Excelsior Group - 660 Louisiana Ave
Senior Living Community in New York City, NY · 660 Louisiana Ave · 11239
At a glance
Excelsior Group - 660 Louisiana Ave is a 125,836-square-foot senior living community building in New York City, New York, built in 2006. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 87 out of 100 (grade A), a site energy-use intensity of 51.1 kBtu/ft² and 702 tCO₂e of greenhouse-gas emissions. That score is higher than 73% of the 229 scored senior living community buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 87 (band A) |
| Site EUI | 51.1 kBtu/ft² |
| Source EUI | 134.5 kBtu/ft² |
| GHG emissions | 702 tCO₂e |
| GHG intensity | 5.6 kgCO₂e/ft² |
| Electricity | 1,704,356 kWh |
| Natural gas | 6,109 therms |
| Water use | 6,269 kgal |
| Gross floor area | 125,836 sq ft |
| Source record | nyc:56037192:2024 |
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
- 660 Louisiana Ave
- City
- New York City
- State
- New York
- ZIP
- 11239
- Coordinates
- 40.64625, -73.88434
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Excelsior Group - 660 Louisiana Ave compare with other senior living community buildings in New York City?
The latest disclosures cover 296 senior living community buildings in New York City, out of 48,310 buildings citywide. Excelsior Group - 660 Louisiana Ave's ENERGY STAR score of 87 compares with an average of 57 across the 229 that report a score; it scores higher than 73% of them and lower than 26%. Its site EUI of 51.1 kBtu/ft² is about half of the average of 112.0 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.6 kgCO₂e/ft² is about 34% below the group average of 8.5 kgCO₂e/ft².
At 125,836 sq ft, it is about 16% above the average floor area of 108,590 sq ft for those buildings. It was built in 2006, 32 years later than the group's average year built (1974). Across all 24 jurisdictions BuildingCensus covers, the 1,181 senior living community buildings average an ENERGY STAR score of 71 and a site EUI of 73.6 kBtu/ft².
What does an ENERGY STAR score of 87 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 87 means the building performs better than about 87% of its national peers. BuildingCensus bands the score into report-card grades; 87 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. Excelsior Group - 660 Louisiana Ave's 51.1 kBtu/ft² across 125,836 sq ft works out to about 6.4 billion Btu (1,885 MWh-equivalent) in 2024. Its source EUI of 134.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,704,356 kWh of electricity, 6,109 therms of natural gas and 6,269 thousand gallons of water for the year.
Which law requires Excelsior Group - 660 Louisiana Ave to report its energy use?
Excelsior Group - 660 Louisiana Ave 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:56037192:2024). 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 senior living community buildings in New York City
- Cardiff Bay Center, LLC dba Peninsula Nursing and Rehabilitation Center· 124,800 sq ft · score 46 (D)
- 520 Prospect Place· 124,141 sq ft
- Excelsior Group - 630 East 103rd St· 123,140 sq ft · score 98 (A)
- 601 East 103rd Street (611 E 103rd)· 123,140 sq ft · score 100 (A)
- 611 East 103rd Street· 123,140 sq ft · score 60 (C)
- 636 Louisiana· 123,139 sq ft · score 23 (D)
- Senior Living Community buildings in New York City· 296 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 Excelsior Group - 660 Louisiana Ave's energy grade?
Excelsior Group - 660 Louisiana Ave scores 87 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 Excelsior Group - 660 Louisiana Ave use?
Its 2024 site energy-use intensity was 51.1 kBtu/ft² (134.5 kBtu/ft² source) across 125,836 sq ft, including 1,704,356 kWh of electricity and 6,109 therms of natural gas.
What are Excelsior Group - 660 Louisiana Ave's carbon emissions?
Excelsior Group - 660 Louisiana Ave reported 702 tCO₂e of greenhouse-gas emissions (5.6 kgCO₂e/ft²) for 2024.
Where is Excelsior Group - 660 Louisiana Ave?
Excelsior Group - 660 Louisiana Ave is in New York City, New York 11239. Its coordinates are 40.64625, -73.88434 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Excelsior Group - 660 Louisiana Ave and when was it built?
Excelsior Group - 660 Louisiana Ave has 125,836 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2006 as its year built. It is classed as senior living community.
Is Excelsior Group - 660 Louisiana Ave 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, “Excelsior Group - 660 Louisiana Ave, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/excelsior-group-660-louisiana-ave-a0b91af1 (data as of October 2, 2026).