A mini closet provides space for a washer and dryer while space underneath the stairs adds even more storage. Several stair treads are also hinged, revealing hidden compartments.  Photo 9 of 14 in A Hawaii-Based Couple Build a Luminous Tiny House in Just 25 Days

A Hawaii-Based Couple Build a Luminous Tiny House in Just 25 Days

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A mini closet provides space for a washer and dryer while space underneath the stairs adds even more storage. Several stair treads are also hinged, revealing hidden compartments.