SI SIHN 242 Rear Mason Ave 5155715
Medical Office in New York City, NY · 242 Rear Mason Avenue · 10305
At a glance
SI SIHN 242 Rear Mason Ave 5155715 is a 29,713-square-foot medical office at 242 Rear Mason Avenue in New York City, New York, built in 1950. It is listed in the 2024 Energy and Water Data Disclosure disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year.
No energy data reported for 2024
SI SIHN 242 Rear Mason Ave 5155715 appears in the 2024 Energy and Water Data Disclosure disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year.
Floor area on file: 29,713 sq ft · Built 1950
Source record nyc:52261193:2024
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
- 242 Rear Mason Avenue
- City
- New York City
- State
- New York
- ZIP
- 10305
- Coordinates
- 40.58687, -74.08659
Within ~1 km
Nearby benchmarked buildings
Hospital (General Medical & Surgical) · 912,816 sq ft
- SI SIHN 475 Seaview Ave 5049717score 46
Hospital (General Medical & Surgical) · 667,078 sq ft
- Seaview child 475score —
Hospital (General Medical & Surgical) · 567,517 sq ft
Hospital (General Medical & Surgical) · 93,155 sq ft
Hospital (General Medical & Surgical) · 93,155 sq ft
K-12 School · 87,660 sq ft
See also: most efficient in New York City · biggest emitters
Which law requires SI SIHN 242 Rear Mason Ave 5155715 to report its energy use?
SI SIHN 242 Rear Mason Ave 5155715 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:52261193:2024). 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 medical office buildings in New York City
- 7020, 70-20 Austin St· 29,700 sq ft · score 98 (A)
- 1797 PITKIN AVE.· 29,652 sq ft · score 86 (A)
- David:1797 PITKIN AVENUE· 29,652 sq ft · score 46 (D)
- 773-775 Ninth Avenue· 29,441 sq ft · score 56 (C)
- Start: 937 Fulton St.· 29,372 sq ft · score 48 (D)
- Brookdale Hospital - 1873 Eastern Parkway· 29,202 sq ft · score 100 (A)
- Medical Office buildings in New York City· 188 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 242 Rear Mason Ave 5155715's energy grade?
SI SIHN 242 Rear Mason Ave 5155715 has no grade: it did not report energy data for 2024. The 2024 Energy and Water Data Disclosure disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is SI SIHN 242 Rear Mason Ave 5155715?
SI SIHN 242 Rear Mason Ave 5155715 is at 242 Rear Mason Avenue, in New York City, New York 10305. Its coordinates are 40.58687, -74.08659 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
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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 242 Rear Mason Ave 5155715, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/si-sihn-242-rear-mason-ave-5155715-019b9328 (data as of October 2, 2026).