590-596 20th Ave, San Francisco, CA 94121

This two-story, 4-unit multi-family residential building located in the Central Richmond neighborhood at 590-596 20th Ave was built in 1920 and is currently owned by Phang Shew Jin & Peng Zhen. The building underwent significant renovation work in 2009, including major improvements such as reroofing (completed at a cost of $20,000), seismic strengthening, kitchen and bathroom remodeling in all four units, and the addition of new bathrooms in each unit. During this period, the building received new furnaces, electrical upgrades including new lighting, switches, receptacles, fans, and appliances, though some permits were either cancelled or expired during this process.

Multiple construction-related complaints were filed in 2009 regarding work beyond permitted scope, noise disturbances, and improper debris disposal, though these violations were subsequently addressed. The property has a history of routine inspections and several notable complaints between 2003 and 2014, including issues with stairs, wiring, combustible storage, fire safety equipment, and guardrails, all of which were abated. In 2011, there was a complaint about unauthorized construction business operations using heavy machinery in the garage/basement area, which was quickly addressed.

Recent maintenance issues have been primarily related to exterior and common area upkeep, as evidenced by multiple 311 calls in 2023-2024 regarding sidewalk cleaning, graffiti, and waste removal. A planning record from 2023 indicates unauthorized use of two garages for a construction business, though this appears to have been resolved. The building's maintenance record shows periodic attention to structural and safety concerns, with most violations being addressed within reasonable timeframes.