129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S...
Senior Living Community in New York City, NY · 109 W 129th St · 10027
At a glance
129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S... is a 26,324-square-foot senior living community building at 109 W 129th St in New York City, New York, built in 1920. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 66 out of 100 (grade C), a site energy-use intensity of 128.2 kBtu/ft² and 233 tCO₂e of greenhouse-gas emissions. That score is higher than 55% 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 | 66 (band C) |
| Site EUI | 128.2 kBtu/ft² |
| Source EUI | 191.9 kBtu/ft² |
| GHG emissions | 233 tCO₂e |
| GHG intensity | 8.8 kgCO₂e/ft² |
| Electricity | 252,397 kWh |
| Natural gas | 25,146 therms |
| Water use | 2,939 kgal |
| Gross floor area | 26,324 sq ft |
| Source record | nyc:14941357:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 66 | -4 | 128.2 kBtu/ft² | 233 tCO₂e |
| 2023 | 70 | +9 | 124.9 kBtu/ft² | 220 tCO₂e |
| 2022 | 61 | 135.6 kBtu/ft² | 219 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
- 109 W 129th St
- City
- New York City
- State
- New York
- ZIP
- 10027
- Coordinates
- 40.81059, -73.94425
Within ~1 km
Nearby benchmarked buildings
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- A&E - Big Riverton (5)score 26
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- Lincoln - Bldgs 8-14score —
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See also: most efficient in New York City · biggest emitters
How does 129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S... 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. 129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S...'s ENERGY STAR score of 66 compares with an average of 57 across the 229 that report a score; it scores higher than 55% of them and lower than 44%. Its site EUI of 128.2 kBtu/ft² is about 14% above the average of 112.0 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 8.8 kgCO₂e/ft² is roughly in line with the group average of 8.5 kgCO₂e/ft².
At 26,324 sq ft, it is about 76% below the average floor area of 108,590 sq ft for those buildings. It was built in 1920, 54 years earlier 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.
How has 129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S...'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S..., covering report years 2022–2024. Its ENERGY STAR score went from 61 in 2022 to 66 in 2024 (+5 points); its best year on file was 2023, at 70. Site EUI moved from 135.6 kBtu/ft² (2022) to 128.2 kBtu/ft² (2024), a 5% decrease. Reported emissions went from 219 tCO₂e to 233 tCO₂e over the same span (up 6%).
What does an ENERGY STAR score of 66 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 66 means the building performs better than about 66% of its national peers. BuildingCensus bands the score into report-card grades; 66 falls in band C — below median (55–69). It sits 9 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. 129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S...'s 128.2 kBtu/ft² across 26,324 sq ft works out to about 3.4 billion Btu (989 MWh-equivalent) in 2024. Its source EUI of 191.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 252,397 kWh of electricity, 25,146 therms of natural gas and 2,939 thousand gallons of water for the year.
Which law requires 129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S... to report its energy use?
129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S... 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:14941357:2024). 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
- Kowal House· 25,336 sq ft · score 96 (A)
- 1965 East 7th Street· 25,075 sq ft · score 89 (A)
- 535 Audubon Avenue· 19,753 sq ft
- DFTA_11588_Albany Neighborhood Senior Center· 18,723 sq ft · score 100 (A)
- 3200REAR BAYCHESTER AVENUE- BIN CHILD· 8,682 sq ft
- 3200 BAYCHESTER AVENUE- BIN CHILD· 5,210 sq ft
- 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 129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S...'s energy grade?
129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S... scores 66 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 129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S... use?
Its 2024 site energy-use intensity was 128.2 kBtu/ft² (191.9 kBtu/ft² source) across 26,324 sq ft, including 252,397 kWh of electricity and 25,146 therms of natural gas.
What are 129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S...'s carbon emissions?
129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S... reported 233 tCO₂e of greenhouse-gas emissions (8.8 kgCO₂e/ft²) for 2024.
Where is 129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S...?
129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S... is at 109 W 129th St, in New York City, New York 10027. Its coordinates are 40.81059, -73.94425 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S... and when was it built?
129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S... has 26,324 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1920 as its year built. It is classed as senior living community.
Is 129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S... 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, “129th St Residence - 109 West 129th St: 129th St Residence - 109 West 129th S..., New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/129th-st-residence-109-west-129th-st-129th-st-residence-109-west-129th-s-842ead5d (data as of October 2, 2026).