Beautiful duplex located near Historic Downtown San Dimas featuring two separate addresses, 409 & 411 W 4th Street. The front residence (409) offers two bedrooms and two bathrooms with a comfortable layout, private entry, two-car garage, and individual washer/dryer hookups. The rear residence (411) is a one-bedroom, one-bath home located on the second level above the garages with private alley access, parking, and its own entry. A detached bonus room on the lower level near the rear unit provides flexible space for storage or other uses as envisioned by the new owner. Each residence includes its own two-car garage and separate laundry connections. Property provides existing rental income and strong investment potential. Convenient location near shops, dining, and parks, with easy access to Bonelli Regional Park, Raging Waters, Puddingstone Lake, major freeways, and the future Metro Gold Line station