800 Sixth (sx009 & sx010)
Multifamily Housing in New York City, NY · 800 Sixth Ave · 10001
At a glance
800 Sixth (sx009 & sx010) is a 287,875-square-foot multifamily housing building at 800 Sixth Ave in New York City, New York, built in 2003. In its 2024 New York City benchmarking disclosure it reported an ENERGY STAR score of 35 out of 100 (grade D), a site energy-use intensity of 81.2 kBtu/ft² and 1,749 tCO₂e of greenhouse-gas emissions. That score is higher than 20% 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 | 35 (band D) |
| Site EUI | 81.2 kBtu/ft² |
| Source EUI | 135.0 kBtu/ft² |
| GHG emissions | 1,749 tCO₂e |
| GHG intensity | 6.1 kgCO₂e/ft² |
| Electricity | 2,399,144 kWh |
| Natural gas | 151,952 therms |
| Water use | 7,692 kgal |
| Gross floor area | 287,875 sq ft |
| Source record | nyc:15584823:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 35 | -1 | 81.2 kBtu/ft² | 1,749 tCO₂e |
| 2023 | 36 | +9 | 78.3 kBtu/ft² | 1,653 tCO₂e |
| 2022 | 27 | 86.7 kBtu/ft² | 1,606 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
- 800 Sixth Ave
- City
- New York City
- State
- New York
- ZIP
- 10001
- Coordinates
- 40.74534, -73.99049
Within ~1 km
Nearby benchmarked buildings
- Manhattan Westscore —
Other · 4,153,954 sq ft
- Penn Southscore 95
Multifamily Housing · 3,391,963 sq ft
- ESRT - Empire State Buildingscore 78
Office · 2,852,257 sq ft
- PENN 1 (LL97)score —
Office · 2,488,353 sq ft
- PENN 1 (Offices)score —
Office · 2,439,745 sq ft
- 11 Madison Avenuescore 77
Office · 2,228,574 sq ft
See also: most efficient in New York City · biggest emitters
How does 800 Sixth (sx009 & sx010) 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. 800 Sixth (sx009 & sx010)'s ENERGY STAR score of 35 compares with an average of 63 across the 22,829 that report a score; it scores higher than 20% of them and lower than 79%. Its site EUI of 81.2 kBtu/ft² is roughly in line with the average of 74.9 kBtu/ft². Its emissions intensity of 6.1 kgCO₂e/ft² is about 17% above the group average of 5.2 kgCO₂e/ft².
At 287,875 sq ft, it is about 185% above the average floor area of 100,951 sq ft for those buildings. It was built in 2003, 51 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 800 Sixth (sx009 & sx010)'s energy performance changed over time?
BuildingCensus holds 3 New York City disclosures for 800 Sixth (sx009 & sx010), covering report years 2022–2024. Its ENERGY STAR score went from 27 in 2022 to 35 in 2024 (+8 points); its best year on file was 2023, at 36. Site EUI moved from 86.7 kBtu/ft² (2022) to 81.2 kBtu/ft² (2024), a 6% decrease. Reported emissions went from 1,606 tCO₂e to 1,749 tCO₂e over the same span (up 9%).
What does an ENERGY STAR score of 35 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: a score of 35 means the building performs better than about 35% of its national peers. BuildingCensus bands the score into report-card grades; 35 falls in band D — lowest band (1–54). It sits 40 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. 800 Sixth (sx009 & sx010)'s 81.2 kBtu/ft² across 287,875 sq ft works out to about 23.4 billion Btu (6,851 MWh-equivalent) in 2024. Its source EUI of 135.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,399,144 kWh of electricity, 151,952 therms of natural gas and 7,692 thousand gallons of water for the year.
Which law requires 800 Sixth (sx009 & sx010) to report its energy use?
800 Sixth (sx009 & sx010) 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:15584823:2024). 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
- The Barclay· 287,756 sq ft · EUI 127.2 kBtu/ft²
- Pink - Bldgs 13, 14, 19, 20· 287,700 sq ft · EUI 20.8 kBtu/ft²
- 300 East 39th St. - 29846· 287,584 sq ft · score 39 (D)
- Forest Hills: 64-35 Yellowstone Blvd· 287,459 sq ft · score 93 (A)
- Rocklyn: 7200 Douglaston· 287,295 sq ft
- VANDALIA AVENUE· 287,200 sq ft · score 53 (D)
- 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 800 Sixth (sx009 & sx010)'s energy grade?
800 Sixth (sx009 & sx010) scores 35 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 800 Sixth (sx009 & sx010) use?
Its 2024 site energy-use intensity was 81.2 kBtu/ft² (135.0 kBtu/ft² source) across 287,875 sq ft, including 2,399,144 kWh of electricity and 151,952 therms of natural gas.
What are 800 Sixth (sx009 & sx010)'s carbon emissions?
800 Sixth (sx009 & sx010) reported 1,749 tCO₂e of greenhouse-gas emissions (6.1 kgCO₂e/ft²) for 2024.
Where is 800 Sixth (sx009 & sx010)?
800 Sixth (sx009 & sx010) is at 800 Sixth Ave, in New York City, New York 10001. Its coordinates are 40.74534, -73.99049 (latitude, longitude), as published in the Energy and Water Data Disclosure file.
How big is 800 Sixth (sx009 & sx010) and when was it built?
800 Sixth (sx009 & sx010) has 287,875 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2003 as its year built. It is classed as multifamily housing.
Is 800 Sixth (sx009 & sx010) 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, “800 Sixth (sx009 & sx010), New York City, New York — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/new-york-city/800-sixth-sx009-sx010-bef8b6c5 (data as of October 2, 2026).