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Storage units in Rapid City, SD

185 available units | 34 facilities

See Local Prices by Unit Size

How much is a storage unit in Rapid City?

Smaller units typically cost less, while larger, climate-controlled, or specialty units tend to command a premium.

Average Storage Unit Prices (October 2026)

Unit SizeNon-Climate ControlledClimate ControlledAll Unit Types (Average)
5x5$60$64$62
5x10$60$83$65
10x10$79$130$90
10x15$95$152$105
10x20$104$190$115
10x30$147-$147
20x30$250-$250
Average (All Sizes)$114$124$119
*Average monthly rates for Rapid City, SD, in October 2026

How to find the cheapest storage in Rapid City?

When looking for cheap storage units in Rapid City, timing can make a big difference. Rapid City storage prices tend to be lowest in August, averaging around $126. In contrast, May is typically the most expensive time for self storage in Rapid City, with rates reaching up to $128.

Price & Availability Index for Rapid City Storage Units

Click any point to view month-specific storage unit prices and availability at local facilities.

Monthly storage unit street rates in Rapid City
MonthUnitsAverage price
Aug 2025267$126
Sep 2025270$126
Oct 2025272$126
Nov 2025275$126
Dec 2025276$127
Jan 2026279$127
Feb 2026289$126
Mar 2026289$126
Apr 2026306$127
May 2026309$128
Jun 2026311$128
Jul 2026311$128

The chart above offers a clear month-by-month look at Rapid City storage rental prices, helping you see exactly when it's cheapest to book a unit. By planning and renting during the low-demand months, you'll increase your chances of locking in the best deal on storage.

These seasonal shifts in self storage costs in Rapid City are closely tied to moving trends. Summer is peak moving season, which drives demand - and prices - higher. If you want to secure the most affordable storage in Rapid City, consider renting during the off-season when demand drops and availability improves.

What drives storage prices in Rapid City?

Street rates for storage units in Rapid City vary by unit size, facility location, and local demand. Added features like climate control, 24/7 access, and enhanced security can affect monthly costs. Discounts for long-term rentals or first-time customers may also reduce overall rates.

  • 5x5 storage units in Rapid City start at as low as $60 for non-climate-controlled spaces and $59 for climate-controlled ones. This is the most affordable option for those needing extra space for boxes, small furniture, or seasonal décor.
  • 10x10 storage units in Rapid City are available starting from $65 for non-climate-controlled units and $79 for climate-controlled options. As the most rented unit size, it's a cost-effective solution that fits the contents of a one-bedroom apartment, ideal for moving or remodeling projects.
  • 10x20 storage units in Rapid City begin at $40 for non-climate-controlled spaces and $50 for climate-controlled ones. These are the lowest rates for large units, which can accommodate furniture from a multi-room home or even a vehicle, offering both space and great value.

Minimum prices are based on active listings in November, 2026.

Actual rates may vary depending on market availability and facility pricing updates.

Frequently Asked Questions

What is the cheapest storage unit price in Rapid City right now?

The lowest storage prices in Rapid City start at $40/month for a 10′×20′ self storage unit — perfect for renters seeking budget-friendly options.

The cheapest month to rent storage in Rapid City is August, when average rates drop to around $126/month. Booking during this time can help you save more.

Yes, some storage facilities in Rapid City offer 24/7 access so you can reach your unit anytime. Before renting, check the facility's business hours or access policy to ensure it matches your schedule. Round-the-clock access is ideal if you need flexibility or plan to visit your unit outside standard hours.

Based on 901 reviews, customers in Rapid City rated their storage experience a solid 4.4. This good rating reflects positive feedback on Rapid City storage facilities, showing reliable service and value across most locations.