4018-4020 Mission St, San Francisco, CA 94112
The two-unit residential building at 4018-4020 Mission Street in Bernal Heights, owned by Sylvia Lew, has a documented history of significant events, most notably a serious fire incident in July 2011 that resulted in substantial damage throughout the structure. The fire caused damage to structural elements including floor/ceiling assemblies, windows, and electrical systems, with the building's meters reportedly melting in the incident.
The property underwent extensive repairs and renovations following the fire, with permits issued totaling approximately $150,000 for interior reconstruction, window replacement, and floor repairs, along with the addition of a half bathroom and an extra bedroom on the second and third floors. The rehabilitation process included complete electrical system replacement, installation of new furnaces and flues, and comprehensive plumbing updates, with the work being completed by early 2012.
Since the fire restoration, the building's record shows no major structural or safety violations, though there have been occasional maintenance issues noted through 311 calls, primarily related to street conditions and parking enforcement in the immediate vicinity. Recent activity around the property (from 2018 to 2024) has mostly consisted of routine municipal services and parking enforcement matters, with the most recent incident being a parking enforcement call in May 2024. The building appears to have been properly maintained with no recurring issues, though there have been multiple instances of parking violations documented near the property, including three separate cases of driveway blocking between 2021 and 2024, with at least one resulting in a citation.
4018-4020 Mission St Report Contents
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Building Characteristics
Total units | 2 |
---|---|
Year built | 1949 |
Total area | 2162 sq ft |
Floors | 2 |
Tax Abatements | None |
Building Class | F - Flats & Duplex |

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Key Building Statistics
Included Addresses
- 4020 Mission St, San Francisco CA 94112
- 4018 Mission St, San Francisco CA 94112
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