Exterior view of the Southside Storage facility

Storage Units in Columbia, MO

Find available units and prices

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What unit size is right for you?

Watch our size guide videos to choose the right unit

Select Unit Size to Watch Video Guide Below

Size Guide for storage units XS
Storage Locker
 S
5x5
  
5x10
 M
10x10
  
10x15
 L
10x20
 XL
10x30

Why rent a storage unit online?

Storing your stuff has never been easier, especially with Touchless RentalsTM

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Your local Storage Expert

Packed to Perfection: The Smart Way to Organize Your Storage Unit and Maximize Every Inch

July 17, 2026 @ 12:00 AM

A storage unit can be one of the best organizational tools you have, but only if you use it wisely. Simply moving boxes from your home into a unit without a plan often leads to wasted space, damaged belongings, and the frustrating experience of digging through piles every time yo ...more

$25 Referral Rewards Program

Know someone who could use a little extra space? Refer them to Southside Storage, and we'll thank you with a $25 reward! ...more

online auction bidding

Online Storage Auctions

Bid on storage units online through our trusted auction partner, StorageTreasures. Browse available units, place your bids, and win great deals—all from your phone or computer. Auctions are live now, so don’t miss out! ...more