10 United Nations Plaza
Office in California, CA · 10 United Nations Plaza, San Francisco · 94102
At a glance
10 United Nations Plaza is a 72,000-square-foot office building at 10 United Nations Plaza, San Francisco in San Francisco, California, built in 1982. In its 2020 California benchmarking disclosure it reported a site energy-use intensity of 3.2 kBtu/ft² and 14 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2020
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 3.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 14 tCO₂e |
| GHG intensity | 0.2 kgCO₂e/ft² |
| Electricity | 67,607 kWh |
| Natural gas | 0 therms |
| Gross floor area | 72,000 sq ft |
| Source record | california:17396938:2020 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2020latest | — | 3.2 kBtu/ft² | 14 tCO₂e | |
| 2019 | — | 2.9 kBtu/ft² | 13 tCO₂e |
Compliance context
AB 802 (Public Resources Code §25402.10)
AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 10 United Nations Plaza, San Francisco
- City
- California
- State
- California
- ZIP
- 94102
- Coordinates
- 37.78045, -122.41320
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 10 United Nations Plaza compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Its site EUI of 3.2 kBtu/ft² is about 94% below the average of 56.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.2 kgCO₂e/ft² is about 94% below the group average of 3.6 kgCO₂e/ft².
At 72,000 sq ft, it is about half of the average floor area of 151,937 sq ft for those buildings. Its 1982 construction date is close to the group's average year built (1985). 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 10 United Nations Plaza's energy performance changed over time?
BuildingCensus holds 2 California disclosures for 10 United Nations Plaza, covering report years 2019–2020. Site EUI moved from 2.9 kBtu/ft² (2019) to 3.2 kBtu/ft² (2020), an 10% increase. Reported emissions went from 13 tCO₂e to 14 tCO₂e over the same span (up 12%).
What does a site EUI of 3.2 kBtu/ft² mean?
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. 10 United Nations Plaza's 3.2 kBtu/ft² across 72,000 sq ft works out to about 0.2 billion Btu (68 MWh-equivalent) in 2020. The disclosure also reports 67,607 kWh of electricity and 0 therms of natural gas for the year.
Which law requires 10 United Nations Plaza to report its energy use?
10 United Nations Plaza reports under AB 802 (Public Resources Code §25402.10), the legal basis of California's Building Energy Benchmarking Program (statewide), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2020 disclosure (source record california:17396938:2020). AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
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- Office buildings in California· 6,214 benchmarked
- All California benchmarked buildings· AB 802 (Public Resources Code §25402.10)
- Most efficient large buildings in California
- Least efficient large buildings in California
- Biggest emitters in California
Frequently asked questions
What is 10 United Nations Plaza's energy grade?
10 United Nations Plaza did not report an ENERGY STAR score in its 2020 disclosure, but its site energy-use intensity was 3.2 kBtu/ft².
How much energy does 10 United Nations Plaza use?
Its 2020 site energy-use intensity was 3.2 kBtu/ft² across 72,000 sq ft, including 67,607 kWh of electricity and 0 therms of natural gas.
What are 10 United Nations Plaza's carbon emissions?
10 United Nations Plaza reported 14 tCO₂e of greenhouse-gas emissions (0.2 kgCO₂e/ft²) for 2020.
Where is 10 United Nations Plaza?
10 United Nations Plaza is at 10 United Nations Plaza, San Francisco, in San Francisco, California 94102. Its coordinates are 37.78045, -122.41320 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 10 United Nations Plaza and when was it built?
10 United Nations Plaza has 72,000 sq ft of gross floor area, as reported in its 2020 disclosure. The disclosure lists 1982 as its year built. It is classed as office.
Is 10 United Nations Plaza covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2020 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).
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About this data
Source: Building Energy Benchmarking Program (statewide) (AB 802 (Public Resources Code §25402.10)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “10 United Nations Plaza, San Francisco, California — 2020 benchmarking disclosure”, https://buildingcensus.com/buildings/california/10-united-nations-plaza-4f8f9b4b (data as of July 9, 2026).