1350-1352 20th Ave, San Francisco, CA 94122
The three-unit residential building at 1350-1352 20th Avenue, located in the Central Sunset neighborhood, is a two-story flats and duplex structure built in 1912, currently owned by Anthony Simpson and Pame Chan. The building has undergone significant recent improvements, with substantial renovations completed in 2022 including kitchen and bathroom remodels in both units (valued at $70,000 each), with corresponding plumbing and electrical work completed in October 2022. Prior maintenance records show a completed re-roofing project in 2016 costing $22,500.
Historical issues worth noting include two plumbing complaints from 1997 regarding sewage leaks and broken pipes, though these were both resolved within a few months. Earlier structural concerns were documented in 2001 regarding deck repairs and window replacement, and in 1985 involving stair repairs, but these permits have since expired. More recently, the property has experienced various neighborhood maintenance issues typical of urban settings, as evidenced by 311 calls between 2018 and 2025.
These include multiple reports of sidewalk parking violations (most recently in January 2025), street cleaning matters such as debris (November 2024) and hazardous materials (October 2021), and various other municipal service requests for parking enforcement and sidewalk maintenance. While these external issues do not directly impact the building's condition, they provide context on the property's immediate surroundings and ongoing neighborhood concerns. The building's permit history suggests regular maintenance and updating of key systems, with no current active building code violations or safety concerns on record.
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Building Characteristics
Total units | 2 |
---|---|
Year built | 1912 |
Total area | 1385 sq ft |
Floors | 2 |
Tax Abatements | None |
Building Class | F - Flats & Duplex |

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Key Building Statistics
Included Addresses
- 1350 20th Ave, San Francisco CA 94122
- 1352 20th Ave, San Francisco CA 94122
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