Welcome to 1620 Spencer Street, a rare opportunity offering two separate residences in one of Napa's most desirable neighborhoods. Located in the charming Alphabet Streets adjacent to Downtown Napa, this versatile property combines timeless character, modern updates, and exceptional flexibility for today's lifestyle. The main house is a warm and inviting 2-bedroom, 1-bath retreat, anchored by gorgeous original hardwood floors that flow through the living room and both bedrooms, lending timeless character. The kitchen has been thoughtfully updated with a farmhouse white ceramic sink, stone tile flooring, a modern subway tile backsplash, and charming light fixtures come together for a space that feels vintage and modern, with a dedicated laundry area tucked neatly nearby. The bathroom continues with tile floors, lime-washed walls, and modern fixtures. Additional improvements include HVAC, owned solar and an updated electrical panel. Privately positioned at the rear of the property, the newly constructed, never-before-occupied 1-bedroom, 1-bath ADU offers its own entrance and private patio, creating a truly independent living space. Whether used for multigenerational living, guests, a home office, or rental income, the detached ADU provides outstanding flexibility. The backyard captures the essence of Napa Valley living with inviting outdoor entertaining spaces, a charming hobby vineyard, and the perfect setting for alfresco dining and relaxing with family and friends. Set among heritage homes and mature tree-lined streets, this exceptional location places you just moments from Downtown Napa's acclaimed restaurants, tasting rooms, boutique shopping, live entertainment, and year-round events. A unique property offering character, versatility, and the coveted Napa Valley lifestyle.