470-474 Duboce Ave, San Francisco, CA 94117

The three-unit multi-family residential building at 470-474 Duboce Avenue in Hayes Valley, owned by Warren W & Helen F Lee Bypa, was constructed in 1900 and stands three stories tall. The property has undergone several significant maintenance and repair projects over the years, including a $29,000 reroofing project in 2022 and gas line leak repairs in 2008.

A notable series of violations was documented in March 2009, when multiple fire safety and building compliance issues were identified, including problems with fire proofing in the garage, missing handrails, and fire extinguisher requirements. These violations were all addressed and abated by April 2009. The building has experienced several maintenance issues in recent years, with the most recent concerns including reports of mold and mildew (June 2024), lack of hot water (July 2024), and a sewage backup incident (February 2024).

There are currently two open 311 calls from January 2025 regarding a collapsed sidewalk and rent board inquiries. Historical records show compliance with various requirements, such as the completion of fire safety repairs in 2009. The property has regularly addressed both routine inspections and specific complaints, though recent maintenance issues suggest some ongoing upkeep challenges, particularly related to building systems and infrastructure.