Welcome to Castle Mini Storage

Rockville's Best Storage Value

If you're looking for the best storage value in Rockville, you've come to the right website! Our storage facility offers month-to-month and long-term rentals, monthly move-in specials, and discounts for students, active military and seniors. Castle Mini Storage in Rockville, MD is conveniently located near the intersection of 355 (Rockville Pike) and 183 (Montrose Rd & Randolph Rd).

You never have to worry about the safety of your stored belongings when they're kept in a Castle Mini Storage unit. For the protection of your favorite things, we have 24-hour video surveillance and the added security and value of second floor spaces. With computerized gate entry, we can also easily keep track of who's entering and exiting the facility at all times. Trust your belongings with Castle Mini Storage today!

We look forward to hearing from you.


Current Tenants: (301) 468-0640

Advantage Self Storage of Rockville, MD


12040 Parklawn Dr Rockville, MD 20852

Facility Features & Access

Castle Mini Storage offers a wide variety of storage units to meet all your needs. From small closet-sized units to large 16'x20' spaces, we have a solution to fit your individual requirements, all with the convenience of drive-up access and 24/7 entry. Our storage professionals will help you with all your storage needs; we will even accept deliveries on behalf of your business.

Office Hours
Mon – Fri 10am – 6pm
Saturday 10am – 5pm
Sunday Closed

Facility Access