635-637 22nd Ave, San Francisco, CA 94121

The 635-637 22nd Avenue property in the Central Richmond neighborhood is a 4-story multi-family residential building owned by Nina M. Truong, containing 2 units. The building underwent significant renovations between 2003-2008, including a major addition and remodeling project initiated in 2003 (costing $220,000), followed by multiple permits for sprinkler system installation, plumbing upgrades, and electrical work including a 200-amp service upgrade with 3 meters in 2007.

This period also saw the installation of comprehensive plumbing fixtures throughout the building, including multiple bathrooms, kitchens, and utility installations. During construction, several complaints were filed regarding unpermitted work (including garage modifications) and illegal construction, though these concerns were subsequently resolved. More recent history shows recurring issues with parking violations on adjacent sidewalks, with multiple 311 calls between 2019-2021, though these are primarily external to the building itself.

In late 2016, there were complaints about blight and debris in the backyard area, which was noted to contain construction materials. The building was originally constructed as a two-family residence but increased to four stories during renovations, which attracted regulatory scrutiny. While most construction-related permits have been completed or marked as resolved, there remains one open complaint from 2016 regarding backyard conditions. The property's renovation period (2003-2008) involved substantial infrastructure improvements, including seismic upgrades, modern utilities, and comprehensive plumbing and electrical systems, suggesting the building is reasonably well-maintained from an infrastructure perspective, though the 2016 complaints indicate some ongoing maintenance concerns.