520-528 Hayes St, San Francisco, CA 94102

The 41-unit, 3-story apartment building at 520-528 Hayes Street, owned by Hayes Valley Properties LLC, dates back to 1900 and has undergone numerous significant renovations and faced various challenges over the years. Most recently, there have been multiple boiler permit renewal issues, with the latest complaint filed in December 2024 remaining active. The building successfully completed its mandatory soft-story seismic retrofit under Tier 4 requirements, demonstrating compliance with earthquake safety regulations.

Between 2018 and 2020, the property underwent substantial work related to moment frame installations, including multiple permit renewals and associated plumbing and electrical modifications. Historical concerns included several fire safety violations in 2019 related to emergency lighting and exit signs, though these were subsequently abated. The building has a documented history of maintenance and safety issues, notably including a concerning tenant complaint in 2020 about Unit #8 involving hoarding, poor sanitation, and safety concerns, though this case is now listed as not active.

Earlier violations from 2002 and 2008 addressed various interior maintenance and fire escape requirements, all of which were abated. Recent 2022-2024 complaints have included concerns about a possibly unauthorized sign installation and various maintenance issues, while several 311 calls from late 2024 have reported on property cleanliness matters in the surrounding area. The building has undergone numerous unit renovations over the years, with multiple completed permits for work in Units #1A, #2, #3C, and #15, covering bathroom and kitchen remodeling, electrical updates, and other improvements.