Call To Reserve! (855)668-0632 Welcome to Next Door Storage , one of Illinois leading self storage facilities . Whether you';re looking to store your furniture or possessions, or a company wanting to store documents or other business items, Next Door Storage can help. We';ll make sure you have the access you need, when you need it. The cost of a self storage facility is probably a lot less than you think - and you';ll find we more than compare with other storage suppliers.