538-540 30th Ave, San Francisco, CA 94121
The duplex at 538-540 30th Avenue in San Francisco's Central Richmond neighborhood is a two-story multi-family residential building constructed in 1909, currently owned by Tom Hong Chen and Wendy Wu. The property underwent significant improvements in 2004, when Unit #538 completed a basement renovation that added a bedroom, family room, den, and half bath, along with window upgrades, with a project cost of $30,000.
This renovation was accompanied by electrical work that included the installation of lighting, switches, outlets, smoke alarms, and a bathroom fan on the ground floor, all of which were successfully completed. In recent years, the building and its vicinity have experienced recurring issues with driveway access, with multiple reports of vehicles blocking the driveway between 2022 and 2024. While some of these cases were resolved through citations or officer response, others resulted in officers being unable to locate the offending vehicles.
The property has also seen occasional street maintenance issues, including reports of garbage and debris, though these were typically addressed promptly. Two specific instances of street cleaning issues were recorded in 2022 and 2024, involving bent and leaning street cleaning signs. The most recent building-related incidents have been primarily related to parking enforcement, with nine such calls logged between 2022 and 2024, suggesting a persistent challenge with parking management in the immediate area.
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Building Characteristics
Total units | 2 |
---|---|
Year built | 1909 |
Total area | 3410 sq ft |
Floors | 2 |
Tax Abatements | Home Owners |
Building Class | F - Flats & Duplex |

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Included Addresses
- 538 30th Ave, San Francisco CA 94121
- 540 30th Ave, San Francisco CA 94121
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