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(303) 457-4100

Mini U Storage - 10350 North Washington Street, Thornton, CO 80229

Self Storage 25 - 200 Sq. Ft.
4.6/5 - 384 Reviews
(303) 457-4100
Location:
10350 North Washington Street, Thornton, CO 80229
All units
Small
Medium
Large
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Units Availability
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Drive-up Access
First Floor Access
$87/mo
Small Storage Unit
5x5
Self Storage
25 Sq. Ft.
Drive-up Access
First Floor Access
$65/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
Drive-up Access
First Floor Access
$208/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Drive-up Access
First Floor Access
$180/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Drive-up Access
First Floor Access
$281/mo

Amenities

  • Drive-Up Access
  • Retail Available
  • Onsite Manager
  • Truck Rentals
  • Security Camera
  • Gate
  • Parking
  • Credit Cards Accepted
  • First Floor Access
  • Online Payment

What customers are saying

4.6/5 - 384 Reviews

Read some helpful reviews of Mini U Storage at 10350 North Washington Street, shared by real renters with genuine experiences and honest opinions.

Mini u storage was great, I came in to rent a unit, was unaware that needed a reservation. Brenda was so sweet and kind was able to still show me a unit and get everything handled.! I was in and out in under 10 minutes with a unit!! ... Read more
Morgan B. - 7 March 2026
armando d. - 23 February 2026
Jose O. - 19 February 2026
Great experience at Mini U Storage in Thornton! The staff was friendly, helpful, and made the whole process easy. The facility is clean, secure, and well maintained. We really appreciate the customer service from Leslie and Brenda. Highly recommend! ... Read more
Beatrice C. - 14 February 2026
had a great experience getting set up with my storage unit! The facility is clean, organized, and easy to access. A special thank you to Brenda in the office — she was incredibly helpful and patient, walking me through the entire process and answering all of my questions. She made everything simple and stress-free. I really appreciate her kindness and professionalism. Highly recommend this location for great service! ... Read more
Tiffany C. - 24 October 2025
first time getting a storage Geneva was so helpful and super nice she was training la Leslie and Brenda who were also very nice and made my experience the best so welcoming from these guys super knowledgeable Geneva is the best definitely give her a raise her multi tasking and her people skills thru the roof ??. ... Read more
Richy C. - 8 October 2025
Indra N. - 3 October 2025
Joshua H. - 31 August 2025
Amazing and friendly staff! My daughter and I had trouble finding the right storage for our items and I found a storage with 2 doors on it! This place is a must for storage unit..... This was posted yesterday when I purchased the unit for a free lock, when I arrived this morning a car was at the gate so I waited, when the car pulled forward I also pulled forward slowly and waited for the gate to close as it was almost closed it began to open again as I started exiting my box truck. I looked in the window and seen the new manager from the Colorado and I-70 store and thought he opened it since I was here to meet him for 2 shelving units I was renting from them. I drove forward and turned off my box truck and started walking towards him. He immediately became hostile and I was trying to explain to him I thought he opened the gate and he still remains hostile. This guy Definitely hates his job and residents. Please if you value your money, respect as a customer, or valuable property please avoid this location at all costs. Not mini u storage just this exact location. Thank you ... Read more
Michael H. - 17 August 2025
Tonyal S. - 3 August 2025
With all the companies that make life so difficult, we found a company that made our truck rental and storage unit rental so simple. So accommodating. Great price. I kept thinking that it wasn't legit because it was too easy, I highly recommend Mini U Storage in Thornton,CO for all your storage and truck rental needs. Ask for Geneva. She's amazing. ... Read more
Brian G. - 26 June 2025
We’ve been looking for storage unit in Thornton, CO. . We stumbled upon Mini U storage. Geneva at the front desk was super friendly and helpful. We got a great deal. Highly recommend this storage facility. ... Read more
Lori M. - 23 June 2025
If you are looking for a inexpensive unit or added security on your things this is the place. Staff is prompt and kind. Totally understanding every storage situation is different. The price are the cheapest I have found in this area and but the completely worth more. I appreciate Mini u being there in my time of need and would recommend this site to anyone looking for storage. Geneva was a doll and provided great customer service. Thank you! ... Read more
Nina C. - 7 April 2025
I had a great experience at Mini U Storage! The staff was super friendly and helpful, and the process was quick and easy. The units are clean and secure, and I really appreciated how convenient everything was. Highly recommend for anyone needing a storage solution! ... Read more
Rebecca P. - 27 March 2025
Unit was filthy. Mouse droppings everywhere and spider webs. Trash. And the back gate was wide open the whole time i was there. Doesn't seem secure. The gentleman that works there was funny and helpful so I will give more than 1 star because that's not so common sometimes these days. The price was def the best around also just FYI. I backed out and had no problem receiving my money back in a few days. ... Read more
Robin L. - 25 March 2025
I’ve been had a storage for much longer than I care to admit, but Mini U Storage has been a delight to work with. They have always been extremely understanding regardless of the situation and they communicate effectively! I am happy to say I’ll be moving my things out at the end of this month, but I appreciate all you have done for me in keeping my most precious valuables. Thank you! ... Read more
Xochitl R. - 25 March 2025
ers2063 - 7 March 2025

Overview

Located at 10350 North Washington Street, this Mini U Storage facility in Thornton, CO, offers a range of unit sizes, including small, medium, and large, to suit various storage needs, whether you're decluttering your apartment or storing larger household items. With drive-up access and first-floor access, moving your belongings in and out is particularly convenient, saving you time and effort.

This facility places a strong emphasis on security, featuring security cameras, a gated entry system, and an onsite manager to provide peace of mind. If you're in need of vehicle storage, the parking options at this location are ideal. Additionally, its retail store offers moving supplies, and truck rentals are available to help make your move smoother.

With features like online payment and acceptance of credit cards, this Mini U Storage facility is a great choice for individuals and families in Thornton looking for flexible and secure storage solutions.

Nearby Storage Units

$51 - $897

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Storage units in nearby cities

Want to see how Thornton, CO, compares to other places? There are plenty of great options nearby. Northglenn, CO, 3 miles away, has 3 self storage facilities with rents starting from $51/month. Or you could drive to Federal Heights, CO, just 6 miles distant to find other options, where the cheapest units in the 4 facilities there can be rented for $15/month. In Broomfield, CO, just 7 miles away, there are 9 facilities available, offering rents as low as $24/month. Further out, Commerce City, CO (8 miles away), and Erie, CO (10 miles away), have 6 and 9 facilities, with minimum rents of $57 and $35, respectively.

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Check out storage units in trending cities

Still looking for the ideal storage unit? For more great self storage options you wouldn't have to cross the state border: units can be leased in Denver, CO and Colorado Springs, CO, starting from $12 and $9, respectively. Even more storage is available and with low starting rents, in Aurora, CO ($20), Fort Collins, CO ($29) and Lakewood, CO ($20).

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Browse storage units in all Colorado cities.

Frequently Asked Questions

There is a wide array of amenities available for the storage units that Mini U Storage - 10350 North Washington Street has to offer. These amenities include Drive-Up Access, Retail Available, Onsite Manager, Truck Rentals, Security Camera, Gate, Parking, Credit Cards Accepted, First Floor Access and Online Payment. Most of these amenities can prove to be very useful depending on what you need to store. For example, climate-controlled units can come in handy for keeping sensitive items, drive-up access can make your loading and unloading process easier, and extra security measures will ensure your items are kept safe at all times.

The storage units offered by Mini U Storage - 10350 North Washington Street can satisfy all of your storage needs. Different sizes here range from 25 to 200 square feet. You can go for smaller units if you don't have a lot of items to store, while choosing a larger space is recommended in case you need to store a lot of furniture, bigger items or even vehicles.

The unit size that you should choose obviously depends on how much stuff you need to store. On the one hand, you should think of smaller units (5'x5' or 5'x10') as closets – they can be used to store chairs, lamps, moving boxes and sports equipment, along with smaller pieces of furniture, books and documents.

On the other hand, the 10'x10' and 10'x15' spaces are good for storing larger items of furniture, bicycles and a larger number of possessions. If you need even more space, then 10'x20' and 10'x30' units can easily accommodate the contents of an entire 3- or 4-bedroom house.

Storage units offered by Mini U Storage - 10350 North Washington Street come at a variety of prices, starting from $65 per month for typically smaller units. However, larger spaces can set you back up to $281 a month.

We know that when it comes to self storage, there is nothing more important than quickness and accessibility. Drive-up access is an extremely convenient amenity, as you can park your vehicle right next to your unit, making it significantly easier to load and unload the items you will use storage for. However, drive-up storage units tend to be outdoors, so you might consider indoor storage spaces with climate control if you're looking to keep temperature-sensitive items in peak condition.

Yes, you might, depending on what you need to put in storage. Climate-controlled spaces keep temperatures and humidity levels consistent all the time, which means they are perfect for storing sensitive items. Seeing that a whole host of things can be damaged by varying temperatures and excessive moisture, many people choose to rent climate-controlled units for personal items such as documents, photographs, paintings, collectibles, electronics, wooden furniture, antiques and even vehicles. If you're looking to store such items that are valuable to you, consider renting a climate-controlled unit!