The cost of storage units depends on the type of storage unit, size required and the location. It can cost a few dollars per month to store specific things and hundreds of dollars per month to store an entire apartment in a climate-controlled unit.  If you need to store all your belongings for a month until your new home is ready, you should budget between 150$ to 500$ for a 3-bedroom apartment.  Cost of storage per item per month: A bike: 10$ per month A set of tires: 15$ per month A couch: 30-40$ per month 4 appliances: 100$ per month *These are only approximate prices. Prices may vary depending on many factors.