Martan Mangement - 4001 7th ave
Multifamily Housing in New York City, NY · 4011 7th ave · 11232
At a glance
Martan Mangement - 4001 7th ave is a 30,196-square-foot multifamily housing building at 4011 7th ave in New York City, New York, built in 1924. 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 110.1 kBtu/ft² and 210 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 | 110.1 kBtu/ft² |
| Source EUI | 146.6 kBtu/ft² |
| GHG emissions | 210 tCO₂e |
| GHG intensity | 6.9 kgCO₂e/ft² |
| Electricity | 156,268 kWh |
| Natural gas | 27,928 therms |
| Gross floor area | 30,196 sq ft |
| Source record | nyc:6596347:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 23 | -5 | 110.1 kBtu/ft² | 210 tCO₂e |
| 2023 | 28 | -29 | 104.5 kBtu/ft² | 196 tCO₂e |
| 2022 | 57 | 91.0 kBtu/ft² | 162 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
- 4011 7th ave
- City
- New York City
- State
- New York
- ZIP
- 11232
- Coordinates
- 40.64792, -74.00020
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Martan Mangement - 4001 7th ave 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. Martan Mangement - 4001 7th ave'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 110.1 kBtu/ft² is about 47% 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 6.9 kgCO₂e/ft² is about 33% above the group average of 5.2 kgCO₂e/ft².
At 30,196 sq ft, it is about 70% below the average floor area of 100,951 sq ft for those buildings. It was built in 1924, 28 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 Martan Mangement - 4001 7th ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Martan Mangement - 4001 7th ave, covering report years 2022–2024. Its ENERGY STAR score went from 57 in 2022 to 23 in 2024 (-34 points); its best year on file was 2022, at 57. Site EUI moved from 91.0 kBtu/ft² (2022) to 110.1 kBtu/ft² (2024), an 21% increase. Reported emissions went from 162 tCO₂e to 210 tCO₂e over the same span (up 29%).
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. Martan Mangement - 4001 7th ave's 110.1 kBtu/ft² across 30,196 sq ft works out to about 3.3 billion Btu (974 MWh-equivalent) in 2024. Its source EUI of 146.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 156,268 kWh of electricity and 27,928 therms of natural gas for the year.
Which law requires Martan Mangement - 4001 7th ave to report its energy use?
Martan Mangement - 4001 7th ave 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:6596347:2024). 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
- Andrews: 459 Washington St· 30,184 sq ft · EUI 52.3 kBtu/ft²
- Sandberg: 227 Central Park West· 30,180 sq ft · score 97 (A)
- GDC: 74 South 4th Street· 30,165 sq ft · score 59 (C)
- Bronx Living LLC· 30,165 sq ft · score 14 (D)
- 1295 Rodman PL,Bx· 30,165 sq ft · score 86 (A)
- Adrian Partners LLC / 63 Adrian Avenue· 30,163 sq ft · score 39 (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 Martan Mangement - 4001 7th ave's energy grade?
Martan Mangement - 4001 7th ave 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 Martan Mangement - 4001 7th ave use?
Its 2024 site energy-use intensity was 110.1 kBtu/ft² (146.6 kBtu/ft² source) across 30,196 sq ft, including 156,268 kWh of electricity and 27,928 therms of natural gas.
What are Martan Mangement - 4001 7th ave's carbon emissions?
Martan Mangement - 4001 7th ave reported 210 tCO₂e of greenhouse-gas emissions (6.9 kgCO₂e/ft²) for 2024.
Where is Martan Mangement - 4001 7th ave?
Martan Mangement - 4001 7th ave is at 4011 7th ave, in New York City, New York 11232. Its coordinates are 40.64792, -74.00020 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Martan Mangement - 4001 7th ave and when was it built?
Martan Mangement - 4001 7th ave has 30,196 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1924 as its year built. It is classed as multifamily housing.
Is Martan Mangement - 4001 7th ave 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, “Martan Mangement - 4001 7th ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/martan-mangement-4001-7th-ave-48135dac (data as of October 2, 2026).