624 W 170 St - 20330
Multifamily Housing in New York City, NY · 624 W 170 St · 10032
At a glance
624 W 170 St - 20330 is a 58,213-square-foot multifamily housing building in New York City, New York, built in 1924. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 93 out of 100 (grade A), a site energy-use intensity of 66.8 kBtu/ft² and 239 tCO₂e of greenhouse-gas emissions. That score is higher than 80% 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 | 93 (band A) |
| Site EUI | 66.8 kBtu/ft² |
| Source EUI | 85.7 kBtu/ft² |
| GHG emissions | 239 tCO₂e |
| GHG intensity | 4.1 kgCO₂e/ft² |
| Electricity | 151,442 kWh |
| Natural gas | 33,707 therms |
| Gross floor area | 58,213 sq ft |
| Source record | nyc:2805325:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 93 | ±0 | 66.8 kBtu/ft² | 239 tCO₂e |
| 2023 | 93 | +3 | 65.3 kBtu/ft² | 231 tCO₂e |
| 2022 | 90 | 75.9 kBtu/ft² | 232 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
- 624 W 170 St
- City
- New York City
- State
- New York
- ZIP
- 10032
- Coordinates
- 40.84275, -73.94002
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 624 W 170 St - 20330 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. 624 W 170 St - 20330's ENERGY STAR score of 93 compares with an average of 63 across the 22,829 that report a score; it scores higher than 80% of them and lower than 18%. Its site EUI of 66.8 kBtu/ft² is about 11% below the average of 74.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 4.1 kgCO₂e/ft² is about 21% below the group average of 5.2 kgCO₂e/ft².
At 58,213 sq ft, it is about 42% 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 624 W 170 St - 20330's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 624 W 170 St - 20330, covering report years 2022–2024. Its ENERGY STAR score went from 90 in 2022 to 93 in 2024 (+3 points); its best year on file was 2023, at 93. Site EUI moved from 75.9 kBtu/ft² (2022) to 66.8 kBtu/ft² (2024), a 12% decrease. Reported emissions went from 232 tCO₂e to 239 tCO₂e over the same span (up 3%).
What does an ENERGY STAR score of 93 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 93 means the building performs better than about 93% of its national peers. BuildingCensus bands the score into report-card grades; 93 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. 624 W 170 St - 20330's 66.8 kBtu/ft² across 58,213 sq ft works out to about 3.9 billion Btu (1,140 MWh-equivalent) in 2024. Its source EUI of 85.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 151,442 kWh of electricity and 33,707 therms of natural gas for the year.
Which law requires 624 W 170 St - 20330 to report its energy use?
624 W 170 St - 20330 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:2805325:2024). 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.
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- All New York City benchmarked buildings· Local Law 84 (LL84)
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- Biggest emitters in New York City
Frequently asked questions
What is 624 W 170 St - 20330's energy grade?
624 W 170 St - 20330 scores 93 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 624 W 170 St - 20330 use?
Its 2024 site energy-use intensity was 66.8 kBtu/ft² (85.7 kBtu/ft² source) across 58,213 sq ft, including 151,442 kWh of electricity and 33,707 therms of natural gas.
What are 624 W 170 St - 20330's carbon emissions?
624 W 170 St - 20330 reported 239 tCO₂e of greenhouse-gas emissions (4.1 kgCO₂e/ft²) for 2024.
Where is 624 W 170 St - 20330?
624 W 170 St - 20330 is in New York City, New York 10032. Its coordinates are 40.84275, -73.94002 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 624 W 170 St - 20330 and when was it built?
624 W 170 St - 20330 has 58,213 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 624 W 170 St - 20330 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, “624 W 170 St - 20330, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/624-w-170-st-20330-2a4d38fc (data as of October 2, 2026).