404 Washington Avenue N 104 Amazing style, space, and convenience at Security Lofts. Over 1, 200 square feet of character: polished concrete floors, exposed timber posts and beams, exterior brick, custom built-in closet organizers, custom lighting, and more. Kitchen features huge island with butcher block surface and space for barstools, stainless steel appliances, under cabinet lights, gas oven and tiled backsplash. Historic Security Lofts is a landmark of the neighborhood and walking distance to everything in the North Loop.