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Storage pricing guide · Updated 2026

How much does a storage unit cost?

Storage unit prices range from roughly $15 per month for a small 5x5 unit to $790 or more for a large 10x30. Averages on this page are computed directly from real units listed by the 5,979 facilities publishing rates, out of 16,686 in the StorageAtlas index — not estimates.

Average price by unit size

SizeAvg / mo
5×5$43
5×10$59
5×15$76
8×10$91
10×10$99
10×15$133
10×20$163
10×25$195
10×30$219
12×30$207

Climate-controlled premium

Climate-controlled units average $40/mo compared to $59/mo for standard units — a premium of -33% based on 4,952 facilities in our index. Recommended for wood furniture, electronics, photos, and anything stored long-term in humid climates.

Find climate-controlled units →

Cheapest & priciest states

Most affordable
Most expensive

Based on the lowest typical starting rate observed in each state across all listed facilities. See per-state breakdowns for detail.

Browse cost by state

Frequently Asked Questions

How much does a storage unit cost on average?+

Across the 5,979 StorageAtlas facilities that publish rates, small storage units (5x5) average around $43/month, 10x10 units average $99/month, and larger 10x20 units average $163/month. Rates vary significantly by city, climate control, and local demand.

Why does storage unit pricing vary so much?+

Pricing is driven by local land cost, facility demand, amenities (climate control, 24-hour access, drive-up access), and unit availability. Major metros like Manhattan, San Francisco, and Toronto typically charge 40–80% more than the national average. Rural markets often run 20–30% below.

How much more does a climate-controlled unit cost?+

On average, climate-controlled units in the StorageAtlas index cost $40/month vs $59/month for standard units — a premium of roughly -33%, based on 4,952 facilities.

What's the cheapest storage unit size?+

The 5x5 unit is the most affordable standard size, averaging $43/month nationally. It holds a closet's worth of items — ideal for seasonal storage or overflow from a studio apartment.

Do storage unit prices change seasonally?+

Yes. Storage demand peaks in late spring and summer (May through August) during the main moving season, pushing prices 10–20% higher in competitive markets. Winter (November through February) is typically the lowest-price window. Longer-term rentals often qualify for move-in specials.