6631 California St, San Francisco, CA 94121

The two-unit residential building at 6631 California Street, situated in San Francisco's Central Richmond neighborhood, is a two-story flats and duplex structure built in 1907, currently owned by Tom Donald K & Von Wah Tan. The building has undergone several significant maintenance and compliance updates over the past few years, including a substantial $23,700 reroofing project completed in 2019, and a water line replacement initiative initiated in January 2021, though this permit has since expired. Historic permit records show a street space-related permit from 2011 and another permit from 1982, with the specific details of the 1982 permit remaining unknown.

The property has experienced recurring issues with street cleanliness and parking violations in the surrounding area, particularly in recent years. There have been multiple reports of loose garbage on the streets and sidewalks in 2018, 2019, and 2022, all of which were resolved by the Department of Public Works. There were also several noise complaints during 2020, though these cases were either transferred or deemed invalid.

Parking-related incidents have occurred most recently in January 2025, when a vehicle was issued a citation for blocking a driveway, continuing a pattern of parking enforcement needs in the vicinity, with similar issues recorded in 2020 and 2019. The building's maintenance history shows regular attention to major systems, particularly with the roof replacement in 2019 and the attempted water line upgrade in 2021. The structure appears to be maintained with respect to major building systems, though the expired water line permit suggests this project was either completed without proper follow-up or was not finished as intended. The general pattern of 311 calls indicates an ongoing urban maintenance context rather than building-specific issues, with most complaints relating to public space management rather than building conditions themselves.