Brooklyn Property Managers - 609 45th st
Multifamily Housing in New York City, NY · 609 45th st · 11220
At a glance
Brooklyn Property Managers - 609 45th st is a 40,397-square-foot multifamily housing building in New York City, New York, built in 1923. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 9 out of 100 (grade D), a site energy-use intensity of 111.1 kBtu/ft² and 295 tCO₂e of greenhouse-gas emissions. That score is higher than 7% 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 | 9 (band D) |
| Site EUI | 111.1 kBtu/ft² |
| Source EUI | 156.2 kBtu/ft² |
| GHG emissions | 295 tCO₂e |
| GHG intensity | 7.3 kgCO₂e/ft² |
| Electricity | 267,282 kWh |
| Natural gas | 35,757 therms |
| Gross floor area | 40,397 sq ft |
| Source record | nyc:6579212:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 9 | -2 | 111.1 kBtu/ft² | 295 tCO₂e |
| 2023 | 11 | +3 | 111.3 kBtu/ft² | 283 tCO₂e |
| 2022 | 8 | 128.7 kBtu/ft² | 304 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
- 609 45th st
- City
- New York City
- State
- New York
- ZIP
- 11220
- Coordinates
- 40.64631, -74.00474
Within ~1 km
Nearby benchmarked buildings
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- Boro Park Centerscore —
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- 4723 10th Avenue - datascore —
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- 938-980 48th Streetscore 2
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See also: most efficient in New York City · biggest emitters
How does Brooklyn Property Managers - 609 45th st 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. Brooklyn Property Managers - 609 45th st's ENERGY STAR score of 9 compares with an average of 63 across the 22,829 that report a score; it scores higher than 7% of them and lower than 93%. Its site EUI of 111.1 kBtu/ft² is about 48% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 7.3 kgCO₂e/ft² is about 40% above the group average of 5.2 kgCO₂e/ft².
At 40,397 sq ft, it is about 60% below the average floor area of 100,951 sq ft for those buildings. It was built in 1923, 29 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 Brooklyn Property Managers - 609 45th st's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Brooklyn Property Managers - 609 45th st, covering report years 2022–2024. Its ENERGY STAR score went from 8 in 2022 to 9 in 2024 (+1 points); its best year on file was 2023, at 11. Site EUI moved from 128.7 kBtu/ft² (2022) to 111.1 kBtu/ft² (2024), a 14% decrease. Reported emissions went from 304 tCO₂e to 295 tCO₂e over the same span (down 3%).
What does an ENERGY STAR score of 9 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 9 means the building performs better than about 9% of its national peers. BuildingCensus bands the score into report-card grades; 9 falls in band D — lowest band (1–54). It sits 66 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. Brooklyn Property Managers - 609 45th st's 111.1 kBtu/ft² across 40,397 sq ft works out to about 4.5 billion Btu (1,315 MWh-equivalent) in 2024. Its source EUI of 156.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 267,282 kWh of electricity and 35,757 therms of natural gas for the year.
Which law requires Brooklyn Property Managers - 609 45th st to report its energy use?
Brooklyn Property Managers - 609 45th st 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:6579212:2024). 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
- 220 W 71 St· 40,385 sq ft · score 76 (B)
- Odyssey - 239 E. 121St· 40,385 sq ft · score 15 (D)
- 222-228 East 119th St· 40,383 sq ft · score 2 (D)
- 232-238 East 119th St· 40,383 sq ft
- 2986 Briggs Avenue AKA 270 East 201st Street· 40,381 sq ft · score 77 (B)
- 174 Avenue A· 40,376 sq ft · score 48 (D)
- 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 Brooklyn Property Managers - 609 45th st's energy grade?
Brooklyn Property Managers - 609 45th st scores 9 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 Brooklyn Property Managers - 609 45th st use?
Its 2024 site energy-use intensity was 111.1 kBtu/ft² (156.2 kBtu/ft² source) across 40,397 sq ft, including 267,282 kWh of electricity and 35,757 therms of natural gas.
What are Brooklyn Property Managers - 609 45th st's carbon emissions?
Brooklyn Property Managers - 609 45th st reported 295 tCO₂e of greenhouse-gas emissions (7.3 kgCO₂e/ft²) for 2024.
Where is Brooklyn Property Managers - 609 45th st?
Brooklyn Property Managers - 609 45th st is in New York City, New York 11220. Its coordinates are 40.64631, -74.00474 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Brooklyn Property Managers - 609 45th st and when was it built?
Brooklyn Property Managers - 609 45th st has 40,397 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1923 as its year built. It is classed as multifamily housing.
Is Brooklyn Property Managers - 609 45th st 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, “Brooklyn Property Managers - 609 45th st, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/brooklyn-property-managers-609-45th-st-e0f0bab7 (data as of October 2, 2026).