3549-3551 Pierce St, San Francisco, CA 94123
The three-unit multi-family residential building at 3549-3551 Pierce Street in the Marina neighborhood is a two-story flats and duplex structure built in 1925, currently owned by Tiffany Pisoni. The property has undergone several significant improvements over the past two decades, with the most substantial being a fourth-floor addition completed in 2015 at a cost of $244,888, which included new stucco exterior, matching roof, automatic sprinklers throughout, and bathroom additions. This major modification was followed by comprehensive plumbing and electrical work in 2017, including ground floor kitchen and bath remodeling and the addition of two full baths.
The building's maintenance history shows consistent attention to structural elements, particularly regarding stairs, with repairs and replacements documented in 1995 and 2006. Recent records indicate some concerning patterns, particularly regarding sewer issues, with documented backups in 2022 and 2021 through the 4-inch sewer vent system. Building inspections in 2020 and 2021 resulted in findings related to failure to protect, though specific details were not disclosed in the records.
There was one environmental health complaint transferred to DBI Building Inspection in November 2019, and multiple building inspection requests were made, suggesting periodic monitoring of building conditions. More recent incidents include a closed case in September 2023 regarding an abandoned vehicle, which was resolved with a citation. The property underwent significant infrastructure improvements in 2017, including both plumbing and electrical upgrades, suggesting recent investment in the building's core systems.
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Building Characteristics
Total units | 3 |
---|---|
Year built | 1925 |
Total area | 3813 sq ft |
Floors | 4 |
Tax Abatements | Home Owners |
Building Class | F - Flats & Duplex |

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Key Building Statistics
Included Addresses
- 3551 Pierce St, San Francisco CA 94123
- 3549 Pierce St, San Francisco CA 94123
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