Amherst_845 43rd Street
Multifamily Housing in New York City, NY · 845 43 ST · 11232
At a glance
Amherst_845 43rd Street is a 50,479-square-foot multifamily housing building at 845 43 ST in New York City, New York, built in 1970. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 73 out of 100 (grade B), a site energy-use intensity of 77.6 kBtu/ft² and 250 tCO₂e of greenhouse-gas emissions. That score is higher than 54% 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 | 73 (band B) |
| Site EUI | 77.6 kBtu/ft² |
| Source EUI | 104.9 kBtu/ft² |
| GHG emissions | 250 tCO₂e |
| GHG intensity | 5.0 kgCO₂e/ft² |
| Electricity | 197,843 kWh |
| Natural gas | 32,446 therms |
| Water use | 2,678 kgal |
| Gross floor area | 50,479 sq ft |
| Source record | nyc:3118907:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 73 | -13 | 77.6 kBtu/ft² | 250 tCO₂e |
| 2023 | 86 | +5 | 66.2 kBtu/ft² | 209 tCO₂e |
| 2022 | 81 | 74.9 kBtu/ft² | 223 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
- 845 43 ST
- City
- New York City
- State
- New York
- ZIP
- 11232
- Coordinates
- 40.64443, -73.99860
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Amherst_845 43rd 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. Amherst_845 43rd Street's ENERGY STAR score of 73 compares with an average of 63 across the 22,829 that report a score; it scores higher than 54% of them and lower than 44%. Its site EUI of 77.6 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 5.0 kgCO₂e/ft² is roughly in line with the group average of 5.2 kgCO₂e/ft².
At 50,479 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 1970, 18 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 Amherst_845 43rd Street's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Amherst_845 43rd Street, covering report years 2022–2024. Its ENERGY STAR score went from 81 in 2022 to 73 in 2024 (-8 points); its best year on file was 2023, at 86. Site EUI moved from 74.9 kBtu/ft² (2022) to 77.6 kBtu/ft² (2024), an 4% increase. Reported emissions went from 223 tCO₂e to 250 tCO₂e over the same span (up 12%).
What does an ENERGY STAR score of 73 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 73 means the building performs better than about 73% of its national peers. BuildingCensus bands the score into report-card grades; 73 falls in band B — above median (70–84). It sits 2 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. Amherst_845 43rd Street's 77.6 kBtu/ft² across 50,479 sq ft works out to about 3.9 billion Btu (1,148 MWh-equivalent) in 2024. Its source EUI of 104.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 197,843 kWh of electricity, 32,446 therms of natural gas and 2,678 thousand gallons of water for the year.
Which law requires Amherst_845 43rd Street to report its energy use?
Amherst_845 43rd 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:3118907:2024). 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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- BCR: 3750 Broadway· 50,464 sq ft · score 15 (D)
- 2020 Ave V· 50,463 sq ft · score 21 (D)
- 60-72 Madison Street· 50,460 sq ft
- 60-52 Madison Street· 50,460 sq ft · score 15 (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 Amherst_845 43rd Street's energy grade?
Amherst_845 43rd Street scores 73 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Amherst_845 43rd Street use?
Its 2024 site energy-use intensity was 77.6 kBtu/ft² (104.9 kBtu/ft² source) across 50,479 sq ft, including 197,843 kWh of electricity and 32,446 therms of natural gas.
What are Amherst_845 43rd Street's carbon emissions?
Amherst_845 43rd Street reported 250 tCO₂e of greenhouse-gas emissions (5.0 kgCO₂e/ft²) for 2024.
Where is Amherst_845 43rd Street?
Amherst_845 43rd Street is at 845 43 ST, in New York City, New York 11232. Its coordinates are 40.64443, -73.99860 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Amherst_845 43rd Street and when was it built?
Amherst_845 43rd Street has 50,479 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1970 as its year built. It is classed as multifamily housing.
Is Amherst_845 43rd 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, “Amherst_845 43rd Street, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/amherst-845-43rd-street-f053ce82 (data as of October 2, 2026).