431 20th Ave, San Francisco, CA 94121

The two-unit residential building at 431 20th Avenue in the Central Richmond neighborhood, owned by the Anita A Pini Revocable Trust, is a two-story flats and duplex structure built in 1915. The building's maintenance history shows some significant events, particularly in 2011 when the property received multiple building violations related to peeling exterior paint, which raised concerns about potential lead hazards. These violations, filed on May 17, 2011, were documented through complaint number 201134141 and were all successfully abated by August 31, 2011.

The property has undergone some infrastructure improvements, including a water service replacement completed in 2011 and the installation of a new 40-gallon gas water heater in 2018, though the permit for this work has since expired. In recent years, the building has not had any major building code violations or complaints directly related to the structure itself. However, there have been several 311 calls in the vicinity of the building between 2018 and 2024, primarily regarding sidewalk cleaning, hazardous materials, and parking issues.

The most recent service request, filed in October 2023, was a general environmental health inquiry that was transferred to the Department of Public Health. A smoke detector activation incident was recorded, but no fire or civilian injuries were reported. The property's overall record suggests that while there have been periodic maintenance issues and environmental concerns in the surrounding area, the building's major violations have been addressed and there have been no recent significant safety or habitability concerns directly related to the structure itself.