Best 20 shelves under stairs ideas on pinterest stair. 1000 ideas about stair shelves on pinterest staircase. Built in bookcase under stairs: built in shelves under. Floating shelves under stairs. 17 best ideas about space under stairs on pinterest. Customized staircase with built in shelves traditional. Decorations : minimalist kitchen design with white wall. Small space shelving, under stair shelves and storage. Pantry storage under stair closet under stairs storage. The pesky under the stairs closet so may of us have elfa.