Yes, you will need to sign a lease agreement in order to lease an Extra Space Storage unit.
You have to sign that you acknowledge their terms. Terms like if you don't pay and they can seize your property within so many weeks. That is with all storage companies. It also outlines your payment date, what appropriate use of the unit is and general things like that. It's month to month that is what I signed two years ago. Check with them for a more accurate and up to date answer.
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