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(636) 452-5660

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

Self Storage 30 - 600 Sq. Ft.
★★★★★
★★★★★
4.9/5 - 555 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
Roll-Up
First Floor Access
Drive-up Access
Outdoor Access
$115/mo
Small Storage Unit
5x15
Self Storage
75 Sq. Ft.
Roll-Up
Outdoor Access
First Floor Access
Drive-up Access
$49/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Roll-Up
Outdoor Access
First Floor Access
Drive-up Access
$85/mo
Small Storage Unit
5x10
Self Storage
50 Sq. Ft.
Climate-Controlled
Roll-Up
First Floor Access
Drive-up Access
$49/mo
Small Storage Unit
5x6
Self Storage
30 Sq. Ft.
Roll-Up
Outdoor Access
First Floor Access
Drive-up Access
$59/mo
Medium Storage Unit
10x16
Self Storage
160 Sq. Ft.
Climate-Controlled
Roll-Up
Outdoor Access
First Floor Access
Drive-up Access
$245/mo
Medium Storage Unit
10x16
Self Storage
160 Sq. Ft.
Roll-Up
Outdoor Access
First Floor Access
Drive-up Access
$199/mo
Medium Storage Unit
10x15
Self Storage
150 Sq. Ft.
Roll-Up
First Floor Access
Outdoor Access
Drive-up Access
$175/mo
Medium Storage Unit
10x14
Self Storage
140 Sq. Ft.
Climate-Controlled
Roll-Up
$190/mo
Medium Storage Unit
10x14
Self Storage
140 Sq. Ft.
Roll-Up
Outdoor Access
First Floor Access
Drive-up Access
$159/mo
Medium Storage Unit
10x12
Self Storage
120 Sq. Ft.
Roll-Up
Outdoor Access
First Floor Access
Drive-up Access
$99/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Climate-Controlled
Roll-Up
$185/mo
Medium Storage Unit
10x10
Self Storage
100 Sq. Ft.
Roll-Up
Outdoor Access
First Floor Access
Drive-up Access
$90/mo
Large Storage Unit
20x30
Self Storage
600 Sq. Ft.
Roll-Up
First Floor Access
Outdoor Access
Drive-up Access
$650/mo
Large Storage Unit
10x25
Self Storage
250 Sq. Ft.
Roll-Up
Outdoor Access
First Floor Access
Drive-up Access
$112/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Climate-Controlled
Roll-Up
Drive-up Access
Outdoor Access
First Floor Access
$249/mo
Large Storage Unit
10x20
Self Storage
200 Sq. Ft.
Roll-Up
Outdoor Access
First Floor Access
Drive-up Access
$105/mo

Amenities

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

What customers are saying

★★★★★
★★★★★
4.9/5 - 555 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.

★★★★★
★★★★★
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 at 2770 Highway K in O' Fallon, MO, this A1 U Store It facility offers storage solutions designed to accommodate a wide range of needs. With small, medium, and large units available, it’s easy to find the right size for household items, business inventory, or seasonal belongings. All units feature roll-up doors, ensuring easy access and efficient use of space.

This facility provides climate-controlled units, which are especially useful in O’ Fallon’s varying temperatures, protecting sensitive items like electronics, antiques, and documents from extreme heat or cold. The property also has drive-up access, indoor access, and first-floor access, making the loading and unloading process convenient. Security is a priority, with security cameras and an onsite manager to help ensure peace of mind. Additional amenities include parking, making it ideal for vehicle or RV storage, and a secure gate for controlled access.

For added convenience, this facility accepts credit card payments, offers online payment options, and has moving supplies available onsite. This A1 U Store It facility stands out for its combination of practical amenities and secure accommodations, making it an excellent choice for residents and businesses in O' Fallon needing reliable storage solutions.

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Contact for Details

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SELF STORAGE
3.6 miles away

Storage units in nearby cities

Here is how O' Fallon, MO, compares to other nearby cities. Overall, there are many other great self storage opportunities in the area. Maryland Heights, MO, is just 16 miles away and has 1 storage facility. Monthly rents there start at $45. However, you could also drive to Bridgeton, MO, which is 17 miles away and which also offers storage units for as little as $30. Hazelwood, MO is also just 19 miles distant. Listings there show no less than 4 facilities, with unit prices starting from $17. Looking a bit further away, storage facilities in Ellisville, MO, and Saint Ann, MO, have multiple types of units available, with monthly costs starting at $12 and $7, respectively.

Storage units in Maryland Heights, MO Within a 16-mile radius
1 Facility
From $45/mo
Storage units in Bridgeton, MO Within a 17-mile radius
4 Facilities
From $30/mo
Storage units in Hazelwood, MO Within a 19-mile radius
4 Facilities
From $17/mo
Storage units in Ellisville, MO Within a 19-mile radius
4 Facilities
From $12/mo
Storage units in Saint Ann, MO Within a 20-mile radius
2 Facilities
From $7/mo
Storage units in Overland, MO Within a 22-mile radius
5 Facilities
From $20/mo
Storage units in Manchester, MO Within a 22-mile radius
1 Facility
From $47/mo
Storage units in Berkeley, MO Within a 22-mile radius
1 Facility
From $25/mo
Storage units in Valley Park, MO Within a 24-mile radius
3 Facilities
From $34/mo
Storage units in Ferguson, MO Within a 24-mile radius
1 Facility
From $70/mo
Storage units in Kirkwood, MO Within a 25-mile radius
1 Facility
From $43/mo
Storage units in Eureka, MO Within a 25-mile radius
4 Facilities
From $15/mo
Storage units in Rock Hill, MO Within a 25-mile radius
1 Facility
From $30/mo
Storage units in Brentwood, MO Within a 26-mile radius
1 Facility
From $43/mo
Storage units in Jennings, MO Within a 27-mile radius
1 Facility
From $60/mo
Storage units in Webster Groves, MO Within a 27-mile radius
1 Facility
From $34/mo
Storage units in Maplewood, MO Within a 27-mile radius
2 Facilities
From $31/mo
Storage units in High Ridge, MO Within a 27-mile radius
3 Facilities
From $38/mo
Storage units in Crestwood, MO Within a 27-mile radius
2 Facilities
From $24/mo
Storage units in Murphy, MO Within a 28-mile radius
3 Facilities
From $35/mo

Check out storage units in trending cities

If you want to see how your city compares to others, you can start by checking out other facilities in trending cities. A wide array of storage units can be leased in Kansas City, MO, Saint Louis, MO and Springfield, MO, where sizes and amenities may vary. Monthly rents for units in these cities are as low as $17, $8 and $31, respectively.

Storage units in Kansas City, MO
53 Facilities
From $17/mo
Storage units in Saint Louis, MO
16 Facilities
From $8/mo
Storage units in Springfield, MO
48 Facilities
From $31/mo
Storage units in Saint Charles, MO
22 Facilities
From $15/mo
Storage units in Independence, MO
14 Facilities
From $14/mo
Storage units in Florissant, MO
10 Facilities
From $19/mo
Storage units in Ballwin, MO
7 Facilities
From $12/mo
Storage units in Lee's Summit, MO
10 Facilities
From $37/mo
Storage units in Saint Peters, MO
5 Facilities
From $15/mo
Storage units in Chesterfield, MO
2 Facilities
From $25/mo
Storage units in Wentzville, MO
6 Facilities
From $20/mo
Storage units in Fenton, MO
6 Facilities
From $35/mo
Storage units in Creve Coeur, MO
2 Facilities
From $42/mo
Storage units in Oakville, MO
1 Facility
From $63/mo
Storage units in Blue Springs, MO
6 Facilities
From $30/mo
Storage units in Liberty, MO
8 Facilities
From $40/mo
Storage units in Arnold, MO
2 Facilities
From $44/mo
Storage units in Affton, MO
2 Facilities
From $23/mo
Storage units in Belton, MO
9 Facilities
From $48/mo
Browse storage units in all Missouri cities.

Frequently Asked Questions

Storage units available at A1 U Store It Self Storage - 2770 Highway K include the following amenities: Climate-Controlled, Indoor, Drive-Up Access, Retail Available, Onsite Manager, Security Camera, Gate, Parking, Credit Cards Accepted, First Floor Access and Online Payment. Depending on what you need to put away in storage, you can discover there are some things you absolutely need, so make sure you check with the facility manager that you'll find everything you need on site.

This particular storage facility provides self storage units of different sizes, ranging from 30 to 600 square feet. Space is not an issue! If you have more belongings to store, or simply bulkier items or even vehicles, you should go for larger storage units.

You already know how much stuff you need to put in self storage, so figuring out the unit size you need is the next step. Smaller units such as 5'x5' or 5'x10' spaces can usually be filled with the amount of items you would normally store in a closet: a few chairs and lamps, sports equipment, garden tools and some boxes.

Moving on to larger sizes, imagine the 10'x10' and 10'x15' units as similar to a bedroom or a living room – larger pieces of furniture, sturdier equipment and bicycles can fit here. Finally, a 10'x20' unit has enough space for the contents of a 3-bedroom house, while the larger 10'x30' space easily accommodates the contents of a loaded semi-truck.

Monthly prices for units offered by A1 U Store It Self Storage - 2770 Highway K start from $49 and can go up to $650 for larger spaces.

Accessibility and quickness are key when it comes to storage, so drive-up storage units are generally regarded as very convenient. Pull your car right up to your storage space, load, unload, and you're good to go! However, if you're mostly storing temperature-sensitive items, you should rather consider indoor storage units.

Climate-controlled units maintain consistent temperatures and humidity levels all year round, making them perfect for all your sensitive items. Moisture and varying temperatures can damage a whole host of things, and that is why a lot of people choose to use climate-controlled units to store items like wooden furniture, electronics, artwork, documents and photographs, collectibles, antiques, etc. If the belongings you're storing are important to you, you should consider renting a climate-controlled unit.