334-336 18th Ave, San Francisco, CA 94121
The two-unit residential building at 334-336 18th Avenue in the Central Richmond neighborhood, owned by Yu York Yung & Wai Ying, is a two-story flats and duplex structure built in 1916. The property has undergone several noteworthy improvements over the past few decades, including a complete reroofing project in 2004 costing $3,624, and kitchen cabinet renovations with gypsum board work in 1994.
A significant issue arose in November 2021 regarding an unauthorized modification to the property's curb cut, which reportedly exceeded 10 feet and impacted parking space clearance between the two units. This modification allegedly created confusion about parking regulations, though this complaint was marked as not active within one day of filing. Of particular concern is the recurring issue of driveway blocking at this property, with 12 documented incidents between December 2022 and August 2024.
Seven of these cases resulted in citations being issued, while others were marked as "unable to locate" or "could not be validated" by responding parking enforcement officers. The frequency of these parking-related incidents suggests an ongoing challenge with access to the property's driveway, particularly in light of the previously mentioned curb cut modification. The building's permit and complaint history reveals relatively minor maintenance work and no major structural issues, though the parking situation appears to be a significant and persistent challenge for residents.
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Building Characteristics
| Total units | 2 |
|---|---|
| Year built | 1916 |
| Total area | 2580 sq ft |
| Floors | 2 |
| Tax Abatements | Home Owners |
| Building Class | F - Flats & Duplex |

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Included Addresses
- 334 18th Ave, San Francisco CA 94121
- 336 18th Ave, San Francisco CA 94121
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