SI SIHN Rad 256 Mason Ave 5113497
Hospital (General Medical & Surgical) in New York City, NY · 256 Mason Ave · 10305
At a glance
SI SIHN Rad 256 Mason Ave 5113497 is a 93,155-square-foot hospital (general medical & surgical) in New York City, New York, built in 1975. In its 2024 New York City benchmarking disclosure it reported a site energy-use intensity of 80.1 kBtu/ft² and 629 tCO₂e of greenhouse-gas emissions.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 80.1 kBtu/ft² |
| Source EUI | 154.7 kBtu/ft² |
| GHG emissions | 629 tCO₂e |
| GHG intensity | 6.8 kgCO₂e/ft² |
| Electricity | 1,100,122 kWh |
| Natural gas | 37,113 therms |
| Gross floor area | 93,155 sq ft |
| Source record | nyc:3268580:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 80.1 kBtu/ft² | 629 tCO₂e | |
| 2023 | — | 83.6 kBtu/ft² | 528 tCO₂e | |
| 2022 | — | 88.7 kBtu/ft² | 470 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
- 256 Mason Ave
- City
- New York City
- State
- New York
- ZIP
- 10305
- Coordinates
- 40.58648, -74.08693
Within ~1 km
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How does SI SIHN Rad 256 Mason Ave 5113497 compare with other hospital (general medical & surgical) buildings in New York City?
The latest disclosures cover 226 hospital (general medical & surgical) buildings in New York City, out of 48,310 buildings citywide. Its site EUI of 80.1 kBtu/ft² is about 68% below the average of 248.6 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 6.8 kgCO₂e/ft² is about 64% below the group average of 18.9 kgCO₂e/ft².
At 93,155 sq ft, it is about 79% below the average floor area of 450,487 sq ft for those buildings. It was built in 1975, 23 years later than the group's average year built (1952). Across all 24 jurisdictions BuildingCensus covers, the 748 hospital (general medical & surgical) buildings average an ENERGY STAR score of 59 and a site EUI of 238.7 kBtu/ft².
How has SI SIHN Rad 256 Mason Ave 5113497's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for SI SIHN Rad 256 Mason Ave 5113497, covering report years 2022–2024. Site EUI moved from 88.7 kBtu/ft² (2022) to 80.1 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 470 tCO₂e to 629 tCO₂e over the same span (up 34%).
What does a site EUI of 80.1 kBtu/ft² mean?
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. SI SIHN Rad 256 Mason Ave 5113497's 80.1 kBtu/ft² across 93,155 sq ft works out to about 7.5 billion Btu (2,187 MWh-equivalent) in 2024. Its source EUI of 154.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,100,122 kWh of electricity and 37,113 therms of natural gas for the year.
Which law requires SI SIHN Rad 256 Mason Ave 5113497 to report its energy use?
SI SIHN Rad 256 Mason Ave 5113497 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:3268580:2024). 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 hospital (general medical & surgical) buildings in New York City
- H+H_11791_Elmhurst Hospital: H Building· 92,001 sq ft · score 100 (A)
- 50 GUNHILL ROAD· 87,233 sq ft
- NH LHH 100 East 77 St 1082185· 84,567 sq ft
- 3444 KOSSUTH AVENUE· 83,275 sq ft
- New YorK Gracie Square Hospital - 420 E 76th St· 82,200 sq ft · score 95 (A)
- Split Rock· 80,844 sq ft · score 100 (A)
- Hospital (General Medical & Surgical) buildings in New York City· 226 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 SI SIHN Rad 256 Mason Ave 5113497's energy grade?
SI SIHN Rad 256 Mason Ave 5113497 did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 80.1 kBtu/ft².
How much energy does SI SIHN Rad 256 Mason Ave 5113497 use?
Its 2024 site energy-use intensity was 80.1 kBtu/ft² (154.7 kBtu/ft² source) across 93,155 sq ft, including 1,100,122 kWh of electricity and 37,113 therms of natural gas.
What are SI SIHN Rad 256 Mason Ave 5113497's carbon emissions?
SI SIHN Rad 256 Mason Ave 5113497 reported 629 tCO₂e of greenhouse-gas emissions (6.8 kgCO₂e/ft²) for 2024.
Where is SI SIHN Rad 256 Mason Ave 5113497?
SI SIHN Rad 256 Mason Ave 5113497 is in New York City, New York 10305. Its coordinates are 40.58648, -74.08693 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is SI SIHN Rad 256 Mason Ave 5113497 and when was it built?
SI SIHN Rad 256 Mason Ave 5113497 has 93,155 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1975 as its year built. It is classed as hospital (general medical & surgical).
Is SI SIHN Rad 256 Mason Ave 5113497 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, “SI SIHN Rad 256 Mason Ave 5113497, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/si-sihn-rad-256-mason-ave-5113497-fcdb382e (data as of October 2, 2026).