170 S PORTLAND AVE - 44344
Multifamily Housing in New York City, NY · 170 S PORTLAND AVE · 11217
At a glance
170 S PORTLAND AVE - 44344 is a 325,000-square-foot multifamily housing building in New York City, New York, built in 1974. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 60 out of 100 (grade C), a site energy-use intensity of 67.0 kBtu/ft² and 1,458 tCO₂e of greenhouse-gas emissions. That score is higher than 41% 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 | 60 (band C) |
| Site EUI | 67.0 kBtu/ft² |
| Source EUI | 96.5 kBtu/ft² |
| GHG emissions | 1,458 tCO₂e |
| GHG intensity | 4.5 kgCO₂e/ft² |
| Electricity | 1,426,914 kWh |
| Natural gas | 168,972 therms |
| Gross floor area | 325,000 sq ft |
| Source record | nyc:6690855:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 60 | -2 | 67.0 kBtu/ft² | 1,458 tCO₂e |
| 2023 | 62 | ±0 | 64.4 kBtu/ft² | 1,383 tCO₂e |
| 2022 | 62 | 68.0 kBtu/ft² | 1,345 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
- 170 S PORTLAND AVE
- City
- New York City
- State
- New York
- ZIP
- 11217
- Coordinates
- 40.68423, -73.97403
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 170 S PORTLAND AVE - 44344 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. 170 S PORTLAND AVE - 44344's ENERGY STAR score of 60 compares with an average of 63 across the 22,829 that report a score; it scores higher than 41% of them and lower than 58%. Its site EUI of 67.0 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 4.5 kgCO₂e/ft² is about 14% below the group average of 5.2 kgCO₂e/ft².
At 325,000 sq ft, it is about 222% above the average floor area of 100,951 sq ft for those buildings. It was built in 1974, 22 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 170 S PORTLAND AVE - 44344's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 170 S PORTLAND AVE - 44344, covering report years 2022–2024. Its ENERGY STAR score went from 62 in 2022 to 60 in 2024 (-2 points); its best year on file was 2022, at 62. Site EUI moved from 68.0 kBtu/ft² (2022) to 67.0 kBtu/ft² (2024), a 1% decrease. Reported emissions went from 1,345 tCO₂e to 1,458 tCO₂e over the same span (up 8%).
What does an ENERGY STAR score of 60 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 60 means the building performs better than about 60% of its national peers. BuildingCensus bands the score into report-card grades; 60 falls in band C — below median (55–69). It sits 15 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. 170 S PORTLAND AVE - 44344's 67.0 kBtu/ft² across 325,000 sq ft works out to about 21.8 billion Btu (6,382 MWh-equivalent) in 2024. Its source EUI of 96.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,426,914 kWh of electricity and 168,972 therms of natural gas for the year.
Which law requires 170 S PORTLAND AVE - 44344 to report its energy use?
170 S PORTLAND AVE - 44344 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:6690855:2024). 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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Frequently asked questions
What is 170 S PORTLAND AVE - 44344's energy grade?
170 S PORTLAND AVE - 44344 scores 60 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 170 S PORTLAND AVE - 44344 use?
Its 2024 site energy-use intensity was 67.0 kBtu/ft² (96.5 kBtu/ft² source) across 325,000 sq ft, including 1,426,914 kWh of electricity and 168,972 therms of natural gas.
What are 170 S PORTLAND AVE - 44344's carbon emissions?
170 S PORTLAND AVE - 44344 reported 1,458 tCO₂e of greenhouse-gas emissions (4.5 kgCO₂e/ft²) for 2024.
Where is 170 S PORTLAND AVE - 44344?
170 S PORTLAND AVE - 44344 is in New York City, New York 11217. Its coordinates are 40.68423, -73.97403 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 170 S PORTLAND AVE - 44344 and when was it built?
170 S PORTLAND AVE - 44344 has 325,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1974 as its year built. It is classed as multifamily housing.
Is 170 S PORTLAND AVE - 44344 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, “170 S PORTLAND AVE - 44344, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/170-s-portland-ave-44344-06e28e55 (data as of October 2, 2026).