800 Market Street
Office in California, CA · 800 Market Street, San Francisco · 94103
At a glance
800 Market Street is a 53,715-square-foot office building at 800 Market Street, San Francisco in San Francisco, California, built in 1908. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 89 out of 100 (grade A), a site energy-use intensity of 28.0 kBtu/ft² and 95 tCO₂e of greenhouse-gas emissions. That score is higher than 61% of the 4,912 scored office buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 89 (band A) |
| Site EUI | 28.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 95 tCO₂e |
| GHG intensity | 1.8 kgCO₂e/ft² |
| Electricity | 272,783 kWh |
| Natural gas | 6,201 therms |
| Gross floor area | 53,715 sq ft |
| Source record | california:2815496:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 89 | +15 | 28.0 kBtu/ft² | 95 tCO₂e |
| 2022 | 74 | +30 | 39.5 kBtu/ft² | 134 tCO₂e |
| 2021 | 44 | +8 | 64.2 kBtu/ft² | 195 tCO₂e |
| 2020 | 36 | -20 | 68.4 kBtu/ft² | 221 tCO₂e |
| 2019 | 56 | +6 | 68.6 kBtu/ft² | 235 tCO₂e |
| 2018 | 50 | 62.9 kBtu/ft² | 207 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.
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Location
- Address
- 800 Market Street, San Francisco
- City
- California
- State
- California
- ZIP
- 94103
- Coordinates
- 37.78541, -122.40662
Within ~1 km
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- 555 California Streetscore 76
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See also: most efficient in California · biggest emitters
How does 800 Market Street compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. 800 Market Street's ENERGY STAR score of 89 compares with an average of 75 across the 4,912 that report a score; it scores higher than 61% of them and lower than 36%. Its site EUI of 28.0 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 53,715 sq ft, it is about 65% 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 800 Market Street's energy performance changed over time?
BuildingCensus holds 6 California disclosures for 800 Market Street, covering report years 2018, 2019, 2020, 2021, 2022, 2024. Its ENERGY STAR score went from 50 in 2018 to 89 in 2024 (+39 points). Site EUI moved from 62.9 kBtu/ft² (2018) to 28.0 kBtu/ft² (2024), a 55% decrease. Reported emissions went from 207 tCO₂e to 95 tCO₂e over the same span (down 54%).
What does an ENERGY STAR score of 89 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 89 means the building performs better than about 89% of its national peers. BuildingCensus bands the score into report-card grades; 89 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. In California, 65% of scored buildings are at 75 or above.
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. 800 Market Street's 28.0 kBtu/ft² across 53,715 sq ft works out to about 1.5 billion Btu (441 MWh-equivalent) in 2024. The disclosure also reports 272,783 kWh of electricity and 6,201 therms of natural gas for the year.
Which law requires 800 Market Street to report its energy use?
800 Market 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:2815496:2024). 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
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- Srfg 3550· 53,677 sq ft · score 54 (D)
- 430 North Mccarthy· 53,666 sq ft
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- 920 North Mccarthy· 53,666 sq ft · score 49 (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 800 Market Street's energy grade?
800 Market Street scores 89 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 800 Market Street use?
Its 2024 site energy-use intensity was 28.0 kBtu/ft² across 53,715 sq ft, including 272,783 kWh of electricity and 6,201 therms of natural gas.
What are 800 Market Street's carbon emissions?
800 Market Street reported 95 tCO₂e of greenhouse-gas emissions (1.8 kgCO₂e/ft²) for 2024.
Where is 800 Market Street?
800 Market Street is at 800 Market Street, San Francisco, in San Francisco, California 94103. Its coordinates are 37.78541, -122.40662 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 800 Market Street and when was it built?
800 Market Street has 53,715 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 800 Market 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, “800 Market Street, San Francisco, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/800-market-street-c4438893 (data as of July 9, 2026).