Current prices in Great Falls start at $45.00/month for small units. The most popular units nationwide are 10×10 units - they average $65.00/month, and start as low as $65.00.
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These are the lowest prices for storage units across Great Falls (updated December 19, 2025):
On December 19, 2025 the average cost of a 10x10 storage unit in Great Falls was $65.00 per month, while the cheapest 10x10 storage unit rented for $65.00 per month at Black Eagle Storage.
A 5×5 holds a closet's worth, a 5×10 fits a studio apartment, and a 10×10 accommodates a one-bedroom apartment—that's the most popular size. A 10×15 fits two bedrooms, and a 10×20 holds a three-bedroom home. Choose the larger size if you're debating between two options.
10' x 10' storage units are the most popular size storage unit rented in Great Falls. A 10' x 10' storage unit can accommodate the contents of a 3 bedroom apartment. The average price of a 10' x 10' unit on December 19, 2025 is $65.00 per month. If you're looking for the cheapest 10 x 10 storage unit in Great Falls - it's yours for $65.00 monthly.
Nothing hazardous—no gasoline, propane, paint thinner, or chemicals. No food that'll rot, no plants, definitely no pets. Firearms depend on the facility's rules. And obviously nothing illegal or stolen. Some places are strict about anything wet or smelly too. Break these rules and they can terminate your lease on the spot and keep your stuff, so it's worth reading the fine print.
