BuildingCensus
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150 Post Street

Office in California, CA · 150 Post Street, San Francisco · 94108

At a glance

150 Post Street is a 117,435-square-foot office building at 150 Post Street, San Francisco in San Francisco, California, built in 1908. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 41.1 kBtu/ft² and 293 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2024
Site EUI
41.1
kBtu/ft²
GHG emissions
293
tCO₂e
GHG intensity
2.5
kgCO₂e/ft²
Floor area
117,435
sq ft
Year built
1908
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 EUI41.1 kBtu/ft²
Source EUI—
GHG emissions293 tCO₂e
GHG intensity2.5 kgCO₂e/ft²
Electricity802,163 kWh
Natural gas20,888 therms
Gross floor area117,435 sq ft
Source recordcalifornia:4484172:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest—41.1 kBtu/ft²293 tCO₂e
202369-4—374 tCO₂e
20227348.1 kBtu/ft²347 tCO₂e
2021—48.4 kBtu/ft²325 tCO₂e
202083+2745.1 kBtu/ft²314 tCO₂e
20195665.0 kBtu/ft²473 tCO₂e
2018———

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.

Program details →

Ownership

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

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Location

Address
150 Post Street, San Francisco
State
California
ZIP
94108
Coordinates
37.78911, -122.40465

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does 150 Post 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 41.1 kBtu/ft² is about 27% 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 2.5 kgCO₂e/ft² is about 31% below the group average of 3.6 kgCO₂e/ft².

At 117,435 sq ft, it is about 23% below the average floor area of 151,937 sq ft for those buildings. It was built in 1908, 77 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 150 Post Street's energy performance changed over time?

BuildingCensus holds 7 California disclosures for 150 Post Street, covering report years 2018–2024. Its ENERGY STAR score went from 56 in 2019 to 69 in 2023 (+13 points); its best year on file was 2020, at 83. Site EUI moved from 65.0 kBtu/ft² (2019) to 41.1 kBtu/ft² (2024), a 37% decrease. Reported emissions went from 473 tCO₂e to 293 tCO₂e over the same span (down 38%).

What does a site EUI of 41.1 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. 150 Post Street's 41.1 kBtu/ft² across 117,435 sq ft works out to about 4.8 billion Btu (1,415 MWh-equivalent) in 2024. The disclosure also reports 802,163 kWh of electricity and 20,888 therms of natural gas for the year.

Which law requires 150 Post Street to report its energy use?

150 Post 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:4484172:2024). 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 150 Post Street's energy grade?

150 Post Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 41.1 kBtu/ft².

How much energy does 150 Post Street use?

Its 2024 site energy-use intensity was 41.1 kBtu/ft² across 117,435 sq ft, including 802,163 kWh of electricity and 20,888 therms of natural gas.

What are 150 Post Street's carbon emissions?

150 Post Street reported 293 tCO₂e of greenhouse-gas emissions (2.5 kgCO₂e/ft²) for 2024.

Where is 150 Post Street?

150 Post Street is at 150 Post Street, San Francisco, in San Francisco, California 94108. Its coordinates are 37.78911, -122.40465 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is 150 Post Street and when was it built?

150 Post Street has 117,435 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1908 as its year built. It is classed as office.

Is 150 Post 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, “150 Post Street, San Francisco, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/150-post-street-c2dd64fa (data as of July 9, 2026).