150 East 42nd Street - The Mobil Building (LL84)
Office in New York City, NY · 150 East 42nd Street · 10017
At a glance
150 East 42nd Street - The Mobil Building (LL84) is a 1,589,903-square-foot office building in New York City, New York, built in 1954.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 12,219,819 kWh |
| Natural gas | 33,686 therms |
| Water use | 38,715 kgal |
| Gross floor area | 1,589,903 sq ft |
| Source record | nyc:7104567:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | — | — | |
| 2023 | 88 | +3 | 52.5 kBtu/ft² | 7,643 tCO₂e |
| 2022 | 85 | 58.0 kBtu/ft² | 7,234 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 150 East 42nd Street
- City
- New York City
- State
- New York
- ZIP
- 10017
- Coordinates
- 40.75120, -73.97548
Within ~1 km
Nearby benchmarked buildings
- Metlife Building (200 Park)score 69
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- 1221 Avenue of the Americasscore 86
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- 1211 Avenue of the Americasscore 56
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- 1211 Avenue of the Americasscore —
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- 277 Park Avenuescore 64
Office · 1,897,643 sq ft
See also: most efficient in New York City · biggest emitters
How does 150 East 42nd Street - The Mobil Building (LL84) compare with other office buildings in New York City?
The latest disclosures cover 3,384 office buildings in New York City, out of 48,310 buildings citywide.
At 1,589,903 sq ft, it is about 674% above the average floor area of 205,440 sq ft for those buildings. It was built in 1954, 14 years later than the group's average year built (1940). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 150 East 42nd Street - The Mobil Building (LL84)'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 150 East 42nd Street - The Mobil Building (LL84), covering report years 2022–2024. Its ENERGY STAR score went from 85 in 2022 to 88 in 2023 (+3 points). Site EUI moved from 58.0 kBtu/ft² (2022) to 52.5 kBtu/ft² (2023), a 9% decrease. Reported emissions went from 7,234 tCO₂e to 7,643 tCO₂e over the same span (up 6%).
Which law requires 150 East 42nd Street - The Mobil Building (LL84) to report its energy use?
150 East 42nd Street - The Mobil Building (LL84) 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:7104567:2024). 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 office buildings in New York City
- 151, 4 Times Square· 1,581,387 sq ft · score 60 (C)
- 245 Park Avenue· 1,577,612 sq ft · score 59 (C)
- Steiner Studio Stages· 1,572,281 sq ft · EUI 32.1 kBtu/ft²
- 825 8th Ave Worldwide Plaza· 1,561,009 sq ft · score 78 (B)
- 1166 Avenue of the Americas (1160 6 AVENUE)· 1,556,174 sq ft · score 65 (C)
- Grace Building (1110 6 AVENUE)· 1,537,287 sq ft · score 72 (B)
- Office buildings in New York City· 3,384 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 150 East 42nd Street - The Mobil Building (LL84)'s energy grade?
150 East 42nd Street - The Mobil Building (LL84) did not report an ENERGY STAR score in its 2024 disclosure.
How much energy does 150 East 42nd Street - The Mobil Building (LL84) use?
No energy-use intensity was reported for 2024.
What are 150 East 42nd Street - The Mobil Building (LL84)'s carbon emissions?
No greenhouse-gas emissions figure was reported for 2024.
Where is 150 East 42nd Street - The Mobil Building (LL84)?
150 East 42nd Street - The Mobil Building (LL84) is in New York City, New York 10017. Its coordinates are 40.75120, -73.97548 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 150 East 42nd Street - The Mobil Building (LL84) and when was it built?
150 East 42nd Street - The Mobil Building (LL84) has 1,589,903 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1954 as its year built. It is classed as office.
Is 150 East 42nd Street - The Mobil Building (LL84) 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, “150 East 42nd Street - The Mobil Building (LL84), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/150-east-42nd-street-the-mobil-building-ll84-b238d9e0 (data as of October 2, 2026).