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
“Ashley was The manager at the St Charles location and was extremely great to work with. She not only returned my phone calls promptly when I was calling to inquire, but was Great to work with when I became a customer as well. I have never rented a unit before and she was very patient, thorough, knowledgeable, professional, and was just an all-around great experience for my company and I can tell she's a great asset for the company as well. Thanks Ashley!.”
“Oh my goodness where do I begin? Ashley was and is Remarkable!! I needed help with a bike issue she was able to resolve this!!! Then I had an issue with my phone.. Well you guessed it Ashley helped resolve that issue also… Storage Masters isn’t just storage.. Customer Service is absolutely Spectacular!!! I highly recommend Storage Masters!!.”
“Amanda was great to work with. She took the time to listen to our needs and was very polite and helpful..”

“I chose Storage Masters as they had the best price during my search for a place to store my things. I signed up online which was a breeze. Diane in the....”

“I chose Storage Masters as they had the best price during my search for a place to store my things. I signed up online which was a breeze. Diane in the....”

“Diane and the team there are great to work with. There has been much improvement at this location since I first got in my first unit. Check them out!.”
Storage Units at Saint Charles, MO
- In-Store $43
- Web Only $33
- In-Store $52
- Web Only $42
- In-Store $60
- Web Only $50
- In-Store $82
- Web Only $72
- In-Store $106
- Web Only $96
- In-Store $137
- Web Only $127
- In-Store $171
- Web Only $161
- In-Store $196
- Web Only $186
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.
