Heritage Realty: 603 Academy
Multifamily Housing in New York City, NY · 603 Academy St · 10034
At a glance
Heritage Realty: 603 Academy is a 42,565-square-foot multifamily housing building at 603 Academy St in New York City, New York, built in 1917. In its 2023 New York City benchmarking disclosure it reported an ENERGY STAR score of 24 out of 100 (grade D), a site energy-use intensity of 103.6 kBtu/ft² and 288 tCO₂e of greenhouse-gas emissions. That score is higher than 14% 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 | 24 (band D) |
| Site EUI | 103.6 kBtu/ft² |
| Source EUI | 148.7 kBtu/ft² |
| GHG emissions | 288 tCO₂e |
| GHG intensity | 6.8 kgCO₂e/ft² |
| Electricity | 284,441 kWh |
| Natural gas | 34,384 therms |
| Gross floor area | 42,565 sq ft |
| Source record | nyc:6282657:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 24 | -6 | 103.6 kBtu/ft² | 288 tCO₂e |
| 2022 | 30 | 98.7 kBtu/ft² | 260 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
- 603 Academy St
- City
- New York City
- State
- New York
- ZIP
- 10034
- Coordinates
- 40.86460, -73.92388
Within ~1 km
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See also: most efficient in New York City · biggest emitters
How does Heritage Realty: 603 Academy 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. Heritage Realty: 603 Academy's ENERGY STAR score of 24 compares with an average of 63 across the 22,829 that report a score; it scores higher than 14% of them and lower than 85%. Its site EUI of 103.6 kBtu/ft² is about 38% 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 6.8 kgCO₂e/ft² is about 31% above the group average of 5.2 kgCO₂e/ft².
At 42,565 sq ft, it is about 58% below the average floor area of 100,951 sq ft for those buildings. It was built in 1917, 35 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 Heritage Realty: 603 Academy's energy performance changed over time?
BuildingCensus holds 2 New York City disclosures for Heritage Realty: 603 Academy, covering report years 2022–2023. Its ENERGY STAR score went from 30 in 2022 to 24 in 2023 (-6 points); its best year on file was 2022, at 30. Site EUI moved from 98.7 kBtu/ft² (2022) to 103.6 kBtu/ft² (2023), an 5% increase. Reported emissions went from 260 tCO₂e to 288 tCO₂e over the same span (up 11%).
What does an ENERGY STAR score of 24 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 24 means the building performs better than about 24% of its national peers. BuildingCensus bands the score into report-card grades; 24 falls in band D — lowest band (1–54). It sits 51 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. Heritage Realty: 603 Academy's 103.6 kBtu/ft² across 42,565 sq ft works out to about 4.4 billion Btu (1,292 MWh-equivalent) in 2023. Its source EUI of 148.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 284,441 kWh of electricity and 34,384 therms of natural gas for the year.
Which law requires Heritage Realty: 603 Academy to report its energy use?
Heritage Realty: 603 Academy 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:6282657:2023). 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
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- Multifamily Housing buildings in New York City· 33,022 benchmarked
- All New York City benchmarked buildings· Local Law 84 (LL84)
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Frequently asked questions
What is Heritage Realty: 603 Academy's energy grade?
Heritage Realty: 603 Academy scores 24 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Heritage Realty: 603 Academy use?
Its 2023 site energy-use intensity was 103.6 kBtu/ft² (148.7 kBtu/ft² source) across 42,565 sq ft, including 284,441 kWh of electricity and 34,384 therms of natural gas.
What are Heritage Realty: 603 Academy's carbon emissions?
Heritage Realty: 603 Academy reported 288 tCO₂e of greenhouse-gas emissions (6.8 kgCO₂e/ft²) for 2023.
Where is Heritage Realty: 603 Academy?
Heritage Realty: 603 Academy is at 603 Academy St, in New York City, New York 10034. Its coordinates are 40.86460, -73.92388 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Heritage Realty: 603 Academy and when was it built?
Heritage Realty: 603 Academy has 42,565 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1917 as its year built. It is classed as multifamily housing.
Is Heritage Realty: 603 Academy 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, “Heritage Realty: 603 Academy, New York City, New York — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/heritage-realty-603-academy-7b5e840e (data as of October 2, 2026).