Portsmouth Square Garage
Other in California, CA · 733 Kearny St, San Francisco · 94108
At a glance
Portsmouth Square Garage is a 225,480-square-foot other building at 733 Kearny St, San Francisco in San Francisco, California, built in 1962. In its 2022 California benchmarking disclosure it reported a site energy-use intensity of 5.6 kBtu/ft² and 89 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2022
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 5.6 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 89 tCO₂e |
| GHG intensity | 0.4 kgCO₂e/ft² |
| Electricity | 368,312 kWh |
| Gross floor area | 225,480 sq ft |
| Source record | california:3186987:2022 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2022latest | — | 5.6 kBtu/ft² | 89 tCO₂e | |
| 2021 | — | 5.3 kBtu/ft² | 82 tCO₂e | |
| 2020 | — | 5.4 kBtu/ft² | 81 tCO₂e | |
| 2019 | — | 7.8 kBtu/ft² | 117 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 733 Kearny St, San Francisco
- City
- California
- State
- California
- ZIP
- 94108
- Coordinates
- 37.79500, -122.40497
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Portsmouth Square Garage compare with other other buildings in California?
The latest disclosures cover 773 other buildings in California, out of 40,029 buildings citywide. Its site EUI of 5.6 kBtu/ft² is about 90% below the average of 58.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.4 kgCO₂e/ft² is about 89% below the group average of 3.5 kgCO₂e/ft².
At 225,480 sq ft, it is about 56% below the average floor area of 511,890 sq ft for those buildings. It was built in 1962, 11 years earlier than the group's average year built (1973). Across all 24 jurisdictions BuildingCensus covers, the 1,327 other buildings average an ENERGY STAR score of 60 and a site EUI of 63.3 kBtu/ft².
How has Portsmouth Square Garage's energy performance changed over time?
BuildingCensus holds 4 California disclosures for Portsmouth Square Garage, covering report years 2019–2022. Site EUI moved from 7.8 kBtu/ft² (2019) to 5.6 kBtu/ft² (2022), a 28% decrease. Reported emissions went from 117 tCO₂e to 89 tCO₂e over the same span (down 24%).
What does a site EUI of 5.6 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. Portsmouth Square Garage's 5.6 kBtu/ft² across 225,480 sq ft works out to about 1.3 billion Btu (370 MWh-equivalent) in 2022. The disclosure also reports 368,312 kWh of electricity for the year.
Which law requires Portsmouth Square Garage to report its energy use?
Portsmouth Square Garage 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 2022 disclosure (source record california:3186987:2022). 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.
More other buildings in California
- 050 Legislative Garage - Lot 50· 224,365 sq ft · EUI 3.1 kBtu/ft²
- Daa 35, Merced County Fairgrounds· 222,119 sq ft
- The Phi Stoa· 221,365 sq ft · EUI 71.0 kBtu/ft²
- Redwood Junction· 221,000 sq ft · EUI 0.9 kBtu/ft²
- Daa 01-A, Cow Palace· 220,000 sq ft
- Maxim Integrated Products· 217,327 sq ft · EUI 187.5 kBtu/ft²
- Other buildings in California· 773 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 Portsmouth Square Garage's energy grade?
Portsmouth Square Garage did not report an ENERGY STAR score in its 2022 disclosure, but its site energy-use intensity was 5.6 kBtu/ft².
How much energy does Portsmouth Square Garage use?
Its 2022 site energy-use intensity was 5.6 kBtu/ft² across 225,480 sq ft, including 368,312 kWh of electricity.
What are Portsmouth Square Garage's carbon emissions?
Portsmouth Square Garage reported 89 tCO₂e of greenhouse-gas emissions (0.4 kgCO₂e/ft²) for 2022.
Where is Portsmouth Square Garage?
Portsmouth Square Garage is at 733 Kearny St, San Francisco, in San Francisco, California 94108. Its coordinates are 37.79500, -122.40497 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Portsmouth Square Garage and when was it built?
Portsmouth Square Garage has 225,480 sq ft of gross floor area, as reported in its 2022 disclosure. The disclosure lists 1962 as its year built. It is classed as other.
Is Portsmouth Square Garage covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2022 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, “Portsmouth Square Garage, San Francisco, California — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/california/portsmouth-square-garage-f5d99f65 (data as of July 9, 2026).