3374-3376 20th St, San Francisco, CA 94110
The property at 3374-3376 20th Street in San Francisco's Inner Mission neighborhood is a 3-unit, 2-story multi-family residential building constructed in 1900, currently owned by 20th Svn LLC. The building has experienced several significant maintenance and safety issues over the past two decades, with the most concerning incidents occurring in 2015-2016, including reports of inoperative electrical systems, lack of heat, broken windows, pest infestations, and unauthorized construction work on stairwells. There were also multiple violations related to fire alarm systems, including citations in 2015-2016 for maintenance and certification issues, though records indicate these conditions were eventually corrected.
In 2008, the property faced multiple building code violations related to stairs and emergency egress, which were resolved through repairs. The building underwent several construction projects in the early 2000s aimed at creating habitable space on the ground floor, with permits totaling over $57,000, though there were subsequent concerns about possibly unauthorized unit conversions. More recent history shows regular maintenance issues, particularly in late 2024, with multiple reports of garbage and debris on the property, though these were generally resolved. The fire safety systems have been a recurring concern, with multiple inspections and violations between 2007 and 2016, including a documented cooking fire incident that resulted in no injuries.
The property has experienced some structural maintenance challenges, particularly with exterior elements like stairs and utility access, though most recent building permits show compliance with necessary repairs. The building's location has seen regular municipal service interactions, including multiple 311 calls for various maintenance issues between 2023-2024, particularly for sidewalk cleaning and property maintenance concerns. While there have been several historical complaints regarding unauthorized unit conversions and safety concerns, many of these issues were addressed through permits and repairs. Recent history suggests more routine maintenance rather than significant structural or safety concerns, though the frequency of garbage and debris reports in late 2024 is notable.
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Building Characteristics
| Total units | 3 |
|---|---|
| Year built | 1900 |
| Total area | 3966 sq ft |
| Floors | 2 |
| Tax Abatements | None |
| Building Class | F - Flats & Duplex |

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Key Building Statistics
Included Addresses
- 3374 20th St, San Francisco CA 94110
- 3376 20th St, San Francisco CA 94110
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