An exceptional investment opportunity in the heart of coastal Oceanside. Just minutes from the beach and downtown, 509 North Horne Street offers a versatile three-unit layout with outstanding potential for renovation, expansion, or redevelopment. The property includes over six bedrooms, four bathrooms, and two half baths thoughtfully arranged across a flexible floor plan. The main residence features four bedrooms and two and a half baths, while two fully detached accessory units are positioned at the rear—each paired with its own two-car garage. The generous lot and existing improvements provide a strong foundation for modernization or a complete reimagining into contemporary multi-unit living. Set within one of North County’s most dynamic coastal markets, this property blends scale, flexibility, and location—presenting a rare opportunity for investors and developers to shape the next chapter of Oceanside’s evolution.