207-209 Masonic Ave, San Francisco, CA 94118

The two-unit residential building at 207-209 Masonic Avenue in the Lone Mountain neighborhood is a two-story flats and duplex structure built in 1939, currently owned by Charles M Barreda. The building has undergone several significant improvements over the past 15 years, including multiple window replacements in 2010-2011 (seven windows in total, with energy-efficient U-factors) and a sewer line/housetrap replacement in March 2010, which were all completed successfully.

Historical records from the 1980s-1990s show other maintenance work including basement repairs and two roofing projects, though the latter two permits expired without completion confirmation. Recent infrastructure issues have arisen, particularly in late 2023 with multiple sewer-related incidents, including a missing side sewer vent cover and a sewage backup. The property has also experienced recurring graffiti issues, with at least three documented incidents in 2023-2024, though these have generally been resolved through city intervention.

The most significant recent maintenance work appears to be the building's response to exterior maintenance requirements during the COVID pandemic, which led to some backlog but has since been addressed. Infrastructure concerns in the surrounding area have been documented through 311 calls, including a manhole cover issue in October 2024 and various street cleaning needs. The building's permit history suggests regular maintenance and updates have been performed over the decades, though some recent sewage-related infrastructure issues appear to be recurring challenges.