Exterior view of the Southside Storage facility

Self Storage Units in Columbia, MO

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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 Winter: Protect Your Belongings With Climate-Controlled Storage in Columbia, MO

Make Room for Winter: Protect Your Belongings With Climate-Controlled Storage in Columbia, MO

October 29, 2026 @ 12:00 AM

Prepare for winter with climate-controlled storage at Southside Storage in Columbia, MO! Protect temperature-sensitive belongings, organize seasonal items, and make more room at home. Take advantage of 40% OFF for 4 months on select climate-controlled units. Visit southsidecolumb ...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