1243 Union St, San Francisco, CA 94109

The two-unit residential building at 1243 Union Street, a century-old structure located in San Francisco's Russian Hill neighborhood, has a documented history of both maintenance and safety concerns. Most recently, in June 2017, the building was involved in plumbing-related issues concerning an improperly supported 10-foot venting pipe, which required both plumbing and building inspections to address.

This incident followed a concerning report from September 2004 regarding potentially hazardous conditions related to rotted and unsafe back stairs that were reportedly in danger of collapse, though there is no record of this complaint being formally resolved before the period of available data ends. The building's maintenance history shows some attention to infrastructure needs, including a completed roofing project from April 1998 (with documentation showing two permits were issued for this work).

More recent plumbing work was performed in 2017 to replace a water heater and address the aforementioned venting pipe issue, though the specific completion status of the vent-related permits is marked as "Not Active." The property has generated two recent 311 calls in 2023-2024, though neither was directly related to building conditions – one concerned street cleaning and the other was about an abandoned vehicle that was gone upon inspection. While the building's documented history shows periodic maintenance work being performed, particularly in response to safety concerns, there have been notable gaps in resolution documentation for certain critical issues, most significantly the exterior stair safety concerns from 2004.