Welcome to 1912 Illinois Street! An incredible opportunity in Vallejo's highly desirable Grant Mahoney neighborhood, known for its picturesque tree-lined streets! This inviting single-story, 4-bedroom, 2-bath home offers timeless charm, featuring original hardwood floors, a welcoming living room with a wood-burning fireplace, and a formal dining room ideal for entertaining. Enjoy wonderful indoor-outdoor living with a covered patio overlooking a park-like backyard featuring a majestic heritage Live Oak tree and your own private citrus orchard with six varieties of fruit! A detached bonus room with electricity offers flexible space for a home office, art studio, or creative retreat, while a detached garage provides additional convenience. Ideally located near Vallejo's historic waterfront, downtown, Mare Island, and Saturday Farmers Market, with easy access to the SF Ferry and 80 and 780 freeways. A rare opportunity to make this charming property your own!