1615-1617 Mason St, San Francisco, CA 94133

This two-unit, four-story multi-family residential building located at 1615-1617 Mason Street in Russian Hill was built in 1907 and is currently owned by Peach Revoc Tr. The property has undergone significant recent improvements focused on safety upgrades, including the installation of a comprehensive fire sprinkler system throughout the building in 2022-2023 (costing approximately $28,000), followed by a sprinkler monitoring system installation in 2023-2024. Major renovation work was performed between 2019-2020, including foundation work with retaining wall replacement and garage door widening, as well as a vertical addition of a 4th-floor master bedroom and bath with exterior roof deck.

The building underwent substantial systems upgrades in 2023-2024, including new plumbing installations for multiple bathrooms, kitchen, and new utilities including a tankless water heater, furnace, and radiant heating system. Recent complaints have raised some concerns about safety, particularly regarding lead paint management, with complaints filed in 2023 and 2011 about lead work and paint peeling. There was also a complaint in October 2023 regarding alleged trespassing onto a neighbor's property during construction work, though this complaint is currently listed as not active.

The building has experienced three minor fire incidents, all of which were either cooking-related or false alarms with no civilian injuries reported. Multiple plumbing and electrical permits have been issued and completed recently, indicating ongoing infrastructure improvements. The property has maintained compliance with major building codes through significant safety system upgrades, though some plumbing permits from 2023 remain in expired status, indicating work extensions have been requested as of early 2025.