Charming, updated 1br/1ba home with additional studio ADU for extra income! Located in the highly desirable St. Vincent's Hill Historic District, this home beautifully blends character with modern upgrades. The main house features stunning flooring, vaulted ceilings, skylights, and recessed lighting throughout. The spacious, modern kitchen is equipped with newer appliances, including a gas cooktop, while recent upgrades such as a tankless water heater and updated heating system provide added comfort and efficiency. Washer, dryer, and refrigerator are all included. Additional highlights include dual-pane windows, new sliding doors, updated fencing, and a private deck courtyard-perfect for relaxing or entertaining. The cozy studio ADU offers its own private entrance and a light-filled open layout with skylights and wood flooring. A charming sleeping loft adds extra versatility, and the spacious bathroom features a soaking Jacuzzi tub along with a separate shower for a spa-like experience. Ideally located within walking distance to the Vallejo Yacht Club, nearby parks, the marina, and the ferry terminal for easy commute to San Francisco.  Wide driveways provide ample, convenient parking.