- 24 Hour Security Cameras
- Climate Controlled Storage
- RV, Car, Boat Storage
- Truck Rental
- Drive-up Storage Access
- 24 Hour Access Upon Approval
- Online Bill Pay
- Boxes & Supplies
Rate and Review

“This has been the best storage facility I’ve used very good decent prices for nowadays, and the staff is so helpful and really figures out what you need and nice and sweet like you knew them forever . shout out to Ashley. You are incredible. You come through with help every time I needed it since I started using you guys..”

“I found Storagemasters in O'Fallon MO. to be the perfect storage location for people moving to a new home. It's central location on I-70 is easy to get to, has large drive-up storage, is clean & secure. And the employees are courteous & friendly. Having a storage unit here made our moving to a new home much easier. Thanks!.”

“Clarence was friendly and helpful. He assisted in helping me determine the right locker size, showed me my new space, worked with me on my moving needs. He made this process run smoothly! Thank you Clarence!.”


“Clarence was great to work with! He helped find the perfect size unit for our storage needs. He's one of the main reasons that we decided to go with this....”

“Customer service was amazing. Clarence was very friendly and helpful in picking out the correct size unit. My unit was clean and in working condition. I....”

“Highly recommend. great price and value for climate controlled self-storage, easy access site on side road by I-70; has a lot of parking/turn around space....”
Storage Units at O'Fallon, MO
- In-Store $82
- Web Only $72
- In-Store $86
- Web Only $76
- In-Store $87
- Web Only $77
- In-Store $108
- Web Only $98
- In-Store $127
- Web Only $117
- In-Store $128
- Web Only $118
- In-Store $133
- Web Only $123
- In-Store $140
- Web Only $130
- In-Store $142
- Web Only $132
Size Disclaimer
Sizes advertised for rent are approximate only; units or spaces at the property may differ slightly in shape and/or size. Customers should inspect the actual unit/space to be rented before signing a rental agreement and should base the decision to rent on the inspection of the unit/space and not on the advertised size. Rental amounts for a particular unit/space are not based on square footage measurements.