250 12th Ave, San Francisco, CA 94118

The 250 12th Avenue property is a two-story, three-unit multi-family residential building located in San Francisco's Inner Richmond neighborhood. Built in 1906 and owned by Simon & Susan Ma Wong Revoc, the building has undergone significant maintenance and improvements over the past two decades. Recent major works include a complete rewire of unit #3 (2017), replacement of the gas furnace in unit #3 (2017), and house trap replacement (2021).

The building has received substantial upgrades to its infrastructure, including a new flat roof installation (2010), replacement of 14 windows and 2 patio doors (2010), and multiple siding repairs. In 2017, the property underwent an annual routine inspection that resulted in several safety-related violations related to smoke detection and fire safety equipment, including the need for carbon monoxide detectors and proper maintenance of fire extinguishers. These violations were abated by November 2017. A complaint was filed in June 2017 regarding work being performed beyond the scope of permit, though this was quickly resolved.

The building has experienced recurring issues with tree roots affecting the property, particularly regarding sewer infrastructure, with multiple reports between 2018-2021. Other maintenance records show regular upkeep, including street and sidewalk maintenance and various plumbing and electrical upgrades. The property had a fire alarm system inspection in 2011 that was resolved promptly. Recent 311 calls primarily relate to tree maintenance and general public works issues, with the most recent being related to illegal parking (2024).