12x20 Garden Sheds, Pool Houses & Dog Kennels

A 12×20 structure offers a generous footprint for homeowners looking to bring purpose and style to their outdoor space. Whether you’re planning a functional garden shed, a relaxing pool house, or a custom dog kennel, this size delivers the flexibility you need to bring your project to life. Built by hand in Indiana, every structure from Miller’s Mini Barns is designed with lasting quality, thoughtful details, and customization options to match your exact vision.