Prime mixed-use investment opportunity in the heart of Pilsen! Property is currently set up as a single-family home and building will be vacant at closing. This historic brick building, built in the late 1800's, offers approximately 4,000 sq ft across multiple units with strong potential rental income and future upside. The first-floor features an open-concept layout with two large rooms, laundry, fireplace, a spacious kitchen, and a full bath. The basement has 2 bedrooms / 1 bath (1,500 sq ft) with 9ft ceilings. The second floor offers a full 3 bedrooms, 2 full baths, 2 gas fireplaces, an enclosed porch and wet bar for year-round entertaining. There is also an outdoor rooftop deck boasting stunning skyline views. Interiors include hardwood and tile flooring, in-unit laundry, recessed lighting, generous closets. Rare attached 2-car garage included. This is a very unique and well cared for property. The basement is fully finished and set up with two more bedrooms, full bath, kitchen and laundry. Cash or Commercial Financing will most likely be needed for purchase (Building is zoned C1-2). Located on bustling Blue Island Ave, just steps from 18th Street, CTA Pink Line, UIC, and the Medical District, this property benefits from a 96 Walk Score and a 99 Bike Score. Surrounded by Pilsen's vibrant dining, art, and cultural scene, this is an unbeatable live-work-invest opportunity. Whether you're looking to stabilize income, renovate for higher rents, or add a boutique storefront, 1639 S Blue Island delivers exceptional potential. Property sold As Is