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The average price per square foot of self-storage space in Portsmouth is $1.17 per month. On average, 10x10 storage units in Portsmouth cost $120 per month.
Portsmouth is home to The University of New Hampshire. College students often need storage during summer and winter breaks and can drive prices up during these seasons.
Those who rented self-storage in Portsmouth were more likely to book a 5x5 storage unit than any other size.