270 Brannan Street
Office in California, CA · 270 Brannan Street, San Francisco · 94107
At a glance
270 Brannan Street is a 182,927-square-foot office building at 270 Brannan Street, San Francisco in San Francisco, California, built in 2016. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 11.4 kBtu/ft² and 139 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 11.4 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 139 tCO₂e |
| GHG intensity | 0.8 kgCO₂e/ft² |
| Electricity | 613,179 kWh |
| Gross floor area | 182,927 sq ft |
| Source record | california:5828750:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 11.4 kBtu/ft² | 139 tCO₂e | |
| 2023 | 96 | +6 | 17.3 kBtu/ft² | 224 tCO₂e |
| 2022 | 90 | -2 | 27.8 kBtu/ft² | 348 tCO₂e |
| 2021 | 92 | -5 | 23.8 kBtu/ft² | 263 tCO₂e |
| 2020 | 97 | +9 | 24.3 kBtu/ft² | 295 tCO₂e |
| 2019 | 88 | ±0 | 36.6 kBtu/ft² | 444 tCO₂e |
| 2018 | 88 | 35.5 kBtu/ft² | 457 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
- 270 Brannan Street, San Francisco
- City
- California
- State
- California
- ZIP
- 94107
- Coordinates
- 37.78277, -122.39137
Within ~1 km
Nearby benchmarked buildings
- Salesforce Towerscore 95
Commercial · 1,679,267 sq ft
- Salesforce Towerscore 96
Office · 1,550,750 sq ft
- 318 SPEAR STscore 98
Mixed Residential · 1,500,000 sq ft
- The Infinityscore 99
Multifamily Housing · 1,500,000 sq ft
- Lumina Ownersscore 100
Multifamily Housing · 1,400,000 sq ft
- 301 MISSION STscore 66
Mixed Residential · 1,276,915 sq ft
See also: most efficient in California · biggest emitters
How does 270 Brannan 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 11.4 kBtu/ft² is about 80% 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 0.8 kgCO₂e/ft² is about 79% below the group average of 3.6 kgCO₂e/ft².
At 182,927 sq ft, it is about 20% above the average floor area of 151,937 sq ft for those buildings. It was built in 2016, 31 years later 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 270 Brannan Street's energy performance changed over time?
BuildingCensus holds 7 California disclosures for 270 Brannan Street, covering report years 2018–2024. Its ENERGY STAR score went from 88 in 2018 to 96 in 2023 (+8 points); its best year on file was 2020, at 97. Site EUI moved from 35.5 kBtu/ft² (2018) to 11.4 kBtu/ft² (2024), a 68% decrease. Reported emissions went from 457 tCO₂e to 139 tCO₂e over the same span (down 70%).
What does a site EUI of 11.4 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. 270 Brannan Street's 11.4 kBtu/ft² across 182,927 sq ft works out to about 2.1 billion Btu (611 MWh-equivalent) in 2024. The disclosure also reports 613,179 kWh of electricity for the year.
Which law requires 270 Brannan Street to report its energy use?
270 Brannan 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:5828750:2024). 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
- Tower 591, 591 Camino De La Reina, San Diego· 182,744 sq ft · score 60 (C)
- 4353 N. 1St St.· 182,717 sq ft · score 81 (B)
- University Tower· 182,651 sq ft · score 44 (D)
- 155 W. Washington Blvd· 182,526 sq ft · score 100 (A)
- La Jolla Center I· 182,290 sq ft · score 83 (B)
- 1401 Flower· 182,117 sq ft · score 42 (D)
- 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 270 Brannan Street's energy grade?
270 Brannan Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 11.4 kBtu/ft².
How much energy does 270 Brannan Street use?
Its 2024 site energy-use intensity was 11.4 kBtu/ft² across 182,927 sq ft, including 613,179 kWh of electricity.
What are 270 Brannan Street's carbon emissions?
270 Brannan Street reported 139 tCO₂e of greenhouse-gas emissions (0.8 kgCO₂e/ft²) for 2024.
Where is 270 Brannan Street?
270 Brannan Street is at 270 Brannan Street, San Francisco, in San Francisco, California 94107. Its coordinates are 37.78277, -122.39137 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 270 Brannan Street and when was it built?
270 Brannan Street has 182,927 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2016 as its year built. It is classed as office.
Is 270 Brannan 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).
Working with California building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “270 Brannan Street, San Francisco, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/270-brannan-street-4bcb6e61 (data as of July 9, 2026).