | 53,983 sq ft |
| Source record | nyc:10830832:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 57 | -11 | 52.5 kBtu/ft² | 233 tCO₂e |
| 2022 | 68 | 47.9 kBtu/ft² | 188 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
- 2-40 51st Avenue
- City
- New York City
- State
- New York
- ZIP
- 11101
- Coordinates
- 40.74280, -73.95831
Within ~1 km
Nearby benchmarked buildings
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- 77 COMMERCIAL ST.score 99
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- 52-03 Center Blvd LLCscore 87
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See also: most efficient in New York City · biggest emitters
How does MGRE - 2-40 51st Avenue 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. MGRE - 2-40 51st Avenue's ENERGY STAR score of 57 compares with an average of 63 across the 22,829 that report a score; it scores higher than 38% of them and lower than 61%. Its site EUI of 52.5 kBtu/ft² is about 30% below 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 4.3 kgCO₂e/ft² is about 17% below the group average of 5.2 kgCO₂e/ft².
At 53,983 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 2007, 55 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 MGRE - 2-40 51st Avenue's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for MGRE - 2-40 51st Avenue, covering report years 2022–2023. Its ENERGY STAR score went from 68 in 2022 to 57 in 2023 (-11 points); its best year on file was 2022, at 68. Site EUI moved from 47.9 kBtu/ft² (2022) to 52.5 kBtu/ft² (2023), an 10% increase. Reported emissions went from 188 tCO₂e to 233 tCO₂e over the same span (up 24%).
What does an ENERGY STAR score of 57 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 57 means the building performs better than about 57% of its national peers. BuildingCensus bands the score into report-card grades; 57 falls in band C — below median (55–69). It sits 18 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. MGRE - 2-40 51st Avenue's 52.5 kBtu/ft² across 53,983 sq ft works out to about 2.8 billion Btu (831 MWh-equivalent) in 2023. Its source EUI of 103.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 435,335 kWh of electricity, 13,473 therms of natural gas and 3,400 thousand gallons of water for the year.
Which law requires MGRE - 2-40 51st Avenue to report its energy use?
MGRE - 2-40 51st Avenue 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:10830832:2023). 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
- CC - 1610-16 Walton Ave· 53,964 sq ft · score 67 (C)
- 1610-16 Walton Ave· 53,964 sq ft · score 59 (C)
- BPS 5 LLC / 946-50· 53,964 sq ft · score 31 (D)
- AKAM - 521 Park Avenue· 53,957 sq ft · score 15 (D)
- 347 West 55th Street· 53,952 sq ft · score 88 (A)
- Halstead - 221 East 78th Street NY, NY 10075· 53,935 sq ft · score 95 (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 MGRE - 2-40 51st Avenue's energy grade?
MGRE - 2-40 51st Avenue scores 57 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does MGRE - 2-40 51st Avenue use?
Its 2023 site energy-use intensity was 52.5 kBtu/ft² (103.2 kBtu/ft² source) across 53,983 sq ft, including 435,335 kWh of electricity and 13,473 therms of natural gas.
What are MGRE - 2-40 51st Avenue's carbon emissions?
MGRE - 2-40 51st Avenue reported 233 tCO₂e of greenhouse-gas emissions (4.3 kgCO₂e/ft²) for 2023.
Where is MGRE - 2-40 51st Avenue?
MGRE - 2-40 51st Avenue is in New York City, New York 11101. Its coordinates are 40.74280, -73.95831 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is MGRE - 2-40 51st Avenue and when was it built?
MGRE - 2-40 51st Avenue has 53,983 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2007 as its year built. It is classed as multifamily housing.
Is MGRE - 2-40 51st Avenue 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, “MGRE - 2-40 51st Avenue, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/mgre-2-40-51st-avenue-8129ed85 (data as of October 2, 2026).