Your Best Storage Value

Castle Mini Storage

12040 Parklawn Dr Rockville , MD 20852


We Make Storage Easy

Whether you need a temporary space to store everything during a move or remodel or a long term unit for business inventory, seasonal items or keeping your personal space organized, look no further. Located in Rockville, Maryland, Advantage Self Storage offers convenient, affordable storage options for all your personal and commercial needs. Our month-to-month rentals give you the flexibility you need during life’s transitions, and we provide plenty of features to help streamline the storage process. Castle Mini Storage's onsite management team is the best in the business.  Give us a call.  We’ll get you the perfect set up for your specific needs.


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Convenience Matters

We know you’re busy. That’s why we’ve set up shop in a convenient Rockville location near the businesses you visit most, giving you fast access to Randolph Road. You can easily swing by 7 days a week to pick up your stuff and hit the road. And thanks to nearby filling stations like Liberty Gas Station on Randolph Road, you can quickly top off your gas tank during your travels. Simple. Easy. Convenient. Expect a customer-centric experience at Castle Mini Storage.

Map & Directions

Effortless Self Storage

Partner with Castle Mini Storage for the ultimate hassle-free self storage process. We make it easy to rent your space and manage your account thanks to our online payment system and flexible month-to-month rentals. Our digital surveillance system gives you extra peace of mind, knowing we’ve got your back 24/7. Need boxes and moving supplies? We've got you covered with a wide variety of boxes, tape and other moving supplies available onsite. Check out our units page for regularly offered discounts and promotions. Questions? Get in touch with our professional onsite storage experts – we’re here to make things easier for you!

Visit our Features page to learn more about how you can make the most of your storage space at Advantage Self Storage in Rockville, Maryland. 

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A customer packing up household items near Castle Mini Storage in Rockville, Maryland,