1240-1242 4th Ave, San Francisco, CA 94122

The property at 1240-1242 4th Avenue in San Francisco's Inner Sunset neighborhood is a 2-unit, 2-story multi-family residential building constructed in 1907, currently owned by the Andree S Hest 1996 Trust. The building has undergone several significant maintenance and improvement projects over the past few decades, with the most substantial work occurring between 1998-2009.

Key structural and safety improvements include the installation of a heating system in the attic with new ductwork in 2009, a complete reroofing in 2008 (cost: $10,183), and substantial rear exterior renovations in 2006 involving the replacement of stairs and decks (cost: $14,000). In 1998, the property underwent structural modifications with the removal of a weight wall and replacement with a beam, representing a notable structural upgrade.

Recent history shows minimal building-specific issues, though there have been several parking-related incidents in the vicinity, with the most recent occurring in January 2025 (parking on sidewalk) and April 2023 (blocking driveway). A sewer issue was reported and resolved in January 2015 involving a 4-inch sewer vent, and there was one recorded incident of carbon monoxide detector activation with no actual CO detected (specific date not provided). The building's maintenance record suggests regular upkeep, with various interior and exterior improvements documented over the years, including window replacements in 2002, kitchen renovations in the late 1980s, and recent entry door replacements in 2012.