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
“I am not rating a score of 5 for storage masters. This only applies to Doug an employee at storage masters. Doug was very helpful and had a great personality. He was very professional and seemed to enjoy his job. He was knowledgeable and seemed genuine overall. It was a good experience today..”
“Ashley exceeded all expectations. She helped us pair our needs with the best plan and time for our turn around. Ashley also helped us with truck rental and added on items that best completed the job. Can’t recommend her enough. The facility is easy to get to, clean and well maintained..”
“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..”

“This is our first time needing storage space and from the beginning Clarence was an absolute joy to work with. He is extremely attentive and had answers for....”

“Excellent service. Clean facility. Great people to work with. Nice location. Fair prices. We will use again.”

“Our small business has been a client at this location for two years. I have worked with Clarence and every time I talk with him, he is very friendly and....”
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.
