Al Season: 949 Willoughby Ave.
Multifamily Housing in New York City, NY · 949 Willoughby Avenue · 11221
At a glance
Al Season: 949 Willoughby Ave. is a 46,973-square-foot multifamily housing building at 949 Willoughby Avenue in New York City, New York, built in 1901. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 48 out of 100 (grade D), a site energy-use intensity of 35.0 kBtu/ft² and 175 tCO₂e of greenhouse-gas emissions. That score is higher than 30% 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 | 48 (band D) |
| Site EUI | 35.0 kBtu/ft² |
| Source EUI | 89.2 kBtu/ft² |
| GHG emissions | 175 tCO₂e |
| GHG intensity | 3.7 kgCO₂e/ft² |
| Electricity | 413,000 kWh |
| Natural gas | 2,344 therms |
| Water use | 2,037 kgal |
| Gross floor area | 46,973 sq ft |
| Source record | nyc:6831555:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 48 | +8 | 35.0 kBtu/ft² | 175 tCO₂e |
| 2023 | 40 | +6 | 35.9 kBtu/ft² | 171 tCO₂e |
| 2022 | 34 | 40.2 kBtu/ft² | 152 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
- 949 Willoughby Avenue
- City
- New York City
- State
- New York
- ZIP
- 11221
- Coordinates
- 40.69775, -73.93081
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Al Season: 949 Willoughby Ave. 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. Al Season: 949 Willoughby Ave.'s ENERGY STAR score of 48 compares with an average of 63 across the 22,829 that report a score; it scores higher than 30% of them and lower than 69%. Its site EUI of 35.0 kBtu/ft² is about half of 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 3.7 kgCO₂e/ft² is about 28% below the group average of 5.2 kgCO₂e/ft².
At 46,973 sq ft, it is about half of the average floor area of 100,951 sq ft for those buildings. It was built in 1901, 51 years earlier 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 Al Season: 949 Willoughby Ave.'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Al Season: 949 Willoughby Ave., covering report years 2022–2024. Its ENERGY STAR score went from 34 in 2022 to 48 in 2024 (+14 points). Site EUI moved from 40.2 kBtu/ft² (2022) to 35.0 kBtu/ft² (2024), a 13% decrease. Reported emissions went from 152 tCO₂e to 175 tCO₂e over the same span (up 15%).
What does an ENERGY STAR score of 48 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 48 means the building performs better than about 48% of its national peers. BuildingCensus bands the score into report-card grades; 48 falls in band D — lowest band (1–54). It sits 27 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. Al Season: 949 Willoughby Ave.'s 35.0 kBtu/ft² across 46,973 sq ft works out to about 1.6 billion Btu (482 MWh-equivalent) in 2024. Its source EUI of 89.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 413,000 kWh of electricity, 2,344 therms of natural gas and 2,037 thousand gallons of water for the year.
Which law requires Al Season: 949 Willoughby Ave. to report its energy use?
Al Season: 949 Willoughby 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:6831555:2024). 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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- 135-20 82nd Avenue· 46,950 sq ft · score 100 (A)
- CFA - 163 West 18th Street· 46,948 sq ft · score 1 (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 Al Season: 949 Willoughby Ave.'s energy grade?
Al Season: 949 Willoughby Ave. scores 48 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Al Season: 949 Willoughby Ave. use?
Its 2024 site energy-use intensity was 35.0 kBtu/ft² (89.2 kBtu/ft² source) across 46,973 sq ft, including 413,000 kWh of electricity and 2,344 therms of natural gas.
What are Al Season: 949 Willoughby Ave.'s carbon emissions?
Al Season: 949 Willoughby Ave. reported 175 tCO₂e of greenhouse-gas emissions (3.7 kgCO₂e/ft²) for 2024.
Where is Al Season: 949 Willoughby Ave.?
Al Season: 949 Willoughby Ave. is at 949 Willoughby Avenue, in New York City, New York 11221. Its coordinates are 40.69775, -73.93081 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Al Season: 949 Willoughby Ave. and when was it built?
Al Season: 949 Willoughby Ave. has 46,973 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1901 as its year built. It is classed as multifamily housing.
Is Al Season: 949 Willoughby 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, “Al Season: 949 Willoughby Ave., New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/al-season-949-willoughby-ave-ade2b4a9 (data as of October 2, 2026).