Mutual Redevelopment -Penn South - Building 10
Multifamily Housing in New York City, NY · 365 West 28th Street · 10001
At a glance
Mutual Redevelopment -Penn South - Building 10 is a 199,453-square-foot multifamily housing building at 365 West 28th Street in New York City, New York, built in 1960. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 100 out of 100 (grade A), a site energy-use intensity of 6.1 kBtu/ft² and 65 tCO₂e of greenhouse-gas emissions. That score is higher than 90% of the 22,829 scored multifamily housing buildings in New York City.
Local Law 84 (LL84) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | 6.1 kBtu/ft² |
| Source EUI | 6.5 kBtu/ft² |
| GHG emissions | 65 tCO₂e |
| GHG intensity | 0.3 kgCO₂e/ft² |
| Natural gas | 12,264 therms |
| Gross floor area | 199,453 sq ft |
| Source record | nyc:2649805:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | ±0 | 6.1 kBtu/ft² | 65 tCO₂e |
| 2023 | 100 | ±0 | 6.1 kBtu/ft² | 64 tCO₂e |
| 2022 | 100 | 2.3 kBtu/ft² | 25 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
- 365 West 28th Street
- City
- New York City
- State
- New York
- ZIP
- 10001
- Coordinates
- 40.74950, -73.99844
Within ~1 km
Nearby benchmarked buildings
- Hudson Yards Cogen Campusscore —
Other · 7,739,076 sq ft
- Manhattan Westscore —
Other · 4,153,954 sq ft
- 20-30 Hudson Yardsscore —
Office · 3,810,623 sq ft
- Penn Southscore 95
Multifamily Housing · 3,391,963 sq ft
- 50 Hudson Yardsscore 76
Office · 2,944,455 sq ft
- The Spiral - 66 Hudson Boulevardscore 82
Office · 2,830,000 sq ft
See also: most efficient in New York City · biggest emitters
How does Mutual Redevelopment -Penn South - Building 10 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. Mutual Redevelopment -Penn South - Building 10's ENERGY STAR score of 100 compares with an average of 63 across the 22,829 that report a score; it scores higher than 90% of them. Its site EUI of 6.1 kBtu/ft² is about 92% below the average of 74.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.3 kgCO₂e/ft² is about 94% below the group average of 5.2 kgCO₂e/ft².
At 199,453 sq ft, it is about twice the average floor area of 100,951 sq ft for those buildings. It was built in 1960, 8 years later 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 Mutual Redevelopment -Penn South - Building 10's energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Mutual Redevelopment -Penn South - Building 10, covering report years 2022–2024. Its ENERGY STAR score was 100 in both 2022 and 2024. Site EUI moved from 2.3 kBtu/ft² (2022) to 6.1 kBtu/ft² (2024), an 165% increase. Reported emissions went from 25 tCO₂e to 65 tCO₂e over the same span (up 166%).
What does an ENERGY STAR score of 100 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: 100 is the top of the scale. BuildingCensus bands the score into report-card grades; 100 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. Mutual Redevelopment -Penn South - Building 10's 6.1 kBtu/ft² across 199,453 sq ft works out to about 1.2 billion Btu (357 MWh-equivalent) in 2024. Its source EUI of 6.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 12,264 therms of natural gas for the year.
Which law requires Mutual Redevelopment -Penn South - Building 10 to report its energy use?
Mutual Redevelopment -Penn South - Building 10 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:2649805:2024). 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 multifamily housing buildings in New York City
- 2nd Corp - N Buildings (5781,1)· 199,410 sq ft · score 86 (A)
- 535 East 98th Street· 199,383 sq ft · score 99 (A)
- MURRAY HILL:44-65 KISSENA BOULEVARD· 199,278 sq ft · score 100 (A)
- Orsid - 336 Central Park West· 199,277 sq ft · score 77 (B)
- 505 Greenwich Street· 199,216 sq ft · score 51 (D)
- 301 East 22nd Street· 199,097 sq ft
- 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 Mutual Redevelopment -Penn South - Building 10's energy grade?
Mutual Redevelopment -Penn South - Building 10 scores 100 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Mutual Redevelopment -Penn South - Building 10 use?
Its 2024 site energy-use intensity was 6.1 kBtu/ft² (6.5 kBtu/ft² source) across 199,453 sq ft and 12,264 therms of natural gas.
What are Mutual Redevelopment -Penn South - Building 10's carbon emissions?
Mutual Redevelopment -Penn South - Building 10 reported 65 tCO₂e of greenhouse-gas emissions (0.3 kgCO₂e/ft²) for 2024.
Where is Mutual Redevelopment -Penn South - Building 10?
Mutual Redevelopment -Penn South - Building 10 is at 365 West 28th Street, in New York City, New York 10001. Its coordinates are 40.74950, -73.99844 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Mutual Redevelopment -Penn South - Building 10 and when was it built?
Mutual Redevelopment -Penn South - Building 10 has 199,453 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1960 as its year built. It is classed as multifamily housing.
Is Mutual Redevelopment -Penn South - Building 10 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, “Mutual Redevelopment -Penn South - Building 10, New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/mutual-redevelopment-penn-south-building-10-83ebcf78 (data as of October 2, 2026).