11-15 45th Avenue
Multifamily Housing in New York City, NY · 11101
At a glance
11-15 45th Avenue is a 25,800-square-foot multifamily housing building in New York City, New York, built in 1931. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 71 out of 100 (grade B), a site energy-use intensity of 81.5 kBtu/ft² and 166 tCO₂e of greenhouse-gas emissions. That score is higher than 52% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 71 (band B) |
| Site EUI | 81.5 kBtu/ft² |
| Source EUI | 105.8 kBtu/ft² |
| GHG emissions | 166 tCO₂e |
| GHG intensity | 6.4 kgCO₂e/ft² |
| Electricity | 98,493 kWh |
| Natural gas | 971 therms |
| Water use | 1,117 kgal |
| Gross floor area | 25,800 sq ft |
| Source record | nyc:33603146:2023 |
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
- 11-15 45th Avenue
- City
- New York City
- State
- New York
- ZIP
- 11101
- Coordinates
- 40.74768, -73.94924
Within ~1 km
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How does 11-15 45th 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. 11-15 45th Avenue's ENERGY STAR score of 71 compares with an average of 63 across the 22,829 that report a score; it scores higher than 52% of them and lower than 47%. Its site EUI of 81.5 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 6.4 kgCO₂e/ft² is about 23% above the group average of 5.2 kgCO₂e/ft².
At 25,800 sq ft, it is about 74% below the average floor area of 100,951 sq ft for those buildings. It was built in 1931, 21 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.
What does an ENERGY STAR score of 71 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 71 means the building performs better than about 71% of its national peers. BuildingCensus bands the score into report-card grades; 71 falls in band B — above median (70–84). It sits 4 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. 11-15 45th Avenue's 81.5 kBtu/ft² across 25,800 sq ft works out to about 2.1 billion Btu (616 MWh-equivalent) in 2023. Its source EUI of 105.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 98,493 kWh of electricity, 971 therms of natural gas and 1,117 thousand gallons of water for the year.
Which law requires 11-15 45th Avenue to report its energy use?
11-15 45th 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 2023 disclosure (source record nyc:33603146:2023). 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
- Green Light Energy Conservation : 2319 MORRIS AVENUE· 25,794 sq ft · score 52 (D)
- 339-341 Bedford Avenue· 25,793 sq ft · score 84 (B)
- Eastern Park LLC· 25,789 sq ft · score 33 (D)
- 218 West 21st Street· 25,778 sq ft · score 67 (C)
- Canvas - 347 Lorimer Street· 25,777 sq ft · score 93 (A)
- 203-205 East 27th Street· 25,777 sq ft · score 94 (A)
- 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 11-15 45th Avenue's energy grade?
11-15 45th Avenue scores 71 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 11-15 45th Avenue use?
Its 2023 site energy-use intensity was 81.5 kBtu/ft² (105.8 kBtu/ft² source) across 25,800 sq ft, including 98,493 kWh of electricity and 971 therms of natural gas.
What are 11-15 45th Avenue's carbon emissions?
11-15 45th Avenue reported 166 tCO₂e of greenhouse-gas emissions (6.4 kgCO₂e/ft²) for 2023.
Where is 11-15 45th Avenue?
11-15 45th Avenue is in New York City, New York 11101. Its coordinates are 40.74768, -73.94924 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 11-15 45th Avenue and when was it built?
11-15 45th Avenue has 25,800 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1931 as its year built. It is classed as multifamily housing.
Is 11-15 45th Avenue covered by Local Law 84 (LL84)?
Yes — it appears in the 2023 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, “11-15 45th Avenue, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/11-15-45th-avenue-b16ab232 (data as of October 2, 2026).