418-420 34th Ave, San Francisco, CA 94121
The two-unit residential building at 418-420 34th Avenue in San Francisco's Outer Richmond district is a two-story flats and duplex structure built in 1925, currently owned by George J & Joan W Toscanini.
The property has undergone several significant improvements over recent years, with the most substantial being a 2022 window retrofit project costing $14,500 that replaced 12 windows on the rear elevation with energy-efficient units. Other notable upgrades include a 2020 sewer replacement, a 2018 electrical upgrade to a 200-amp meter main for increased power capacity, and a complete reroofing project in 2004 costing nearly $13,000.
The building has received regular maintenance attention, including vinyl siding installation to the back walls in 1991, though there was an expired window replacement permit from 2004 for six windows that were supposed to be upgraded to paintable wood composite. The property has required several street space permits over the years (2008, 2012, 2017) and had one minor maintenance issue resolved in 2020 regarding an overgrown tree that was pruned by the Department of Public Works.
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Building Characteristics
Total units | 2 |
---|---|
Year built | 1925 |
Total area | 3200 sq ft |
Floors | 2 |
Tax Abatements | Home Owners |
Building Class | F - Flats & Duplex |

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Key Building Statistics
Included Addresses
- 420 34th Ave, San Francisco CA 94121
- 418 34th Ave, San Francisco CA 94121
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