M&&L: 29-16 21st Ave
Multifamily Housing in New York City, NY · 29-16 21st Ave · 11105
At a glance
M&&L: 29-16 21st Ave is a 28,303-square-foot multifamily housing building in New York City, New York, built in 1926. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 62 out of 100 (grade C), a site energy-use intensity of 78.3 kBtu/ft² and 138 tCO₂e of greenhouse-gas emissions. That score is higher than 42% 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 | 62 (band C) |
| Site EUI | 78.3 kBtu/ft² |
| Source EUI | 102.8 kBtu/ft² |
| GHG emissions | 138 tCO₂e |
| GHG intensity | 4.9 kgCO₂e/ft² |
| Electricity | 97,633 kWh |
| Natural gas | 18,830 therms |
| Water use | 1,821 kgal |
| Gross floor area | 28,303 sq ft |
| Source record | nyc:6282752:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 62 | -11 | 78.3 kBtu/ft² | 138 tCO₂e |
| 2023 | 73 | -1 | 68.9 kBtu/ft² | 121 tCO₂e |
| 2022 | 74 | 74.4 kBtu/ft² | 122 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
- 29-16 21st Ave
- City
- New York City
- State
- New York
- ZIP
- 11105
- Coordinates
- 40.77839, -73.90909
Within ~1 km
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How does M&&L: 29-16 21st 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. M&&L: 29-16 21st Ave's ENERGY STAR score of 62 compares with an average of 63 across the 22,829 that report a score; it scores higher than 42% of them and lower than 57%. Its site EUI of 78.3 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 4.9 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 28,303 sq ft, it is about 72% below the average floor area of 100,951 sq ft for those buildings. It was built in 1926, 26 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 M&&L: 29-16 21st Ave's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for M&&L: 29-16 21st Ave, covering report years 2022–2024. Its ENERGY STAR score went from 74 in 2022 to 62 in 2024 (-12 points); its best year on file was 2022, at 74. Site EUI moved from 74.4 kBtu/ft² (2022) to 78.3 kBtu/ft² (2024), an 5% increase. Reported emissions went from 122 tCO₂e to 138 tCO₂e over the same span (up 13%).
What does an ENERGY STAR score of 62 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 62 means the building performs better than about 62% of its national peers. BuildingCensus bands the score into report-card grades; 62 falls in band C — below median (55–69). It sits 13 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. M&&L: 29-16 21st Ave's 78.3 kBtu/ft² across 28,303 sq ft works out to about 2.2 billion Btu (649 MWh-equivalent) in 2024. Its source EUI of 102.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 97,633 kWh of electricity, 18,830 therms of natural gas and 1,821 thousand gallons of water for the year.
Which law requires M&&L: 29-16 21st Ave to report its energy use?
M&&L: 29-16 21st 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:6282752:2024). 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
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- ABA Realty Mngmnt LLC - 86 N 6th st· 28,300 sq ft · EUI 23.6 kBtu/ft²
- 38 Livingston Street· 28,290 sq ft · score 84 (B)
- 244 East 196th Street· 28,290 sq ft · score 44 (D)
- MURRAY HILL:135-37 37 AVENUE· 28,286 sq ft · score 77 (B)
- 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 M&&L: 29-16 21st Ave's energy grade?
M&&L: 29-16 21st Ave scores 62 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does M&&L: 29-16 21st Ave use?
Its 2024 site energy-use intensity was 78.3 kBtu/ft² (102.8 kBtu/ft² source) across 28,303 sq ft, including 97,633 kWh of electricity and 18,830 therms of natural gas.
What are M&&L: 29-16 21st Ave's carbon emissions?
M&&L: 29-16 21st Ave reported 138 tCO₂e of greenhouse-gas emissions (4.9 kgCO₂e/ft²) for 2024.
Where is M&&L: 29-16 21st Ave?
M&&L: 29-16 21st Ave is in New York City, New York 11105. Its coordinates are 40.77839, -73.90909 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is M&&L: 29-16 21st Ave and when was it built?
M&&L: 29-16 21st Ave has 28,303 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1926 as its year built. It is classed as multifamily housing.
Is M&&L: 29-16 21st 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, “M&&L: 29-16 21st Ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/m-l-29-16-21st-ave-4af47a7e (data as of October 2, 2026).