Looking for the perfect multi-generational living arrangement, OR opportunity to reap the benefits of built-in passive income from the comfort of your own home? Here it is! A truly unique chance to own a beautiful home in the picturesque Fleming neighborhood of Vallejo WITH a fully permitted detached ADU/in-law unit in the back! The main/front house is two story charmer with 4 bedrooms and 3 full baths. As an added bonus, the primary bedroom downstairs has its own entrance and kitchenette. The ADU was constructed in 2020. It has 2 beds and 1 bath with its own laundry, kitchen, central heat, tankless water heater, separate yard & parking. The main house is truly charming, with a large picture window, hardwood floors with original inlay, open kitchen, formal dining room, plus a sweet nook. Two of the bathrooms have been updated and the third maintains its original charm. Newer decorative iron fencing adorns the front yard. Plenty of parking, between the attached garage & multiple off-street spaces. Main house & ADU have separate meters & separate addresses. Water is shared. The possibilities here are ENDLESS!