542-544 20th Ave, San Francisco, CA 94121

The Wong Revocable Living Trust owns this two-unit, two-story multi-family residential building located at 542-544 20th Avenue in San Francisco's Central Richmond neighborhood. Built in 1923, this flats and duplex-style property has undergone significant renovations in recent years, with major improvements documented through multiple building permits between 2011 and 2013.

These renovations included comprehensive kitchen and bathroom remodels on both floors, creation of new bathrooms and playroom facilities, and extensive electrical and plumbing upgrades such as the installation of new water lines, laundry rooms, and underground piping. The building's infrastructure improvements continued with a reroofing project completed in 2000. The property has experienced some external maintenance issues in recent years, with an open case from December 2021 regarding tree roots damaging the sidewalk, and several parking-related incidents including driveway blocking and sidewalk parking violations in 2019 and 2024.

The 311 call log shows historical minor issues such as graffiti on a pole in 2011, though these appear to be isolated incidents. Two expired permits from 2001 for sidewalk work are on record, though their status suggests this work may have been completed without renewal. Overall, the building has been well-maintained through substantial recent renovations, with the majority of building permits marked as complete and focused on modernizing and improving the property's amenities and infrastructure.