Tangram House South Condominium (133-27 39th Ave)
Multifamily Housing in New York City, NY · 133-27 39th Ave · 11354
At a glance
Tangram House South Condominium (133-27 39th Ave) is a 431,449-square-foot multifamily housing building in New York City, New York, built in 2016. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 1 out of 100 (grade D), a site energy-use intensity of 141.7 kBtu/ft² and 6,630 tCO₂e of greenhouse-gas emissions. That score is higher than 0% 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 | 1 (band D) |
| Site EUI | 141.7 kBtu/ft² |
| Source EUI | 370.2 kBtu/ft² |
| GHG emissions | 6,630 tCO₂e |
| GHG intensity | 15.4 kgCO₂e/ft² |
| Electricity | 15,998,850 kWh |
| Natural gas | 65,463 therms |
| Gross floor area | 431,449 sq ft |
| Source record | nyc:12066533:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 1 | ±0 | 141.7 kBtu/ft² | 6,630 tCO₂e |
| 2023 | 1 | ±0 | 120.8 kBtu/ft² | 5,654 tCO₂e |
| 2022 | 1 | 93.4 kBtu/ft² | 3,405 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
- 133-27 39th Ave
- City
- New York City
- State
- New York
- ZIP
- 11354
- Coordinates
- 40.75912, -73.83417
Within ~1 km
Nearby benchmarked buildings
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- BLANDscore 9
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- Queen's Crossingscore —
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See also: most efficient in New York City · biggest emitters
How does Tangram House South Condominium (133-27 39th Ave) 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. Tangram House South Condominium (133-27 39th Ave)'s ENERGY STAR score of 1 compares with an average of 63 across the 22,829 that report a score; it scores higher than 0% of them and lower than 97%. Its site EUI of 141.7 kBtu/ft² is about 89% above the average of 74.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 15.4 kgCO₂e/ft² is about 196% above the group average of 5.2 kgCO₂e/ft².
At 431,449 sq ft, it is about 327% above the average floor area of 100,951 sq ft for those buildings. It was built in 2016, 64 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 Tangram House South Condominium (133-27 39th Ave)'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for Tangram House South Condominium (133-27 39th Ave), covering report years 2022–2024. Its ENERGY STAR score was 1 in both 2022 and 2024. Site EUI moved from 93.4 kBtu/ft² (2022) to 141.7 kBtu/ft² (2024), an 52% increase. Reported emissions went from 3,405 tCO₂e to 6,630 tCO₂e over the same span (up 95%).
What does an ENERGY STAR score of 1 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: 1 is the bottom of the scale. BuildingCensus bands the score into report-card grades; 1 falls in band D — lowest band (1–54). It sits 74 points below 75, the threshold for ENERGY STAR certification. 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. Tangram House South Condominium (133-27 39th Ave)'s 141.7 kBtu/ft² across 431,449 sq ft works out to about 61.1 billion Btu (17,917 MWh-equivalent) in 2024. Its source EUI of 370.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 15,998,850 kWh of electricity and 65,463 therms of natural gas for the year.
Which law requires Tangram House South Condominium (133-27 39th Ave) to report its energy use?
Tangram House South Condominium (133-27 39th Ave) 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:12066533:2024). 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
- (9241aff) - 241 WEST 28TH STREET OWNER LLC (241 West 28th Street)· 431,428 sq ft · score 74 (B)
- Lightstone Group - 30-02 39th Ave· 431,250 sq ft · EUI 62.4 kBtu/ft²
- Flatbush Gardens C-Court· 431,086 sq ft · score 42 (D)
- 39-25 51st Street - 26212· 430,982 sq ft · score 96 (A)
- Atlantic Chestnut AC1· 430,886 sq ft · score 100 (A)
- The Apthorp Condominium· 430,536 sq ft · EUI 94.7 kBtu/ft²
- 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 Tangram House South Condominium (133-27 39th Ave)'s energy grade?
Tangram House South Condominium (133-27 39th Ave) scores 1 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 New York City disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Tangram House South Condominium (133-27 39th Ave) use?
Its 2024 site energy-use intensity was 141.7 kBtu/ft² (370.2 kBtu/ft² source) across 431,449 sq ft, including 15,998,850 kWh of electricity and 65,463 therms of natural gas.
What are Tangram House South Condominium (133-27 39th Ave)'s carbon emissions?
Tangram House South Condominium (133-27 39th Ave) reported 6,630 tCO₂e of greenhouse-gas emissions (15.4 kgCO₂e/ft²) for 2024.
Where is Tangram House South Condominium (133-27 39th Ave)?
Tangram House South Condominium (133-27 39th Ave) is in New York City, New York 11354. Its coordinates are 40.75912, -73.83417 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is Tangram House South Condominium (133-27 39th Ave) and when was it built?
Tangram House South Condominium (133-27 39th Ave) has 431,449 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2016 as its year built. It is classed as multifamily housing.
Is Tangram House South Condominium (133-27 39th Ave) 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, “Tangram House South Condominium (133-27 39th Ave), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/tangram-house-south-condominium-133-27-39th-ave-594a35f2 (data as of October 2, 2026).