404 Washington Avenue N 402 Welcome to Security Warehouse — one of the North Loop’s most coveted historic buildings, where character and modern design meet in perfect harmony. This chic, open-concept condo is a stunning blend of warm industrial textures and refined finishes. Exposed brick walls and original wood joists celebrate the building’s heritage, while polished concrete floors, tall ceilings, and expansive windows create a space that feels both sophisticated and inviting. A beautifully designed kitchen anchors the home and features a large island for gathering with a sophisticated suite of appliances that make everyday living effortless. The thoughtful layout flows seamlessly into the spacious living and dining areas — ideal for entertaining or unwinding at home. Steps from the city’s best — Whole Foods, Trader Joe’s, riverfront trails, boutique shopping, and acclaimed restaurants. This location is downtown living at its peak.