Self storage in O'Fallon, MO

A1 U Store It Facility Features

One-Stop Self Storage

When you need convenient self storage, you need A1 U Store It. Our O'Fallon self storage facility offers a wide selection of storage units complemented by outstanding facility features. Enjoy access 7 days a week and on-site management as well as a variety of additional benefits. Whether making room for baby or organizing your office, we make self storage easier for O'Fallon residents and businesses.

Ready to learn more about O'Fallon’s best self storage facility? Give us a call to reserve your space today.

A1 U Store It


2770 Highway K O'Fallon, MO 63368

features at A1 U Store It


  • Climate-Controlled Units Available!
  • Individually Alarmed Units
  • Digital Surveillance System
  • Storage Access 7 Days/Week: 6 a.m.-10 p.m.
  • On-site Management
  • Lighted and Fenced with an Electronic Security Gate
  • Wide Concrete Drives; Complete with Large Turnaround
  • You Alone Have Access, You Carry the Key
  • Sizes from 30 square feet to 300 square feet
  • Month-to-Month Rentals
  • Leave at Any Time