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(636) 452-5660

A1 U Store It Self Storage - 2770 Highway K, O' Fallon, MO 63368

Self Storage 30 - 600 Sq. Ft.
4.9/5 - 605 Reviews
(636) 452-5660
Location:
2770 Highway K, O' Fallon, MO 63368
All units
Small
Medium
Large
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Units Availability
Small Storage Unit
5x15
Self Storage
75 Sq. Ft.
Climate-Controlled
$90/mo
Small Storage Unit
5x15
Self Storage
75 Sq. Ft.
$70 - $85/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Climate-Controlled
$82/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
$42 - $51/mo
Small Storage Unit
5x6
Self Storage
30 Sq. Ft.
$32 - $39/mo
Medium Storage Unit
10x16
Self Storage
160 Sq. Ft.
Climate-Controlled
$245/mo
Medium Storage Unit
10x16
Self Storage
160 Sq. Ft.
$134 - $163/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
$125/mo
Medium Storage Unit
10x14
Self Storage
140 Sq. Ft.
Climate-Controlled
$144/mo
Medium Storage Unit
10x14
Self Storage
140 Sq. Ft.
$115 - $140/mo
Medium Storage Unit
10x12
Self Storage
120 Sq. Ft.
$102 - $124/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Climate-Controlled
$106/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
$78 - $95/mo
Large Storage Unit
20x30
Self Storage
600 Sq. Ft.
$699/mo
Large Storage Unit
10x30
Self Storage
300 Sq. Ft.
$229 - $279/mo
Large Storage Unit
10x25
Self Storage
250 Sq. Ft.
$196 - $239/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Climate-Controlled
$249/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
$159/mo

Amenities

  • Climate-Controlled
  • Indoor
  • Drive-Up Access
  • Retail Available
  • Onsite Manager
  • Security Camera
  • Gate
  • Parking
  • Credit Cards Accepted
  • Online Payment

What customers are saying

4.9/5 - 605 Reviews

Read some helpful reviews of A1 U Store It Self Storage at 2770 Highway K, shared by real renters with genuine experiences and honest opinions.

SAINADH K. - 24 February 2026
I am a returning customer to the business. Wilma was always cheerful over the phone and always able to help with any questions, and understanding and willing to work when things got tight. Great area, if I need a unit ever again, I know the one spot that I will go first, A1 U Store It. ... Read more
Troy B. - 23 November 2025
My experience with U Store It Storage was very pleasant, I enjoyed working with Wilma.She was very detailed oriented about the process of the rental space and also just a delightful customer service experience.The rental price was reasonable for the unit but I just wish the property was a little larger ... Read more
Keith A. - 25 September 2025
Excellent storage location! Units are clean and the complex is well-lit and access-controlled. Wilma is super friendly and very helpful with addressing any questions or concerns. Would highly recommend this business. ... Read more
Nicole S. - 18 September 2025
Andy R. - 3 September 2025
Really enjoyed the first several months at this location. Unfortunately, as a few other reviews noted, my price went from $91 to over $140! I was told it was an introductory offer, but that was in no way made clear. I was in a smaller unit and moved to a larger unit due to the fair price. With all the new storage facilities in the area, there is no reason for me to pay this exuberant cost. It makes more work for me to move, but I can cut my cost in half. Will be sad to go, but to pay that much more and receive nothing more in return is silly. ... Read more
Jason G. - 15 August 2025
Russ M. - 31 July 2025
*DO NOT RENT* UNLESS you are in a bind for two months. It's a scam. They bring you in with 2 free months then the agreed price of $79 for my unit Then shortly after, raised the price to $125 a month without my consent. It is never discussed. They just send out an email before rent is do. I called and asked to but was lied to and was told its just a early reminder if the bill is late. Then the payment comes out of your account and they tell you that's your new rent. This is sneaky and underhanded. ... Read more
Ahav y. - 30 July 2025
Waymire F. - 29 July 2025
Wilma is a wonderful woman who truly enjoys being able to help her customers out in any way she can. She is full of knowledge and is never hesitant to answer any questions asked of her! I recommend that you choose A1 U Store It in OFallon for any storage needs! ... Read more
Haley M. - 4 June 2025
Wilma was very helpful. She is kind, knowledgeable and extremely helpful. Storage units are very well built. The walls inside go all the way to the roof. Making it more secure. Highly recommended this place. ... Read more
Mr. S. - 9 April 2025
Cole P. - 31 March 2025
We just walked in and Wilma was very friendly. She kindly showed us different units so we could get an idea of what a 10x10 looks like. We loved that it's gated and requires a pin code to get in and out. We went ahead and signed for storage today. Thank you! ... Read more
Rachael B. - 13 February 2025
I’ve had a great experience with A1 U Store It. The facility is always clean, secure, and well-maintained. The staff is friendly, professional, and always willing to help with any questions. The rental process was quick and easy, and I appreciate the convenient access hours. I feel confident knowing my belongings are safe here. Highly recommend to anyone in need of a reliable storage solution! ... Read more
Ashley G. - 6 February 2025
Wilma was very professional and helpful. I was very pleased with her level of service. She took time to show me the unit I would be renting and answered all of my questions thoroughly. I highly recommend U Store It!!! ... Read more
Tim O. - 23 December 2024
Outstanding manager. Extremely friendly. Great little dog. The best storage facility than the big named brand storage facilities that’s taking over. Owner owned and not company owned. Sends friendly reminders of scheduled appointments. A must for the economical minded person. Ask for Wilma (the manager). She’s very helpful. ... Read more
Usmarinecoins - 31 October 2024

Overview

Located in O’Fallon, MO, this U Store It facility on Highway K provides a range of storage unit sizes, including Small, Medium, and Large, to meet diverse storage needs. The availability of climate-controlled units ensures your belongings are protected from extreme temperatures and humidity changes—perfect for safeguarding furniture, electronics, or sensitive items.

This facility offers convenient features such as drive-up access for easy loading and unloading, and indoor storage options for added protection. Enhanced security cameras and an onsite manager contribute to peace of mind by keeping the premises secure. With self storage options for vehicles through its parking amenities, this location is versatile for personal or commercial use.

O’Fallon’s growing community and seasonal weather make this facility a reliable choice for those needing extra space. With self-serve access through a secure gate and online payment options, this facility is ideal for individuals, families, and businesses seeking convenient and secure storage solutions tailored to the area’s unique needs.

Nearby Storage Units

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Storage units in nearby cities

Want to see how O' Fallon, MO, compares to other places? There are plenty of great options nearby. Lake Saint Louis, MO, 6 miles away, has 4 self storage facilities with rents starting from $11/month. Or you could drive to Wentzville, MO, just 8 miles distant to find other options, where the cheapest units in the 6 facilities there can be rented for $15/month. In Maryland Heights, MO, just 16 miles away, there is 1 facility available, offering rents as low as $104/month. Further out, Bridgeton, MO (17 miles away), and Creve Coeur, MO (18 miles away), have 4 and 2 facilities, with minimum rents of $24 and $55, respectively.

Storage units in Lake Saint Louis, MO Within a 6-mile radius
4 Facilities
From $11/mo
Storage units in Wentzville, MO Within a 8-mile radius
6 Facilities
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Storage units in Maryland Heights, MO Within a 16-mile radius
1 Facility
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Storage units in Bridgeton, MO Within a 17-mile radius
4 Facilities
From $24/mo
Storage units in Creve Coeur, MO Within a 18-mile radius
2 Facilities
From $55/mo
Storage units in Hazelwood, MO Within a 19-mile radius
4 Facilities
From $16/mo
Storage units in Ellisville, MO Within a 19-mile radius
4 Facilities
From $14/mo
Storage units in Saint Ann, MO Within a 20-mile radius
2 Facilities
From $7/mo
Storage units in Ballwin, MO Within a 20-mile radius
7 Facilities
From $14/mo
Storage units in Overland, MO Within a 22-mile radius
5 Facilities
From $23/mo
Storage units in Manchester, MO Within a 22-mile radius
1 Facility
From $44/mo
Storage units in Berkeley, MO Within a 22-mile radius
1 Facility
From $21/mo
Storage units in Valley Park, MO Within a 24-mile radius
3 Facilities
From $35/mo
Storage units in Ferguson, MO Within a 24-mile radius
1 Facility
From $75/mo
Storage units in Kirkwood, MO Within a 25-mile radius
1 Facility
From $52/mo
Storage units in Eureka, MO Within a 25-mile radius
4 Facilities
From $40/mo
Storage units in Rock Hill, MO Within a 25-mile radius
1 Facility
From $28/mo
Storage units in Brentwood, MO Within a 26-mile radius
1 Facility
From $42/mo
Storage units in Jennings, MO Within a 27-mile radius
1 Facility
From $74/mo
Storage units in Webster Groves, MO Within a 27-mile radius
1 Facility
From $25/mo

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 Kansas City, MO and Saint Louis, MO, starting from $14 and $16, respectively. Even more storage is available and with low starting rents, in Springfield, MO ($28), Saint Charles, MO ($15) and Independence, MO ($11).

Storage units in Kansas City, MO
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Storage units in Saint Louis, MO
16 Facilities
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Storage units in Springfield, MO
49 Facilities
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Storage units in Saint Charles, MO
22 Facilities
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Frequently Asked Questions

There is a wide array of amenities available for the storage units that A1 U Store It Self Storage - 2770 Highway K has to offer. These amenities include Climate-Controlled, Indoor, Drive-Up Access, Retail Available, Onsite Manager, Security Camera, Gate, Parking, Credit Cards Accepted 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 A1 U Store It Self Storage - 2770 Highway K can satisfy all of your storage needs. Different sizes here range from 30 to 600 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 A1 U Store It Self Storage - 2770 Highway K come at a variety of prices, starting from $32 per month for typically smaller units. However, larger spaces can set you back up to $699 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!