658-660 37th Ave, San Francisco, CA 94121

The property at 658-660 37th Avenue in San Francisco's Outer Richmond neighborhood is a two-story, two-unit multi-family residential building constructed in 1947. The building has undergone several significant improvements to its windows over the years, with the most recent major window upgrade occurring in 2015 when four front aluminum windows were replaced with fiberglass wood-clad sliders, including ten additional windows with vinyl frames not visible from the street, at a total cost of $12,001.

The building has also received essential maintenance work, including roofing improvements in 1998, fiberglass window installations in 1988, and a plumbing upgrade in 2020 involving the installation of new water service. The property experienced a cluster of serious maintenance issues in 2006-2007, when multiple violations were identified and subsequently resolved, including problems with heating, plumbing (sink repairs), window repairs, and rear yard sanitation.

These violations were all abated by January 20, 2007. The building's maintenance record shows proactive upgrading of building systems, particularly the windows, which have been replaced or upgraded multiple times over the decades. Recent minor issues were reported through 311 calls, primarily related to parking enforcement matters, particularly concerning driveway blocking incidents between 2022 and 2025, as well as a graffiti complaint in March 2023, though these do not directly affect the building's habitability or maintenance status.