141-143 3rd Ave, San Francisco, CA 94118

The property at 141-143 3rd Avenue is a two-unit, two-story multi-family residential building located in the Lake - Presidio neighborhood. Built in 1905 and currently owned by Mark C. and Mimi C.

Yang, this flats and duplex-style building has undergone several significant renovations and maintenance work over the years. The most recent major infrastructure work includes a house trap replacement in March 2023 and a gas line repair from the meter to the unit in September 2022. The building has a history of plumbing system maintenance, including another house trap and sewer work completed in 2009. Notable improvements to the interior have been made over the years, with major remodeling work documented in 2001-2003, including kitchen and bathroom renovations, cabinet replacements, and electrical upgrades.

The building's structural integrity was addressed in 1994 with a voluntary lateral force upgrade that included the addition of a shear wall. There have been two documented complaints regarding inadequate heat and hot water, one in 1998 and another more recently in October 2022, though these complaints were not listed as active following their filing. The property has experienced recurring issues with blocked driveways, with multiple parking enforcement calls recorded between 2021 and 2023, and there is currently an open case regarding tree roots lifting the sidewalk from October 2021. Historical records show earlier improvements including backyard repaving work in 1988, indicating ongoing maintenance and upgrades to the property over time.