1379-1381 43rd Ave, San Francisco, CA 94122
The property at 1379-1381 43rd Avenue in San Francisco's Outer Sunset neighborhood is a two-story, 5-unit multi-family residential building constructed in 1912. The building has experienced significant and concerning structural issues in recent years, with multiple complaints filed in 2023-2024 regarding deteriorating conditions.
Most notably, there are active concerns about falling plywood siding, water intrusion, wood rot, and possible structural instability, with some residents expressing fears of collapse during earthquakes. These complaints, filed between January 2023 and February 2024, describe the building as in "severe disrepair" with concerns about mold growth and temporary shoring supporting the structure. The building's permit history shows a pattern of incomplete work and repeated permit renewals dating back to 2002, with the most recent permit issued in April 2023 for $20,000.
Previous improvements included basement renovations (completed in 2015), electrical system upgrades (including 400-amp service installation in 2006-2008), and heating system improvements (2008). The property has also faced multiple housing code compliance issues, with violations cited in 2000 requiring correction of fire safety and building requirements, and more recent violations in 2018 regarding smoke alarms and structural maintenance. A tenant buyout occurred in 2019, resulting in the departure of two tenants and a payment of $175,000.
1379-1381 43rd Ave Report Contents
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Building Characteristics
Total units | 5 |
---|---|
Year built | 1912 |
Total area | 4087 sq ft |
Floors | 2 |
Tax Abatements | Home Owners |
Building Class | A5 - Apartment 5 to 14 Units |

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Key Building Statistics
Included Addresses
- 1381 B 43rd Ave, San Francisco CA 94122
- 1381 C 43rd Ave, San Francisco CA 94122
- 1381 43rd Ave, San Francisco CA 94122
- 1379 43rd Ave, San Francisco CA 94122
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