1890 Jefferson St, San Francisco, CA 94123

The 9-unit multi-family residential building at 1890 Jefferson St in the Marina district, owned by the Yuen & Chan Family 2007 Trust, has undergone significant improvements since its 1934 construction. The building has received substantial renovations over the years, including comprehensive kitchen and bathroom remodels in multiple units (101, 102, 201, 202, 203, 302, and 303) between 2006-2007, the addition of a second bathroom in Unit 302 in 2018, and a complete fire alarm system upgrade in 2020 costing $39,100. Recent mechanical improvements include the replacement of the domestic boiler in 2021 and the installation of low-frequency sounders in all sleeping areas to meet fire code requirements. The building has experienced several fire alarm system issues, with violations noted in June 2024 and November 2021, though both were subsequently addressed.

A centralized alarm systems inspection in 2005 revealed several fire safety concerns, including issues with fire escape drop ladders and egress obstructions, which were abated by August 2005. The property's maintenance history shows attention to critical systems, including multiple boiler replacements (2009, 2021) and roofing work (1998). Three routine housing inspections in 2000, 2005, and 2011 were conducted, with all violations addressed. The building has experienced occasional fire alarm system malfunctions and false alarms, with no civilian injuries reported in any incidents.

Recent infrastructure challenges include a sewage backup in December 2023 and a damaged side sewer vent cover in October 2022, both of which were resolved. The property has also faced several parking-related issues, with multiple complaints about blocked driveways between 2020-2021. While the building has had its share of maintenance and compliance issues over the years, most have been promptly addressed, with recent fire safety violations being the most significant ongoing concern. The most recent building improvement was a June 2024 violation related to alarm system maintenance, though this may have been resolved based on subsequent fire department inspections.