350 California Street
Office in California, CA · 350 California Street, San Francisco · 94104
At a glance
350 California Street is a 348,500-square-foot office building at 350 California Street, San Francisco in San Francisco, California, built in 1977. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 28.3 kBtu/ft² and 589 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 28.3 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 589 tCO₂e |
| GHG intensity | 1.7 kgCO₂e/ft² |
| Electricity | 1,369,948 kWh |
| Natural gas | 52,438 therms |
| Gross floor area | 348,500 sq ft |
| Source record | california:3533:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 28.3 kBtu/ft² | 589 tCO₂e | |
| 2023 | 88 | +14 | 40.0 kBtu/ft² | 895 tCO₂e |
| 2022 | 74 | 52.4 kBtu/ft² | 1,197 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
- 350 California Street, San Francisco
- City
- California
- State
- California
- ZIP
- 94104
- Coordinates
- 37.79341, -122.40084
Within ~1 km
Nearby benchmarked buildings
- 555 Californiascore 75
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- PGE-GO Complexscore —
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- One Market Plazascore 80
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- One Market Plazascore 79
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- 555 California Streetscore 76
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- 500 BATTERY STscore —
Mixed Residential · 1,779,579 sq ft
See also: most efficient in California · biggest emitters
How does 350 California Street 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 28.3 kBtu/ft² is about half of 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 1.7 kgCO₂e/ft² is about half of the group average of 3.6 kgCO₂e/ft².
At 348,500 sq ft, it is about 129% above the average floor area of 151,937 sq ft for those buildings. It was built in 1977, 8 years earlier than 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 350 California Street's energy performance changed over time?
BuildingCensus holds 3 California disclosures for 350 California Street, covering report years 2022–2024. Its ENERGY STAR score went from 74 in 2022 to 88 in 2023 (+14 points). Site EUI moved from 52.4 kBtu/ft² (2022) to 28.3 kBtu/ft² (2024), a 46% decrease. Reported emissions went from 1,197 tCO₂e to 589 tCO₂e over the same span (down 51%).
What does a site EUI of 28.3 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. 350 California Street's 28.3 kBtu/ft² across 348,500 sq ft works out to about 9.9 billion Btu (2,890 MWh-equivalent) in 2024. The disclosure also reports 1,369,948 kWh of electricity and 52,438 therms of natural gas for the year.
Which law requires 350 California Street to report its energy use?
350 California Street 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 2024 disclosure (source record california:3533:2024). 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 office buildings in California
- 1325 J Street - Sacramento· 347,915 sq ft · score 87 (A)
- 900 Middlefield/Jefferson - Crossing 900· 347,842 sq ft · score 92 (A)
- Hellyer Technology Park· 347,434 sq ft · EUI 36.5 kBtu/ft²
- 5215-5225 Hellyer Avenue· 347,434 sq ft · score 63 (C)
- Entrada· 347,095 sq ft · score 100 (A)
- Icon· 346,991 sq ft · score 57 (C)
- 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 350 California Street's energy grade?
350 California Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 28.3 kBtu/ft².
How much energy does 350 California Street use?
Its 2024 site energy-use intensity was 28.3 kBtu/ft² across 348,500 sq ft, including 1,369,948 kWh of electricity and 52,438 therms of natural gas.
What are 350 California Street's carbon emissions?
350 California Street reported 589 tCO₂e of greenhouse-gas emissions (1.7 kgCO₂e/ft²) for 2024.
Where is 350 California Street?
350 California Street is at 350 California Street, San Francisco, in San Francisco, California 94104. Its coordinates are 37.79341, -122.40084 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 350 California Street and when was it built?
350 California Street has 348,500 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1977 as its year built. It is classed as office.
Is 350 California Street covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2024 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, “350 California Street, San Francisco, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/350-california-street-43fcf31b (data as of July 9, 2026).