SmartStop Self Storage in McKinney, servicing the areas of Prosper and Firsco, is the smarter way to store your belongings. Our self storage units feature climate control, video surveillance, wide driveways and deals like "First Month Rent Free" move in specials. Whether you're downsizing, moving or just decluttering, the storage professionals at SmartStop Self Storage can help you decide which self storage unit size will work best for your needs.