BuildingCensus
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505 Brannan Street

Office in California, CA · 505 Brannan Street, San Francisco · 94107

At a glance

505 Brannan Street is a 158,843-square-foot office building at 505 Brannan Street, San Francisco in San Francisco, California, built in 2017. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 28.5 kBtu/ft² and 289 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2024
Site EUI
28.5
kBtu/ft²
GHG emissions
289
tCO₂e
GHG intensity
1.8
kgCO₂e/ft²
Floor area
158,843
sq ft
Year built
2017
vintage
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85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI28.5 kBtu/ft²
Source EUI—
GHG emissions289 tCO₂e
GHG intensity1.8 kgCO₂e/ft²
Electricity1,024,003 kWh
Natural gas10,826 therms
Gross floor area158,843 sq ft
Source recordcalifornia:6400759:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest—28.5 kBtu/ft²289 tCO₂e
2023—28.6 kBtu/ft²307 tCO₂e
202288±035.9 kBtu/ft²381 tCO₂e
202188±034.3 kBtu/ft²323 tCO₂e
202088+137.2 kBtu/ft²372 tCO₂e
201987±051.0 kBtu/ft²556 tCO₂e
20188753.5 kBtu/ft²558 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.

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Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
505 Brannan Street, San Francisco
State
California
ZIP
94107
Coordinates
37.77776, -122.39691

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does 505 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 28.5 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 1.8 kgCO₂e/ft² is about half of the group average of 3.6 kgCO₂e/ft².

At 158,843 sq ft, it is roughly in line with the average floor area of 151,937 sq ft for those buildings. It was built in 2017, 32 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 505 Brannan Street's energy performance changed over time?

BuildingCensus holds 7 California disclosures for 505 Brannan Street, covering report years 2018–2024. Its ENERGY STAR score went from 87 in 2018 to 88 in 2022 (+1 points); its best year on file was 2020, at 88. Site EUI moved from 53.5 kBtu/ft² (2018) to 28.5 kBtu/ft² (2024), a 47% decrease. Reported emissions went from 558 tCO₂e to 289 tCO₂e over the same span (down 48%).

What does a site EUI of 28.5 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. 505 Brannan Street's 28.5 kBtu/ft² across 158,843 sq ft works out to about 4.5 billion Btu (1,327 MWh-equivalent) in 2024. The disclosure also reports 1,024,003 kWh of electricity and 10,826 therms of natural gas for the year.

Which law requires 505 Brannan Street to report its energy use?

505 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:6400759:2024). 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

Frequently asked questions

What is 505 Brannan Street's energy grade?

505 Brannan Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 28.5 kBtu/ft².

How much energy does 505 Brannan Street use?

Its 2024 site energy-use intensity was 28.5 kBtu/ft² across 158,843 sq ft, including 1,024,003 kWh of electricity and 10,826 therms of natural gas.

What are 505 Brannan Street's carbon emissions?

505 Brannan Street reported 289 tCO₂e of greenhouse-gas emissions (1.8 kgCO₂e/ft²) for 2024.

Where is 505 Brannan Street?

505 Brannan Street is at 505 Brannan Street, San Francisco, in San Francisco, California 94107. Its coordinates are 37.77776, -122.39691 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is 505 Brannan Street and when was it built?

505 Brannan Street has 158,843 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2017 as its year built. It is classed as office.

Is 505 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).

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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, “505 Brannan Street, San Francisco, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/505-brannan-street-18a20001 (data as of July 9, 2026).