Armstrong I Bldgs 1-4
Multifamily Housing in New York City, NY · 344 Clifton Place · 11216
At a glance
Armstrong I Bldgs 1-4 is a 127,800-square-foot multifamily housing building at 344 Clifton Place in New York City, New York, built in 1973. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 27 out of 100 (grade D), a site energy-use intensity of 91.4 kBtu/ft² and 800 tCO₂e of greenhouse-gas emissions. That score is higher than 16% 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 | 27 (band D) |
| Site EUI | 91.4 kBtu/ft² |
| Source EUI | 140.3 kBtu/ft² |
| GHG emissions | 800 tCO₂e |
| GHG intensity | 6.3 kgCO₂e/ft² |
| Electricity | 948,727 kWh |
| Natural gas | 84,397 therms |
| Gross floor area | 127,800 sq ft |
| Source record | nyc:10543213:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 27 | +1 | 91.4 kBtu/ft² | 800 tCO₂e |
| 2022 | 26 | 98.0 kBtu/ft² | 775 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 344 Clifton Place
- City
- New York City
- State
- New York
- ZIP
- 11216
- Coordinates
- 40.68921, -73.95056
Within ~1 km
Nearby benchmarked buildings
- ARMSTRONG Iscore 100
Multifamily Housing · 399,300 sq ft
- ARMSTRONG IIscore 100
Multifamily Housing · 306,100 sq ft
- 544 Park Avenuescore —
Office · 302,159 sq ft
- 544 PARK AVENUEscore 37
Non-Refrigerated Warehouse · 287,770 sq ft
- 544 Park Realty, LLCscore 19
Non-Refrigerated Warehouse · 287,770 sq ft
- 390 Nostrand Avenuescore 81
Multifamily Housing · 218,302 sq ft
See also: most efficient in New York City · biggest emitters
How does Armstrong I Bldgs 1-4 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. Armstrong I Bldgs 1-4's ENERGY STAR score of 27 compares with an average of 63 across the 22,829 that report a score; it scores higher than 16% of them and lower than 84%. Its site EUI of 91.4 kBtu/ft² is about 22% 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 6.3 kgCO₂e/ft² is about 21% above the group average of 5.2 kgCO₂e/ft².
At 127,800 sq ft, it is about 27% above the average floor area of 100,951 sq ft for those buildings. It was built in 1973, 21 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 Armstrong I Bldgs 1-4's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Armstrong I Bldgs 1-4, covering report years 2022–2023. Its ENERGY STAR score went from 26 in 2022 to 27 in 2023 (+1 points). Site EUI moved from 98.0 kBtu/ft² (2022) to 91.4 kBtu/ft² (2023), a 7% decrease. Reported emissions went from 775 tCO₂e to 800 tCO₂e over the same span (up 3%).
What does an ENERGY STAR score of 27 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 27 means the building performs better than about 27% of its national peers. BuildingCensus bands the score into report-card grades; 27 falls in band D — lowest band (1–54). It sits 48 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. Armstrong I Bldgs 1-4's 91.4 kBtu/ft² across 127,800 sq ft works out to about 11.7 billion Btu (3,423 MWh-equivalent) in 2023. Its source EUI of 140.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 948,727 kWh of electricity and 84,397 therms of natural gas for the year.
Which law requires Armstrong I Bldgs 1-4 to report its energy use?
Armstrong I Bldgs 1-4 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:10543213:2023). 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
- 5 Riverside Drive· 127,782 sq ft · score 75 (B)
- SW - 301 West 45th Street· 127,778 sq ft · score 41 (D)
- Cornerstone Senior Housing· 127,750 sq ft · score 88 (A)
- 540 West 28th Street· 127,715 sq ft · score 92 (A)
- Halstead - 540 West 28th Street· 127,715 sq ft · score 88 (A)
- Copy of DEPM 1202 - 111 Varick Street· 127,707 sq ft · score 60 (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 Armstrong I Bldgs 1-4's energy grade?
Armstrong I Bldgs 1-4 scores 27 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 Armstrong I Bldgs 1-4 use?
Its 2023 site energy-use intensity was 91.4 kBtu/ft² (140.3 kBtu/ft² source) across 127,800 sq ft, including 948,727 kWh of electricity and 84,397 therms of natural gas.
What are Armstrong I Bldgs 1-4's carbon emissions?
Armstrong I Bldgs 1-4 reported 800 tCO₂e of greenhouse-gas emissions (6.3 kgCO₂e/ft²) for 2023.
Where is Armstrong I Bldgs 1-4?
Armstrong I Bldgs 1-4 is at 344 Clifton Place, in New York City, New York 11216. Its coordinates are 40.68921, -73.95056 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Armstrong I Bldgs 1-4 and when was it built?
Armstrong I Bldgs 1-4 has 127,800 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1973 as its year built. It is classed as multifamily housing.
Is Armstrong I Bldgs 1-4 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).
Working with New York City building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Armstrong I Bldgs 1-4, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/armstrong-i-bldgs-1-4-b1c09ec0 (data as of October 2, 2026).