3879-3881 18th St, San Francisco, CA 94114

The property at 3879-3881 18th Street is a two-unit, two-story multi-family residential building located in the Eureka Valley/Dolores Heights neighborhood, owned by Stephen & Dinah Tao Living Trust. Built in 1907, this flats/duplex structure has undergone several significant modifications and experienced various maintenance issues over the years.

The building's most recent major concern involved a sewage back-up discharge from the side sewer vent in November 2024, which was promptly resolved by the Public Utilities Commission. In 2014, there were safety concerns regarding an unsafe rear yard fence with a 15-foot drop that was addressed that same year. The building has a history of structural and maintenance issues, including a significant wall crack in 2008 that required reinforcement work costing $2,000 to address a violation notice, and multiple violations in 2004 relating to plumbing and electrical repairs that were resolved within a month.

The property underwent a significant conversion in 1993 to revert from 4 units back to 2 units, during which time a stove was removed and door modifications were made. More recently, there has been a pattern of garbage and debris management issues in the vicinity, with multiple Recology street cleaning calls recorded between 2024 and 2023, including reports of abandoned furniture and electronics. While the building has experienced various maintenance challenges over the years, there have been no recorded fire incidents directly affecting the structure, and no civilian injuries have been reported.