251 EAST 29 STREET
Multifamily Housing in New York City, NY · 251 East 29th Street · 11226
At a glance
251 EAST 29 STREET is a 57,456-square-foot multifamily housing building at 251 East 29th Street in New York City, New York, built in 1964. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 51 out of 100 (grade D), a site energy-use intensity of 94.1 kBtu/ft² and 338 tCO₂e of greenhouse-gas emissions. That score is higher than 32% 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 | 51 (band D) |
| Site EUI | 94.1 kBtu/ft² |
| Source EUI | 126.4 kBtu/ft² |
| GHG emissions | 338 tCO₂e |
| GHG intensity | 5.9 kgCO₂e/ft² |
| Electricity | 265,187 kWh |
| Natural gas | 45,040 therms |
| Water use | 6,572 kgal |
| Gross floor area | 57,456 sq ft |
| Source record | nyc:33614082:2023 |
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
- 251 East 29th Street
- City
- New York City
- State
- New York
- ZIP
- 11226
- Coordinates
- 40.64384, -73.94979
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 251 EAST 29 STREET 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. 251 EAST 29 STREET's ENERGY STAR score of 51 compares with an average of 63 across the 22,829 that report a score; it scores higher than 32% of them and lower than 67%. Its site EUI of 94.1 kBtu/ft² is about 26% 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 5.9 kgCO₂e/ft² is about 13% above the group average of 5.2 kgCO₂e/ft².
At 57,456 sq ft, it is about 43% below the average floor area of 100,951 sq ft for those buildings. It was built in 1964, 12 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.
What does an ENERGY STAR score of 51 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 51 means the building performs better than about 51% of its national peers. BuildingCensus bands the score into report-card grades; 51 falls in band D — lowest band (1–54). It sits 24 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. 251 EAST 29 STREET's 94.1 kBtu/ft² across 57,456 sq ft works out to about 5.4 billion Btu (1,585 MWh-equivalent) in 2023. Its source EUI of 126.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 265,187 kWh of electricity, 45,040 therms of natural gas and 6,572 thousand gallons of water for the year.
Which law requires 251 EAST 29 STREET to report its energy use?
251 EAST 29 STREET 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:33614082:2023). 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
- Betances VI 460 E147th St· 57,442 sq ft · score 99 (A)
- Chestnut - 3255 Randall Avenue· 57,432 sq ft · score 100 (A)
- 514 West 114th Street· 57,429 sq ft · score 100 (A)
- 60 West 190th Street· 57,429 sq ft · score 65 (C)
- 11 West 116th Street· 57,429 sq ft · score 31 (D)
- 2309 Holland Avenue· 57,427 sq ft · score 59 (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 251 EAST 29 STREET's energy grade?
251 EAST 29 STREET scores 51 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 251 EAST 29 STREET use?
Its 2023 site energy-use intensity was 94.1 kBtu/ft² (126.4 kBtu/ft² source) across 57,456 sq ft, including 265,187 kWh of electricity and 45,040 therms of natural gas.
What are 251 EAST 29 STREET's carbon emissions?
251 EAST 29 STREET reported 338 tCO₂e of greenhouse-gas emissions (5.9 kgCO₂e/ft²) for 2023.
Where is 251 EAST 29 STREET?
251 EAST 29 STREET is at 251 East 29th Street, in New York City, New York 11226. Its coordinates are 40.64384, -73.94979 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 251 EAST 29 STREET and when was it built?
251 EAST 29 STREET has 57,456 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1964 as its year built. It is classed as multifamily housing.
Is 251 EAST 29 STREET 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, “251 EAST 29 STREET, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/251-east-29-street-f145c4c3 (data as of October 2, 2026).