The national average cost range is $1,500 to $10,000, with most homeowners paying around $5,631 for a 10’ x 12’ storage shed clad in pine siding with a simple gable roof. cost to build a shed storage shed costs. Here are a few of our 10x20 storage sheds to give you an idea of the approximate starting costs for some of the different designs: 10x20 standard minibarn shed ~$2500 this is our cheapest 10x20 shed and is perfect for no-frills storage..
