500 Oak St, San Francisco, CA 94102

500 Oak Street is a three-story, 27-unit multi-family residential building constructed in 1922, currently owned by 500 Oak Street LLC. The property has faced several significant maintenance and safety issues in recent years, with the most concerning being structural and pest problems reported in July 2024, including a deteriorating retaining wall at the northeast corner and vermin infestation in rear stairwells.

Earlier issues include water intrusion and structural concerns reported by residents in 2020-2022, and multiple rodent infestations recorded between 2018-2024. The building's fire safety systems have required ongoing attention, with violations noted in 2024 for blocked exits, extinguishers, and alarm systems, following similar issues in 2021-2022 that were marked as corrected. The property has undergone various maintenance and improvement projects over the years, including a new fire alarm system installation in 2002, foundation work in 2000, and water heater upgrades in 2015.

More recent building permits show some attention to basic maintenance, though the frequency of 311 calls regarding garbage and debris in the vicinity has increased, with multiple reports between October 2024 and December 2024. Historical records from 2006 show a pattern of building violations related to fire safety systems and general maintenance, though most of these were eventually abated. The building's permit history shows completion of several major works, including reroofing in 1997 and concrete foundation work in 2000, suggesting previous efforts to maintain the building's structural integrity.