Located in the heart of Chicago's rapidly growing Humboldt Park and West Town industrial corridor, 3146 W Chicago Ave presents a rare opportunity to acquire a 6,400 square foot industrial flex warehouse for sale designed for both operational efficiency and high-end showroom presence. Situated on a 50' x 125' (6,250 SF) lot and zoned M1-2 (Limited Manufacturing District), this property supports a wide range of industrial uses including warehouse, distribution, light manufacturing, contractor space, and e-commerce fulfillment, making it an ideal fit for owner-users and investors seeking industrial real estate in Chicago. Originally constructed in 1909, the building features a clear-span bow-truss structure with ceiling heights ranging from approximately 20' to 20'+ at the peak, providing the vertical clearance and open layout required for racking, storage, and efficient workflow without interior columns. The property is equipped with one drive-in overhead door, allowing for practical loading and deliveries, and is constructed of masonry/brick, offering durability and long-term stability for industrial users. What truly differentiates this property from other industrial buildings for sale in Chicago is its complete designer renovation and showroom-quality interior. A dramatic 75-foot operable skylight runs the full length of the building, flooding the space with natural light and creating an environment that feels more like a flagship showroom than a traditional warehouse, ideal for businesses that value branding, client experience, and presentation. The interior includes polished concrete flooring, modern lighting, updated electrical with circuit breakers, central HVAC with forced air heating, and a flexible layout that allows for seamless integration of warehouse operations with office or creative workspace. A mezzanine level provides additional square footage for office, administrative, or studio use, giving industrial users the ability to operate and present from one centralized location. From a logistics and accessibility standpoint, the property is strategically positioned for last-mile distribution and urban industrial use, with quick access to I-90/94 (Kennedy Expressway) and I-290 (Eisenhower Expressway), providing efficient connectivity to Downtown Chicago, O'Hare International Airport, and the greater Chicagoland industrial network. The site is also well-served by public transportation, with CTA bus routes running along Chicago Avenue and convenient access to nearby CTA rail lines, supporting workforce accessibility and ease of commute for employees. The surrounding area continues to see strong growth with a mix of industrial users, retailers, and national tenants, further enhancing the long-term value of this location. In today's market where quality industrial buildings for sale in Chicago are limited, particularly those offering both functionality and design, 3146 W Chicago Ave stands out as a true flex industrial showroom asset. This property is ideally suited for industrial showroom users, e-commerce companies, contractors, light manufacturers, and creative businesses seeking a centrally located Chicago warehouse with modern infrastructure, strong transportation access, and a space that elevates their brand while maintaining operational efficiency.