423-425 Frederick St, San Francisco, CA 94117

The property at 423-425 Frederick Street is a two-unit multi-family residential building located in the Parnassus/Ashbury Heights neighborhood. Built in 1910 and classified as a flats and duplex structure, this two-story building is currently owned by Thomas Gim Chin and Lena Q. The building has undergone several significant maintenance and improvement projects over the years, including a reroofing project in 2006 costing $11,950, the installation of 38 replacement windows in 1996, and vinyl siding work in 1989.

The most recent major mechanical upgrade was the replacement of an 80% efficiency furnace in the garage in 2019. A street space permit was also issued in 2009. The property has experienced typical urban maintenance issues over the past several years, with multiple reports of abandoned Christmas trees requiring Recology pickup services in 2022-2023, and some recent graffiti incidents in 2023.

There are currently three open cases from 2024, including a moving residential property sign application, a tree maintenance issue, and a public works service request. The building has one documented fire incident involving a dumpster or outdoor trash receptacle, though no civilian injuries were reported. The property's maintenance history suggests regular upkeep, with no recent major structural or safety concerns reported.