3124-3132 21st St, San Francisco, CA 94110

The property at 3124-3132 21st Street in San Francisco's Inner Mission neighborhood is a 7-unit, 2-story multi-family residential building constructed in 1900 and currently owned by SF Baker Investments LLC. The building has undergone significant recent improvements, including the installation of a new automatic alarm system in 2023 (with a completed electrical upgrade to comply with fire safety requirements), the addition of two ADUs in 2022 (with associated plumbing and electrical work), and an ongoing roof replacement project initiated in 2024 costing $45,000. The property successfully completed its mandatory soft-story retrofit program, achieving Tier 3 compliance, though there was a prior enforcement action filed in 2019 for non-compliance that was resolved in 2023.

Historical records show various improvements and issues addressed over the years, including a major unit legalization project completed in 2018 that expanded the building from 7 to 9 units. The building has experienced some maintenance challenges in the past, with violations recorded in 2005 related to heating, stair repairs, and wall conditions, though these were all abated by August 2005. More recent maintenance work has included the installation of a comprehensive sprinkler system in 2022, replacement of entrance stairs in 2022, and various plumbing upgrades including sewer line work in 2015 and water service improvements in 2022.

The building has also been subject to routine inspections and some external issues noted in 311 calls, primarily relating to street cleaning and maintenance matters outside the building itself. The property's development history includes plans for a 4th story addition and various zoning applications, with recent focus on ADU legalization and building improvements. Multiple routine inspections have been conducted over the years, with the most recent building safety measures focusing on seismic retrofitting and fire safety upgrades. The building is currently maintaining good compliance with city regulations, with no active violations or complaints as of the latest records.