512 E 145th St, 443 Saint Anns Ave.
Multifamily Housing in New York City, NY · 512 EAST 145 STREET, 443 Saint Anns Ave · 10454
At a glance
512 E 145th St, 443 Saint Anns Ave. is a 305,556-square-foot multifamily housing building at 512 EAST 145 STREET, 443 Saint Anns Ave in New York City, New York, built in 1972. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 8 out of 100 (grade D), a site energy-use intensity of 118.3 kBtu/ft² and 2,566 tCO₂e of greenhouse-gas emissions. That score is higher than 6% 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 | 8 (band D) |
| Site EUI | 118.3 kBtu/ft² |
| Source EUI | 174.0 kBtu/ft² |
| GHG emissions | 2,566 tCO₂e |
| GHG intensity | 8.4 kgCO₂e/ft² |
| Electricity | 2,582,815 kWh |
| Natural gas | 225,874 therms |
| Gross floor area | 305,556 sq ft |
| Source record | nyc:20806352:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 8 | +4 | 118.3 kBtu/ft² | 2,566 tCO₂e |
| 2023 | 4 | -1 | 129.4 kBtu/ft² | 2,744 tCO₂e |
| 2022 | 5 | 130.1 kBtu/ft² | 2,611 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
- 512 EAST 145 STREET, 443 Saint Anns Ave
- City
- New York City
- State
- New York
- ZIP
- 10454
- Coordinates
- 40.81217, -73.91608
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does 512 E 145th St, 443 Saint Anns 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. 512 E 145th St, 443 Saint Anns Ave.'s ENERGY STAR score of 8 compares with an average of 63 across the 22,829 that report a score; it scores higher than 6% of them and lower than 93%. Its site EUI of 118.3 kBtu/ft² is about 58% 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 8.4 kgCO₂e/ft² is about 62% above the group average of 5.2 kgCO₂e/ft².
At 305,556 sq ft, it is about 203% above the average floor area of 100,951 sq ft for those buildings. It was built in 1972, 20 years later 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 512 E 145th St, 443 Saint Anns Ave.'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 512 E 145th St, 443 Saint Anns Ave., covering report years 2022–2024. Its ENERGY STAR score went from 5 in 2022 to 8 in 2024 (+3 points). Site EUI moved from 130.1 kBtu/ft² (2022) to 118.3 kBtu/ft² (2024), a 9% decrease. Reported emissions went from 2,611 tCO₂e to 2,566 tCO₂e over the same span (down 2%).
What does an ENERGY STAR score of 8 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 8 means the building performs better than about 8% of its national peers. BuildingCensus bands the score into report-card grades; 8 falls in band D — lowest band (1–54). It sits 67 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. 512 E 145th St, 443 Saint Anns Ave.'s 118.3 kBtu/ft² across 305,556 sq ft works out to about 36.1 billion Btu (10,594 MWh-equivalent) in 2024. Its source EUI of 174.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,582,815 kWh of electricity and 225,874 therms of natural gas for the year.
Which law requires 512 E 145th St, 443 Saint Anns Ave. to report its energy use?
512 E 145th St, 443 Saint Anns 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:20806352:2024). 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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- Vandewater - 543 West· 305,247 sq ft · score 79 (B)
- 43-44 Kissena Blvd - 33606· 305,089 sq ft · score 53 (D)
- 400 East 57th Street· 305,006 sq ft
- Rockefeller University Residential - 500 E. 63rd Street· 304,910 sq ft · score 1 (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 512 E 145th St, 443 Saint Anns Ave.'s energy grade?
512 E 145th St, 443 Saint Anns Ave. scores 8 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 512 E 145th St, 443 Saint Anns Ave. use?
Its 2024 site energy-use intensity was 118.3 kBtu/ft² (174.0 kBtu/ft² source) across 305,556 sq ft, including 2,582,815 kWh of electricity and 225,874 therms of natural gas.
What are 512 E 145th St, 443 Saint Anns Ave.'s carbon emissions?
512 E 145th St, 443 Saint Anns Ave. reported 2,566 tCO₂e of greenhouse-gas emissions (8.4 kgCO₂e/ft²) for 2024.
Where is 512 E 145th St, 443 Saint Anns Ave.?
512 E 145th St, 443 Saint Anns Ave. is at 512 EAST 145 STREET, 443 Saint Anns Ave, in New York City, New York 10454. Its coordinates are 40.81217, -73.91608 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 512 E 145th St, 443 Saint Anns Ave. and when was it built?
512 E 145th St, 443 Saint Anns Ave. has 305,556 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1972 as its year built. It is classed as multifamily housing.
Is 512 E 145th St, 443 Saint Anns 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, “512 E 145th St, 443 Saint Anns Ave., New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/512-e-145th-st-443-saint-anns-ave-4b827a33 (data as of October 2, 2026).