BuildingCensus
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400 Post Street

Retail Store in California, CA · 400 Post Street, San Francisco · 94102

At a glance

400 Post Street is a 61,807-square-foot retail store at 400 Post Street, San Francisco in San Francisco, California, built in 1909. In its 2023 California benchmarking disclosure it reported 271 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2023
Site EUI
—
kBtu/ft²
GHG emissions
271
tCO₂e
GHG intensity
4.4
kgCO₂e/ft²
Floor area
61,807
sq ft
Year built
1909
vintage
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85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2023

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI—
Source EUI—
GHG emissions271 tCO₂e
GHG intensity4.4 kgCO₂e/ft²
Electricity687,409 kWh
Gross floor area61,807 sq ft
Source recordcalifornia:5832232:2023

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2023latest——271 tCO₂e
2022—21.2 kBtu/ft²83 tCO₂e
20201140.9 kBtu/ft²545 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.

Program details →

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
400 Post Street, San Francisco
State
California
ZIP
94102
Coordinates
37.78844, -122.40883

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does 400 Post Street compare with other retail store buildings in California?

The latest disclosures cover 1,742 retail store buildings in California, out of 40,029 buildings citywide. Its emissions intensity of 4.4 kgCO₂e/ft² is about 33% above the group average of 3.3 kgCO₂e/ft².

At 61,807 sq ft, it is about half of the average floor area of 124,053 sq ft for those buildings. It was built in 1909, 82 years earlier than the group's average year built (1991). Across all 24 jurisdictions BuildingCensus covers, the 3,025 retail store buildings average an ENERGY STAR score of 73 and a site EUI of 57.7 kBtu/ft².

How has 400 Post Street's energy performance changed over time?

BuildingCensus holds 3 California disclosures for 400 Post Street, covering report years 2020, 2022, 2023. Site EUI moved from 140.9 kBtu/ft² (2020) to 21.2 kBtu/ft² (2022), a 85% decrease. Reported emissions went from 545 tCO₂e to 271 tCO₂e over the same span (down 50%).

Which law requires 400 Post Street to report its energy use?

400 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 2023 disclosure (source record california:5832232:2023). 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 retail store buildings in California

Frequently asked questions

What is 400 Post Street's energy grade?

400 Post Street did not report an ENERGY STAR score in its 2023 disclosure.

How much energy does 400 Post Street use?

No energy-use intensity was reported for 2023.

What are 400 Post Street's carbon emissions?

400 Post Street reported 271 tCO₂e of greenhouse-gas emissions (4.4 kgCO₂e/ft²) for 2023.

Where is 400 Post Street?

400 Post Street is at 400 Post Street, San Francisco, in San Francisco, California 94102. Its coordinates are 37.78844, -122.40883 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is 400 Post Street and when was it built?

400 Post Street has 61,807 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1909 as its year built. It is classed as retail store.

Is 400 Post Street covered by AB 802 (Public Resources Code §25402.10)?

Yes — it appears in the 2023 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, “400 Post Street, San Francisco, California — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/california/400-post-street-630d0d58 (data as of July 9, 2026).