989-991 Duncan St, San Francisco, CA 94131
The property at 989 Duncan Street is a two-unit, two-story multi-family residential building located in San Francisco's Diamond Heights neighborhood. Built in 1962 and currently owned by the Harry & Nancy Yee Family Trust, the building has undergone significant improvements in 2024, including comprehensive renovations to both units.
These improvements encompass kitchen remodels, bathroom renovations, and electrical rewiring work completed in early 2024, with a total project cost of approximately $275,000. The property is also receiving structural and aesthetic upgrades, including reroofing work (completed August 2024 at a cost of $12,800), repair of rear decks, replacement of exterior siding, and installation of new windows and sliding doors, with these permit costs totaling $50,000. Recent maintenance issues have primarily centered around tree-related concerns, with multiple 311 calls regarding lifted sidewalks due to tree roots and overgrown trees, most of which remain open as of late 2024.
The building's immediate vicinity has experienced several environmental maintenance challenges over the past year, including instances of graffiti (which has been addressed), a fallen tree incident in August 2023, and various park structural maintenance requests. While these external issues do not directly impact the building's interior conditions, they represent ongoing environmental considerations for the property. The extensive renovation work completed and in progress throughout 2024 suggests proactive property management, particularly focusing on modernizing both units' facilities while addressing various structural elements of the building.
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Building Characteristics
Total units | 2 |
---|---|
Year built | 1962 |
Total area | 2680 sq ft |
Floors | 2 |
Tax Abatements | Home Owners |
Building Class | F - Flats & Duplex |

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- 991 Duncan St, San Francisco CA 94131
- 989 Duncan St, San Francisco CA 94131
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