Marathon: 523 Prospect Pl
Multifamily Housing in New York City, NY · 523 Prospect Pl · 11238
At a glance
Marathon: 523 Prospect Pl is a 47,861-square-foot multifamily housing building in New York City, New York, built in 1930. It is listed in the 2022 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 2022
Marathon: 523 Prospect Pl appears in the 2022 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: 47,861 sq ft · Built 1930
Source record nyc:12801783:2022
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
- 523 Prospect Pl
- City
- New York City
- State
- New York
- ZIP
- 11238
- Coordinates
- 40.67560, -73.95898
Within ~1 km
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See also: most efficient in New York City · biggest emitters
Which law requires Marathon: 523 Prospect Pl to report its energy use?
Marathon: 523 Prospect Pl 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 2022 disclosure (source record nyc:12801783:2022). 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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- J.Realty Corp· 47,859 sq ft · score 94 (A)
- Norwest: 2725 Marion Avenue· 47,857 sq ft · score 34 (D)
- 407-413 East 91st Street· 47,855 sq ft · score 76 (B)
- 315 West 99th Street· 47,851 sq ft · score 85 (A)
- 315 West 99th Street - CEC· 47,851 sq ft · score 85 (A)
- 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 Marathon: 523 Prospect Pl's energy grade?
Marathon: 523 Prospect Pl has no grade: it did not report energy data for 2022. The 2022 Energy and Water Data Disclosure disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is Marathon: 523 Prospect Pl?
Marathon: 523 Prospect Pl is in New York City, New York 11238. Its coordinates are 40.67560, -73.95898 (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, “Marathon: 523 Prospect Pl, New York City, New York — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/marathon-523-prospect-pl-a520e6f2 (data as of October 2, 2026).