3524-3526 18th St, San Francisco, CA 94110

The three-story multi-family residential building at 3524-3526 18th Street, located in the Mission Dolores neighborhood, is a 1924 flats/duplex structure consisting of two units, currently owned by Anna & Jonas Wright. The property has undergone several significant improvements over the past decade, including the installation of a voluntary residential fire sprinkler system in 2014, a comprehensive rewiring of both units in 2014, and a major addition/renovation project in 2013 that included new stairs, a residential elevator, and significant interior remodeling at a cost of $410,000.

More recent upgrades include the installation of a mini-split system in 2019, a new fireplace insert in 2022, and backflow prevention system updates in 2023, indicating ongoing maintenance and modernization efforts by the current owners. The building had a period of maintenance issues in 2010, particularly concerning weatherproofing, exterior paint, and lead paint concerns, which were all resolved by April 2011.

Recent service records from 2023-2024 show regular street cleaning and parking enforcement activity around the property, with several citations issued for driveway blocking issues. The property received a variance approval for rear yard alteration work, demonstrating compliance with local planning regulations. The extensive permit and improvement history suggests proactive maintenance and upgrading of building systems, with particular attention paid to fire safety infrastructure and modern amenities.