3319-21 Columbia St, San Diego, CA 92103

Discover this remarkably maintained two-story duplex, originally built in 1933 and carefully preserved both inside and out. The updated units are currently occupied by excellent, long-term tenants, offering immediate rental income and a smooth transition for the next owner. The exterior is clean, well-kept, and presents beautifully, while the oversized lot provides ample space to garden, relax, or explore future possibilities—including the potential to add one or more ADUs in the rear. Whether you’re looking for a solid turnkey investment or a property with room to grow, this classic duplex delivers character, reliability, and opportunity. Don’t miss the chance to see everything it has to offer—schedule your private showing today!