Chestnut - 147 West 230th Street
Multifamily Housing in New York City, NY · 147 West 230th Street · 10463
At a glance
Chestnut - 147 West 230th Street is a 66,984-square-foot multifamily housing building in New York City, New York, built in 1928. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 30 out of 100 (grade D), a site energy-use intensity of 104.9 kBtu/ft² and 518 tCO₂e of greenhouse-gas emissions. That score is higher than 17% 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 | 30 (band D) |
| Site EUI | 104.9 kBtu/ft² |
| Source EUI | 137.7 kBtu/ft² |
| GHG emissions | 518 tCO₂e |
| GHG intensity | 7.7 kgCO₂e/ft² |
| Electricity | 332,849 kWh |
| Natural gas | 23,500 therms |
| Gross floor area | 66,984 sq ft |
| Source record | nyc:25746284:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 30 | +10 | 104.9 kBtu/ft² | 518 tCO₂e |
| 2023 | 20 | -2 | 108.4 kBtu/ft² | 532 tCO₂e |
| 2022 | 22 | 115.1 kBtu/ft² | 533 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
- 147 West 230th Street
- City
- New York City
- State
- New York
- ZIP
- 10463
- Coordinates
- 40.87606, -73.90383
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Chestnut - 147 West 230th 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. Chestnut - 147 West 230th Street's ENERGY STAR score of 30 compares with an average of 63 across the 22,829 that report a score; it scores higher than 17% of them and lower than 82%. Its site EUI of 104.9 kBtu/ft² is about 40% 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 7.7 kgCO₂e/ft² is about 49% above the group average of 5.2 kgCO₂e/ft².
At 66,984 sq ft, it is about 34% below the average floor area of 100,951 sq ft for those buildings. It was built in 1928, 24 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 Chestnut - 147 West 230th Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Chestnut - 147 West 230th Street, covering report years 2022–2024. Its ENERGY STAR score went from 22 in 2022 to 30 in 2024 (+8 points). Site EUI moved from 115.1 kBtu/ft² (2022) to 104.9 kBtu/ft² (2024), a 9% decrease. Reported emissions went from 533 tCO₂e to 518 tCO₂e over the same span (down 3%).
What does an ENERGY STAR score of 30 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 30 means the building performs better than about 30% of its national peers. BuildingCensus bands the score into report-card grades; 30 falls in band D — lowest band (1–54). It sits 45 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. Chestnut - 147 West 230th Street's 104.9 kBtu/ft² across 66,984 sq ft works out to about 7 billion Btu (2,059 MWh-equivalent) in 2024. Its source EUI of 137.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 332,849 kWh of electricity and 23,500 therms of natural gas for the year.
Which law requires Chestnut - 147 West 230th Street to report its energy use?
Chestnut - 147 West 230th 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 2024 disclosure (source record nyc:25746284:2024). 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
- Moffat Gardens· 66,978 sq ft · score 82 (B)
- 191 St Nicholas Ave - 41161· 66,976 sq ft · score 28 (D)
- 350 East 77th St. Owners Corp. (350 E 77 Street)· 66,962 sq ft · score 87 (A)
- 1555 ASSOCIATES· 66,960 sq ft · score 85 (A)
- MMIKP BRONX REALTY 26· 66,960 sq ft · score 18 (D)
- Prospect Management - 313 St Marks Ave,· 66,953 sq ft · score 71 (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 Chestnut - 147 West 230th Street's energy grade?
Chestnut - 147 West 230th Street scores 30 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 Chestnut - 147 West 230th Street use?
Its 2024 site energy-use intensity was 104.9 kBtu/ft² (137.7 kBtu/ft² source) across 66,984 sq ft, including 332,849 kWh of electricity and 23,500 therms of natural gas.
What are Chestnut - 147 West 230th Street's carbon emissions?
Chestnut - 147 West 230th Street reported 518 tCO₂e of greenhouse-gas emissions (7.7 kgCO₂e/ft²) for 2024.
Where is Chestnut - 147 West 230th Street?
Chestnut - 147 West 230th Street is in New York City, New York 10463. Its coordinates are 40.87606, -73.90383 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Chestnut - 147 West 230th Street and when was it built?
Chestnut - 147 West 230th Street has 66,984 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1928 as its year built. It is classed as multifamily housing.
Is Chestnut - 147 West 230th Street 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, “Chestnut - 147 West 230th Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/chestnut-147-west-230th-street-341502bf (data as of October 2, 2026).