420 Tehama St, San Francisco, CA 94103

The two-story, two-unit multi-family residential building at 420 Tehama Street, owned by the Peter A Lommori Trust, has experienced significant maintenance and safety issues in recent years, particularly regarding water damage and mold problems. The property, built in 1912, underwent substantial work in 2023-2024 to address various building violations and maintenance needs, including multiple siding replacements, roofing work, and interior repairs. In early 2024, serious water intrusion issues were documented in the light well area, leading to multiple Notices of Violation (NOVs) and required repairs costing between $3,800 and $35,000.

The building has a documented history of moisture-related problems, including complaints of mold, dry rot, and water damage dating back to 2021. Recent improvements to the building include the installation of granite countertops, plumbing updates, and electrical work to replace smoke detectors in 2023. However, persistent issues with lead paint hazards, fire safety violations, and water damage have raised concerns about resident safety.

The property underwent multiple roofing projects in 2004, 2016, and most recently in 2024, demonstrating ongoing maintenance attention to critical systems. A tenant buyout occurred in May 2024 for $99,600, representing one unit's termination of tenancy, and there have been recent concerns about exterior maintenance and weatherproofing. The building's location in the South of Market neighborhood has seen recurring issues with garbage and debris on the premises, as evidenced by multiple 311 calls throughout late 2024, though most were promptly resolved. While substantial investment has been made in addressing building violations and maintenance needs, the property has experienced periodic compliance challenges requiring multiple NOVs and follow-up work.