Exterior view of the Southside Storage facility

Self 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

Make Room For Holiday Guests

Your Guests Are Coming. Where Will the Stuff Go? Holiday Storage Tips for Columbia, MO

November 14, 2026 @ 12:00 AM

Getting ready for holiday guests in Columbia, MO? Make room for family and friends with simple storage solutions. From seasonal decorations to extra furniture and household clutter, discover practical tips to keep your home organized, create more space, and enjoy a comfortable, s ...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

$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