Exterior view of the Southside Storage facility

Storage Units in Columbia, MO

Find available units and prices

Recommended locations

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

play

Your local Storage Expert

Overflowing Office? How Columbia Small Businesses Are Reclaiming Space With Smarter Storage Solutions

May 26, 2026 @ 12:00 AM

For many small businesses in Columbia, MO, office space starts disappearing long before growth slows down. A company might begin with a clean, organized workspace and plenty of room for supplies, only to find a few years later that inventory boxes are stacked beside desks, filing ...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