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Extra Space Storage
Brand Certified

Extra Space Storage

4.8
(48 reviews)

About

Self-Storage FacilityPublic StorageMoving Supply Store
Extra Space Storage sets the standard for clean, secure, and hassle-free self storage. We offer a large selection of unit sizes with a range of convenient storage options to fit your specific needs, and our team of experts is ready to help you find the right unit. Whether you're moving, downsizing, or decluttering, we're here to make finding the right storage unit quick and easy. Reserve online, give us a call, or stop by today.

Details

  • Credit cardAvailable
  • DebitAvailable

Location

Extra Space Storage
2896 Highway K, O'Fallon, MO
63368, United States

Hours

Monday9:30 AM - 6:00 PM
Tuesday9:30 AM - 6:00 PM
Wednesday9:30 AM - 6:00 PM
Thursday9:30 AM - 6:00 PM
Friday9:30 AM - 6:00 PM
Saturday9:00 AM - 5:30 PM
SundayClosed
7/4/20269:00 AM - 5:30 PM
11/26/20269:30 AM - 6:00 PM
12/25/20269:30 AM - 6:00 PM
1/1/20279:30 AM - 6:00 PM

Reviews

4.8
48 reviews
5 stars
45
4 stars
1
3 stars
0
2 stars
0
1 star
2
  • MM
    Matreon M8
    Mar 20, 2026
    5.0
    Andy is awesome so much cleaner !
  • SK
    Stuart King
    Mar 2, 2026
    5.0
    Perfectly enjoyable experience!
  • BC
    Blake Cardinale
    Jan 31, 2026
    5.0
    Andy was amazing in helping us pick out a storage unit for our first time! He showed us around the building along with the different sized units and pricing!
  • AB
    Ashley Burnet
    Dec 6, 2025
    5.0
    Huge thanks to Quinton for getting me set up with a unit that was not only perfect for the amount of things I needed stored, but finding a spot that was most convenient. Such a pleasure and his personality definitely helped win me over with BestBox!
  • TH
    Tyler Halas
    Nov 22, 2025
    5.0
    Quinton the manager has been the absolutely amazing, took great care of everything with the best customer support I’ve seen in the area. Showed me my belonging are being well taken care of with zero issues in the back of my mind. Highly recommended!

Frequently Asked Questions About Extra Space Storage

What storage unit size do I need?

The best way to determine which storage option is right for you is with our helpful Storage Unit Size Guide! It will help you estimate how many boxes and non-packed items, such as furniture and appliances, you can fit into each storage unit.

What type of storage unit do I need?

Many factors determine your best storage solution. Do you want the convenience of a ground-floor unit? Do your belongings need climate control? What about vehicle storage? We have online resources to help you explore these options to find your ideal storage unit.

Brand Certified Facts from Extra Space Storage

This information is certified by Extra Space Storage and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified April 05, 2026Yext Knowledge Graph
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