15-17 Jansen St, San Francisco, CA 94133

The two-unit residential building at 15-17 Jansen Street in Russian Hill, owned by the Ng Family Revocable Trust, is a two-story flats and duplex structure built in 1926. The property has undergone several significant improvements in recent years, including a complete window replacement project in 2013 costing over $20,000, where 28 windows were installed with 12 being Anderson wood windows visible from the street, along with a reroofing project in 2015 costing $6,500.

The building's maintenance history shows attention to safety features, with smoke detectors and door locks installed in 1988. The building has experienced some structural maintenance issues in the past, with multiple violations documented between 2003 and 2006 requiring repairs to stairs and a roof deck, though all these violations were ultimately abated.

The property underwent routine housing inspections in 2002, 2003, 2004, and 2006, suggesting regular monitoring by housing authorities. Recent history shows minimal internal building issues, with only parking-related complaints recorded in the vicinity between 2010 and 2021, including multiple complaints about driveway blocking and two reports of abandoned vehicles, though these were not directly related to building conditions. The most recent building permit on record is from 2018 for street space usage, indicating ongoing compliance with local regulations.