Industrial outdoor storage, or IOS, a new property type borne of climbing costs for traditional industrial buildings, is rapidly becoming a darling of the more opportunistic investors in commercial real estate, with an estimated market value of $200B in the U.S. There’s no hard-and-fast definition for what makes an IOS property, but this nebulous property type benefits from two major factors: its simplicity and its physical constraints. Its simplicity makes it easy to manage. Its physical constraints, further restricted by unfriendly zoning laws, give it an element of urgency: Either get on board now or miss the train. Continue reading this story with a free account.