1242 Market Street
Commercial in San Francisco, CA · 1240 MARKET ST · 94102
At a glance
1242 Market Street is a 11,690-square-foot commercial building at 1240 MARKET ST in San Francisco, California, built in 1908. In its 2025 San Francisco benchmarking disclosure it reported a site energy-use intensity of 12.1 kBtu/ft² and 8 tCO₂e of greenhouse-gas emissions.
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 12.1 kBtu/ft² |
| Source EUI | 33.9 kBtu/ft² |
| GHG emissions | 8 tCO₂e |
| GHG intensity | 0.7 kgCO₂e/ft² |
| Electricity | 41,506 kWh |
| Natural gas | 0 therms |
| Gross floor area | 11,690 sq ft |
| Source record | sf:0355/006:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 12.1 kBtu/ft² | 8 tCO₂e | |
| 2024 | — | 6.6 kBtu/ft² | 4 tCO₂e | |
| 2023 | — | 10.0 kBtu/ft² | 8 tCO₂e | |
| 2022 | — | 10.9 kBtu/ft² | 9 tCO₂e | |
| 2021 | — | 10.8 kBtu/ft² | 8 tCO₂e | |
| 2020 | — | 15.1 kBtu/ft² | 11 tCO₂e | |
| 2019 | 91 | +5 | 23.5 kBtu/ft² | 18 tCO₂e |
| 2018 | 86 | -3 | 32.5 kBtu/ft² | 23 tCO₂e |
| 2017 | 89 | ±0 | 30.4 kBtu/ft² | 23 tCO₂e |
| 2016 | 89 | +1 | 31.0 kBtu/ft² | 26 tCO₂e |
| 2015 | 88 | +1 | 30.5 kBtu/ft² | 26 tCO₂e |
| 2014 | 87 | ±0 | 30.2 kBtu/ft² | 26 tCO₂e |
| 2013 | 87 | 36.1 kBtu/ft² | 30 tCO₂e | |
| 2012 | — | — | — | |
| 2011 | — | — | — |
Compliance context
SF Environment Code Chapter 20
San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
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
- 1240 MARKET ST
- City
- San Francisco
- State
- California
- ZIP
- 94102
- Coordinates
- 37.77838, -122.41572
Within ~1 km
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See also: most efficient in San Francisco · biggest emitters
How does 1242 Market Street compare with other commercial buildings in San Francisco?
The latest disclosures cover 1,683 commercial buildings in San Francisco, out of 2,509 buildings citywide. Its site EUI of 12.1 kBtu/ft² is about 75% below the average of 49.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.7 kgCO₂e/ft² is about 74% below the group average of 2.7 kgCO₂e/ft².
At 11,690 sq ft, it is about 89% below the average floor area of 107,408 sq ft for those buildings. It was built in 1908, 33 years earlier than the group's average year built (1941). Across all 24 jurisdictions BuildingCensus covers, the 2,307 commercial buildings average an ENERGY STAR score of 76 and a site EUI of 51.3 kBtu/ft².
How has 1242 Market Street's energy performance changed over time?
BuildingCensus holds 15 San Francisco disclosures for 1242 Market Street, covering report years 2011–2025. Its ENERGY STAR score went from 87 in 2013 to 91 in 2019 (+4 points). Site EUI moved from 36.1 kBtu/ft² (2013) to 12.1 kBtu/ft² (2025), a 66% decrease. Reported emissions went from 30 tCO₂e to 8 tCO₂e over the same span (down 73%).
What does a site EUI of 12.1 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. 1242 Market Street's 12.1 kBtu/ft² across 11,690 sq ft works out to about 0.1 billion Btu (41 MWh-equivalent) in 2025. Its source EUI of 33.9 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 41,506 kWh of electricity and 0 therms of natural gas for the year.
Which law requires 1242 Market Street to report its energy use?
1242 Market Street reports under SF Environment Code Chapter 20, the legal basis of San Francisco's Existing Buildings Energy Performance Ordinance, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record sf:0355/006:2025). San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
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Frequently asked questions
What is 1242 Market Street's energy grade?
1242 Market Street did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 12.1 kBtu/ft².
How much energy does 1242 Market Street use?
Its 2025 site energy-use intensity was 12.1 kBtu/ft² (33.9 kBtu/ft² source) across 11,690 sq ft, including 41,506 kWh of electricity and 0 therms of natural gas.
What are 1242 Market Street's carbon emissions?
1242 Market Street reported 8 tCO₂e of greenhouse-gas emissions (0.7 kgCO₂e/ft²) for 2025.
Where is 1242 Market Street?
1242 Market Street is at 1240 MARKET ST, in San Francisco, California 94102. Its coordinates are 37.77838, -122.41572 (latitude, longitude), as published in the Existing Buildings Energy Performance Ordinance file.
How big is 1242 Market Street and when was it built?
1242 Market Street has 11,690 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1908 as its year built. It is classed as commercial.
Is 1242 Market Street covered by SF Environment Code Chapter 20?
Yes — it appears in the 2025 Existing Buildings Energy Performance Ordinance disclosure, which lists the buildings reporting under SF Environment Code Chapter 20.
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About this data
Source: Existing Buildings Energy Performance Ordinance (SF Environment Code Chapter 20), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “1242 Market Street, San Francisco, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/san-francisco/1242-market-street-075276de (data as of October 2, 2026).