Carriage House Management : 1725-1739 Stillwell Avenue
Multifamily Housing in New York City, NY · 1725-1739 Stillwell Avenue · 11223
At a glance
Carriage House Management : 1725-1739 Stillwell Avenue is a 29,895-square-foot multifamily housing building in New York City, New York, built in 1950. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 100 out of 100 (grade A), a site energy-use intensity of 6.1 kBtu/ft² and 21 tCO₂e of greenhouse-gas emissions. That score is higher than 90% 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 | 100 (band A) |
| Site EUI | 6.1 kBtu/ft² |
| Source EUI | 17.1 kBtu/ft² |
| GHG emissions | 21 tCO₂e |
| GHG intensity | 0.7 kgCO₂e/ft² |
| Electricity | 53,381 kWh |
| Water use | 1,471 kgal |
| Gross floor area | 29,895 sq ft |
| Source record | nyc:21053426:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | ±0 | 6.1 kBtu/ft² | 21 tCO₂e |
| 2023 | 100 | ±0 | 6.0 kBtu/ft² | 20 tCO₂e |
| 2022 | 100 | 7.0 kBtu/ft² | 18 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
- 1725-1739 Stillwell Avenue
- City
- New York City
- State
- New York
- ZIP
- 11223
- Coordinates
- 40.60450, -73.98672
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Carriage House Management : 1725-1739 Stillwell Avenue 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. Carriage House Management : 1725-1739 Stillwell Avenue's ENERGY STAR score of 100 compares with an average of 63 across the 22,829 that report a score; it scores higher than 90% of them. Its site EUI of 6.1 kBtu/ft² is about 92% 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 0.7 kgCO₂e/ft² is about 87% below the group average of 5.2 kgCO₂e/ft².
At 29,895 sq ft, it is about 70% below the average floor area of 100,951 sq ft for those buildings. Its 1950 construction date is close to 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 Carriage House Management : 1725-1739 Stillwell Avenue's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Carriage House Management : 1725-1739 Stillwell Avenue, covering report years 2022–2024. Its ENERGY STAR score was 100 in both 2022 and 2024. Site EUI moved from 7.0 kBtu/ft² (2022) to 6.1 kBtu/ft² (2024), a 13% decrease. Reported emissions went from 18 tCO₂e to 21 tCO₂e over the same span (up 19%).
What does an ENERGY STAR score of 100 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: 100 is the top of the scale. BuildingCensus bands the score into report-card grades; 100 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. Carriage House Management : 1725-1739 Stillwell Avenue's 6.1 kBtu/ft² across 29,895 sq ft works out to about 0.2 billion Btu (53 MWh-equivalent) in 2024. Its source EUI of 17.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 53,381 kWh of electricity and 1,471 thousand gallons of water for the year.
Which law requires Carriage House Management : 1725-1739 Stillwell Avenue to report its energy use?
Carriage House Management : 1725-1739 Stillwell 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:21053426:2024). 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 multifamily housing buildings in New York City
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- 3500 Dekalb Avenue· 29,890 sq ft · EUI 97.9 kBtu/ft²
- 3500 DEKALB AVENUE· 29,890 sq ft · score 5 (D)
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- 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 Carriage House Management : 1725-1739 Stillwell Avenue's energy grade?
Carriage House Management : 1725-1739 Stillwell Avenue scores 100 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 Carriage House Management : 1725-1739 Stillwell Avenue use?
Its 2024 site energy-use intensity was 6.1 kBtu/ft² (17.1 kBtu/ft² source) across 29,895 sq ft, including 53,381 kWh of electricity.
What are Carriage House Management : 1725-1739 Stillwell Avenue's carbon emissions?
Carriage House Management : 1725-1739 Stillwell Avenue reported 21 tCO₂e of greenhouse-gas emissions (0.7 kgCO₂e/ft²) for 2024.
Where is Carriage House Management : 1725-1739 Stillwell Avenue?
Carriage House Management : 1725-1739 Stillwell Avenue is in New York City, New York 11223. Its coordinates are 40.60450, -73.98672 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Carriage House Management : 1725-1739 Stillwell Avenue and when was it built?
Carriage House Management : 1725-1739 Stillwell Avenue has 29,895 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1950 as its year built. It is classed as multifamily housing.
Is Carriage House Management : 1725-1739 Stillwell 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, “Carriage House Management : 1725-1739 Stillwell Avenue, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/carriage-house-management-1725-1739-stillwell-avenue-1a7f8d4e (data as of October 2, 2026).