1475-1477 20th Ave, San Francisco, CA 94122

The two-unit residential building at 1475-1477 20th Avenue in the Central Sunset neighborhood, owned by Chung Kin G & Ruby Trustees, has undergone several significant improvements since its construction in 1944. Most notably in 2012, the building received substantial upgrades including the installation of two new furnaces, a 200-amp electrical service upgrade with two meters, and the correction of an illegal electrical wiring issue that involved a water fountain and stairway lighting.

The property has maintained its infrastructure with proper attention to maintenance issues, including the replacement of a rotted rear stairway in 2001, though some older permits for reroofing from 1997 and a 1984 permit have expired. The building has experienced a notable number of parking-related incidents in recent years, with multiple 311 calls regarding blocked driveways between 2023 and 2024.

The records show at least eight instances of vehicles blocking the driveway, with various outcomes including citations being issued and some vehicles being towed. While these parking issues are a recurring problem, they occur outside the building's immediate structure and systems. The property has no recorded building code violations or serious safety concerns in recent years, with only one minor fire-related issue in 2012 involving combustible materials, which was promptly corrected on the same day it was reported.