191-193 23rd Ave, San Francisco, CA 94121

The property at 191-193 23rd Avenue, located in the Lake The Presidio neighborhood, is a two-unit multi-family residential building constructed in 1908, featuring ground-floor commercial space, and owned by Pak Ping & Tsui Chun Yeung. The building has undergone several significant modifications over its history, with the most substantial work occurring in 2000, when a $220,000 alteration added a unit and off-street parking with a garage. Other notable improvements include a completed reroofing project in 2008 ($3,500), installation of a new trellis in 2001 ($3,500), and an extensive renovation of a dental office with ADA-compliant restroom facilities in 2001 ($50,000).

The building experienced ventilation-related issues in 2002-2003, resulting in several notices of violation that were ultimately resolved through the proper installation of exhaust fans. Recent maintenance and environmental concerns have emerged in 2023-2024, including issues with tree roots lifting sidewalks, damaged property claims regarding trees, and multiple reports of illegal parking in the vicinity. There have also been several municipal service calls regarding street maintenance, signage, and environmental services, though most of these cases have been resolved.

Historical complaints from 2001-2002 noted unauthorized use of a rear structure for plumbing supply storage and ventilation deficiencies. The property has been actively maintained over the years, with all major violations being addressed through proper permits and corrections. The most recent building permit from 2014 was issued for street space improvements at minimal cost.