The Chateau - 3457 Nostrand Avenue
Senior Living Community in New York City, NY · 3457 Nostrand Avenue · 11229
At a glance
The Chateau - 3457 Nostrand Avenue is a 48,362-square-foot senior living community building in New York City, New York, built in 1969. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 58 out of 100 (grade C), a site energy-use intensity of 146.8 kBtu/ft² and 559 tCO₂e of greenhouse-gas emissions. That score is higher than 49% 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 | 58 (band C) |
| Site EUI | 146.8 kBtu/ft² |
| Source EUI | 260.3 kBtu/ft² |
| GHG emissions | 559 tCO₂e |
| GHG intensity | 11.6 kgCO₂e/ft² |
| Electricity | 860,415 kWh |
| Natural gas | 41,619 therms |
| Gross floor area | 48,362 sq ft |
| Source record | nyc:4771937:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 58 | +1 | 146.8 kBtu/ft² | 559 tCO₂e |
| 2023 | 57 | +10 | 147.3 kBtu/ft² | 543 tCO₂e |
| 2022 | 47 | 154.2 kBtu/ft² | 505 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
- 3457 Nostrand Avenue
- City
- New York City
- State
- New York
- ZIP
- 11229
- Coordinates
- 40.59971, -73.94174
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does The Chateau - 3457 Nostrand Avenue 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. The Chateau - 3457 Nostrand Avenue's ENERGY STAR score of 58 compares with an average of 57 across the 229 that report a score; it scores higher than 49% of them and lower than 49%. Its site EUI of 146.8 kBtu/ft² is about 31% 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 11.6 kgCO₂e/ft² is about 36% above the group average of 8.5 kgCO₂e/ft².
At 48,362 sq ft, it is about 55% below the average floor area of 108,590 sq ft for those buildings. It was built in 1969, 5 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 The Chateau - 3457 Nostrand Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for The Chateau - 3457 Nostrand Avenue, covering report years 2022–2024. Its ENERGY STAR score went from 47 in 2022 to 58 in 2024 (+11 points). Site EUI moved from 154.2 kBtu/ft² (2022) to 146.8 kBtu/ft² (2024), a 5% decrease. Reported emissions went from 505 tCO₂e to 559 tCO₂e over the same span (up 11%).
What does an ENERGY STAR score of 58 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 58 means the building performs better than about 58% of its national peers. BuildingCensus bands the score into report-card grades; 58 falls in band C — below median (55–69). It sits 17 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. The Chateau - 3457 Nostrand Avenue's 146.8 kBtu/ft² across 48,362 sq ft works out to about 7.1 billion Btu (2,081 MWh-equivalent) in 2024. Its source EUI of 260.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 860,415 kWh of electricity and 41,619 therms of natural gas for the year.
Which law requires The Chateau - 3457 Nostrand Avenue to report its energy use?
The Chateau - 3457 Nostrand Avenue 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:4771937:2024). 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
- Oxfrod Nursing Home· 48,000 sq ft · score 50 (D)
- 140-40 Sanford Avenue· 47,500 sq ft · score 73 (B)
- Stagg Group-6375 Broadway· 47,223 sq ft · score 98 (A)
- 112-14 Corona Avenue· 45,820 sq ft · score 45 (D)
- Stanan: 226 Fillmore St· 45,477 sq ft · score 99 (A)
- 82-45 Grenfell Street· 45,300 sq ft · score 82 (B)
- 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 The Chateau - 3457 Nostrand Avenue's energy grade?
The Chateau - 3457 Nostrand Avenue scores 58 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 The Chateau - 3457 Nostrand Avenue use?
Its 2024 site energy-use intensity was 146.8 kBtu/ft² (260.3 kBtu/ft² source) across 48,362 sq ft, including 860,415 kWh of electricity and 41,619 therms of natural gas.
What are The Chateau - 3457 Nostrand Avenue's carbon emissions?
The Chateau - 3457 Nostrand Avenue reported 559 tCO₂e of greenhouse-gas emissions (11.6 kgCO₂e/ft²) for 2024.
Where is The Chateau - 3457 Nostrand Avenue?
The Chateau - 3457 Nostrand Avenue is in New York City, New York 11229. Its coordinates are 40.59971, -73.94174 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is The Chateau - 3457 Nostrand Avenue and when was it built?
The Chateau - 3457 Nostrand Avenue has 48,362 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1969 as its year built. It is classed as senior living community.
Is The Chateau - 3457 Nostrand Avenue 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, “The Chateau - 3457 Nostrand Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/the-chateau-3457-nostrand-avenue-3bdf69df (data as of October 2, 2026).