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Fortress Castle Storage

We are dedicated to providing safe, professional,
and convenient storage of your business and personal items.

With drive-up access and a variety of self-storage unit sizes
available, we are equipped to handle all of your storage needs.

We have three convenient locations to serve you.


  • month-to-month leases
  • fenced, secure lot
  • NEW!  climate-controlled units at our Maineville location
  • drive-up access to all non-climate-controlled units
  • friendly and professional staff
  • outdoor storage for RV's, boats, cars, trailers
  • boxes and moving supplies available, call for details
  • prices are all-inclusive, no extra administrative fees
  • discounts for military and non-profits
  • deliveries accepted during normal hours of operation
  • office space rentals are available at our Mason location
  • Hours of operation

    Office hours - Maineville and Milford
    Mon, Weds, Fri                   11am - 5pm
    Tues, Thurs, Sat                   9am - 2pm

    Office hours - Mason
    Mon thru Fri                     8:30am - 5pm
    Sat                                      10am - 2pm

    Gate access 
    Milford and Mason, 24 hours per day, 7 days per week    
    Maineville, daily from 7am - 10pm


    1233 Castle Dr.
    Mason, OH 45040

    (513) 398-1515 office
    (513) 398-2631 fax


    697 State Route 28
    Milford, OH 45150

     (513) 831-9150 office
    (513) 831-9154 fax


    8191 S. State Route 48
    Maineville, OH 45039-8829

    (513) 683-6250 office
    (513) 683-0162 fax

    Our Mission

    To provide clean and convenient storage options for our customers,
    and to distinguish ourselves from our competition by maintaining excellent customer service and value.