Mason O'Farrell Garage
Parking in California, CA · 301 Mason Street, San Francisco · 94102
At a glance
Mason O'Farrell Garage is a 12,555-square-foot parking building at 301 Mason Street, San Francisco in San Francisco, California, built in 1954. In its 2023 California benchmarking disclosure it reported 268 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | 268 tCO₂e |
| GHG intensity | 21.3 kgCO₂e/ft² |
| Electricity | 1,107,092 kWh |
| Gross floor area | 12,555 sq ft |
| Source record | california:2862475:2023 |
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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 301 Mason Street, San Francisco
- City
- California
- State
- California
- ZIP
- 94102
- Coordinates
- 37.78636, -122.41043
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Mason O'Farrell Garage compare with other parking buildings in California?
The latest disclosures cover 440 parking buildings in California, out of 40,029 buildings citywide. Its emissions intensity of 21.3 kgCO₂e/ft² is about 914% above the group average of 2.1 kgCO₂e/ft².
At 12,555 sq ft, it is about 95% below the average floor area of 238,274 sq ft for those buildings. It was built in 1954, 35 years earlier than the group's average year built (1990). Across all 24 jurisdictions BuildingCensus covers, the 1,071 parking buildings average an ENERGY STAR score of 67 and a site EUI of 40.3 kBtu/ft².
Which law requires Mason O'Farrell Garage to report its energy use?
Mason O'Farrell Garage 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:2862475:2023). 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 parking buildings in California
- 12150 Millennium - Parking & Common Area· 11,400 sq ft · EUI 127.8 kBtu/ft²
- Lemon Grove Parking Structure· 10,493 sq ft · EUI 108.4 kBtu/ft²
- 076 Archives Parking Site - Fleet Lot 55· 3,900 sq ft · EUI 275.3 kBtu/ft²
- Congress Medical Garage Retail· 2,946 sq ft · EUI 149.5 kBtu/ft²
- Ucm/Erp-Chamber Building, Llc (Parking Garage)· 2,806 sq ft · EUI 105.5 kBtu/ft²
- 074 Sacramento State Garage Fleet Lot 2· 1,000 sq ft · EUI 1011.3 kBtu/ft²
- Parking buildings in California· 440 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 Mason O'Farrell Garage's energy grade?
Mason O'Farrell Garage did not report an ENERGY STAR score in its 2023 disclosure.
How much energy does Mason O'Farrell Garage use?
No energy-use intensity was reported for 2023.
What are Mason O'Farrell Garage's carbon emissions?
Mason O'Farrell Garage reported 268 tCO₂e of greenhouse-gas emissions (21.3 kgCO₂e/ft²) for 2023.
Where is Mason O'Farrell Garage?
Mason O'Farrell Garage is at 301 Mason Street, San Francisco, in San Francisco, California 94102. Its coordinates are 37.78636, -122.41043 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Mason O'Farrell Garage and when was it built?
Mason O'Farrell Garage has 12,555 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1954 as its year built. It is classed as parking.
Is Mason O'Farrell Garage 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, “Mason O'Farrell Garage, San Francisco, California — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/california/mason-o-farrell-garage-c8157d34 (data as of July 9, 2026).