Welcome to 3658-3664 Marlborough Ave, a fully renovated 4-plex located in a quiet and welcoming gated community in the heart of City Heights. This upgraded multi-unit investment property sits on a large lot, providing room to expand and add value. With the property located in a Transit Priority Area, investors benefit from increased development flexibility and the potential to build additional ADUs, maximizing long-term returns. Each unit has been thoughtfully designed for comfortable living, with modern finishes, open floor plans, and updated kitchens featuring essential appliances. Stylish, easy-to-maintain flooring runs throughout all units, and large windows bring in plenty of natural light. The property also features secure gated access, on-site laundry, and convenient street parking for residents. The location offers unbeatable access to San Diego's top attractions—Balboa Park, Hillcrest, and the trendy cafes and shops of City Heights are just minutes away. Tenants also enjoy quick access to public transportation, making daily commutes simple. This 4-plex is a rare opportunity to own a high-demand rental in a prime neighborhood, with strong income potential and future development upside. Whether you're expanding your portfolio or entering the San Diego market, this is a smart, turnkey investment you won't want to miss.