Fortress Castle Maineville 

8191 State Route 48

Maineville, OH 45039



Office Hours 

Sunday: Closed 

Monday: 9:30am - 3:30pm

Tuesday: 9:30am - 3:30pm

Wednesday: 9:30am - 3:30pm

Thursday: 9:30am - 3:30pm 

Friday: 9:30am - 3:30pm 

Saturday: 10:00am - 2:00pm

Subject to change without notice. 

Unit Sizes

Outdoor Drive-Up Units

  • 5x5
  • 5x10
  • 5x20
  • 10x10
  • 10x15
  • 10x20
  • 10x25
  • 10x30 *limited available*
  • 25x25 *limited available*
Please call our office for rates and availability.

Indoor Climate Control Units

Our climate control units add that extra protection from the outside temperatures for your items. These interior units are within the property and will require you to goinside to access your unit. Temperature is kept between 58 degrees in the winter and 79 degrees in the summer. Not sure if you would benefit from a climate control, ask our office manager!

  • 5x5
  • 5x10
  • 5x15
  • 10x10
  • 10x15
  • 10x20
Please call our office for rates and availability.

RV, Boat, and Trailer Out-Lot Spots

  • 12x20
  • 12x15 *limited available*
  • 12x25 *limited available*
  • 12x30
  • 12x40
  • 12x45 *limited available*
Please call our office for rates and availability.

Contact Us

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Fortress Castle Maineville Features

  • Electronic security gate access 24/7

  • Month-to-month leases with convenient payment options

  • Prices are all-inclusive, no extra administrative fees

  • On-site professional management 

  • Indoor climate control units 

  • Drive-up access to non-climate control 

  • Outdoor RV's, trailers, cars, & boat storage​​​​