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The average price per square foot of self-storage space in Portland is $1.58 per month. On average, 10x10 storage units in Portland cost $139 per month.
Portland is home to The University of Southern Maine. College students often need storage during summer and winter breaks and can drive prices up during these seasons.
Those who rented self-storage in Portland were more likely to book a 5x5 storage unit than any other size.