Castle Mini Storage


Reserve Online
or Call 1-855-846-5507
Castle Mini Storage
12040 Parklawn Drive
Rockville, MD 20852
(855) 846-5507

Castle Mini Storage's secure facility is less than 4 miles from downtown Rockville and also close to North Bethesda, Aspen Hill and Wheaton-Glenmont. Find us at 12040 Parklawn Drive, just off Rockville Pike. We offer such amenities as 24 hour access, 24 hour video surveillance, convenient drive-up access units, and online bill pay.

Office Hours
Sun 11:00 PM - 11:00 PM
Mon 9:30 AM - 6:00 PM
Tue 9:30 AM - 6:00 PM
Wed 9:30 AM - 6:00 PM
Thu 9:30 AM - 6:00 PM
Fri 9:30 AM - 6:00 PM
Sat 9:00 AM - 5:00 PM
Access Hours
Sun 12:00 AM - 11:59 PM
Mon 12:00 AM - 11:59 PM
Tue 12:00 AM - 11:59 PM
Wed 12:00 AM - 11:59 PM
Thu 12:00 AM - 11:59 PM
Fri 12:00 AM - 11:59 PM
Sat 12:00 AM - 11:59 PM

    Features

  • 24-hour access
  • Video cameras on site
  • Moving supplies for sale
  • Spanish speakers on staff
  • Email billing available
  • Accepts mail/packages for tenants
  • Rent due on 1st of each month
  • Auto-pay available
  • Insurance required
  • Homeowners/renters insurance accepted
  • Cash accepted
  • Checks accepted
  • Credit cards accepted (Visa, Mastercard, AMEX, Discover)
  • Allow 18-wheeler dropoff
  • Has 18-wheeler alleys
  • 10% military discount (active-duty, reserves)
  • 10% senior discount
  • Castle Mini Storage
  • Castle Mini Storage
  • Castle Mini Storage
Castle Mini Storage Castle Mini Storage Castle Mini Storage

4' x 8'
$1 Pays 1st Month's Rent
  • Swing door
  • Interior
($75.00)
$51.00
per month
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5' x 10'
$1 Pays 1st Month's Rent
  • Swing door
  • Interior
($95.00)
$65.00
per month
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5' x 15'
$1 Pays 1st Month's Rent
  • Swing door
  • Interior
($121.00)
$91.00
per month
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7.5' x 10'
$1 Pays 1st Month's Rent
  • Swing door
  • Interior
($121.00)
$101.00
per month
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10' x 10'
$1 Pays 1st Month's Rent
  • Roll up door
  • Interior
($145.00)
$125.00
per month
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10' x 10'
  • Roll up door
  • Outdoor access
$217.00
per month
Reserve Now
7.5' x 15'
  • Roll up door
  • Drive up
  • Outdoor access
$235.00
per month
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15' x 20'
  • Roll up door
  • Drive up
  • Outdoor access
($449.00)
$419.00
per month
Reserve Now
Rating
Rating of 4.5
By
Seth Goodman
Review
Great so far. Grew up across the street in an apartment complex always saw this place
On
08/25/2025
Rating
Rating of 0.5
By
DEANNA JOHNSON
Review
After nearly 15 years of on time payments at this mediocre facility, I am disappointed with the return loyalty (or lack thereof) from Castle Self Storage. They would not entertain a payment plan after I explained my loss of income and asked for grace. I could see if I were a trouble customer who never paid on time, but ths is not the case. I had to borrow from several different sources just to keep them from selling my possessions. I will be removing my belongings and will never again patronize this business. Nor will I recommend them to anyone.
On
07/21/2022
Rating
Rating of 5.0
By
Nelson Gaitan
Review
Great location, easy access . So far I have no complaints ……..
On
07/16/2022
Rating
Rating of 4.0
By
Nicole
Review
Customer service staff is very friendly and helpful.
On
07/10/2021
Rating
Rating of 5.0
By
Max
Review
This place was just what I was looking for and received the best Customer service ever at a storage rental.
On
04/22/2020
Self Storage Frequently Asked Questions

What size storage unit do I need?


5' x 5' Storage Unit
It is approximately 25 square feet of space. This size typically holds the contents of one room or a large home closet. It is an excellent size to store seasonal items, garden tools, clothes, office supplies, suitcases, and miscellaneous boxes.

5' x 10' Storage Unit

It is approximately 50 square feet of space. This size typically holds the contents of one room or an office. You can store small amounts of furniture, chairs, a mattress, kitchen appliances, and boxes.

5' x 15' Storage Unit

It is approximately 75 square feet of space. This type of unit is suitable for the contents of a one-bedroom apartment, including major appliances.

10' x 10' Storage Unit
It is approximately 100 square feet of space, about the size of a standard one-car garage. It holds the furnishings of a one-bedroom or small two-bedroom apartment, including major appliances.

10' x 15' Storage Unit

It is approximately 150 square feet of space. It holds the furnishings of a large two-bedroom apartment or a smaller home. It is great for storing large furniture and appliances.

10' x 20' Storage Unit
It is approximately 200 square feet of space. It holds the entire contents of a three or four-bedroom home up to 2000 square feet. It can also hold compact full-size vehicles and boats.

10' x 25' Storage Unit

It holds the contents of a large home, roughly 4 or 5 bedrooms, including large furniture, garage items, and major appliances.


What is the height of the storage units?

Storage units are approximately 8 feet high.


Do I need to rent a climate controlled unit?

If you have delicate items such as musical instruments, computers, pictures, or antique wood furniture, it is recommended to select a climate-controlled unit. Climate-controlled storage units protect against rust, corrosion, mold, cracking, and warping.


What’s the difference between an indoor and an outdoor unit?
An outdoor storage unit has direct access and is usually drive-up accessible. An indoor unit is located within a building.


What items can't be put in a storage unit?

Most storage facilities will not let you store firearms, perishable items, liquids, illegal drugs, flammable and hazardous materials, live animals, or plants.


Are my items insured while being in a storage unit?

You are responsible for the items you store. The storage facility's insurance protects the location that houses the storage units, not the contents of individual units. If your homeowner's insurance doesn't cover your items, the facility manager can usually help you sign up with an insurance provider.


Can I use my renters insurance for a storage unit?

Anything your renter's insurance policy covers under usual conditions will be covered in your storage unit. Usually, renter's insurance will cover items in a unit up to 10% of your policy limits, but it does not include natural disasters. However, there may be exceptions to this, so check with your insurance company to see if you're covered.


What do I need to bring with me when to rent a unit?

You will need a government-issued photo ID (driver’s license, state ID, or passport) to complete your storage unit rental agreement.


Can I access my unit anytime I want?

Most storage locations are open 365 days a year, but access hours may vary. During access hours, usually between 6 am and 10 pm seven days a week, you can access your unit using your individual gate code. During office hours, company employees are available to answer questions and provide on-site support.


How long can I rent a unit?

Most rental contracts are month-to-month agreements billed in one-month increments. No long-term lease is required unless the customer requests it.

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