Climate-Controlled Self Storage Units in O’Fallon, MO

A1 U Store It at 2770 State Hwy K

Office Hours
Monday to Friday9:00 AM - 5:00 PM
Saturday9:00 AM - 3:00 PM
Gate Hours
Monday to Sunday6:00 AM - 10:00 PM
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Premium Climate-Controlled Storage Units for Less

Serving O’Fallon, St. Peters, Dardenne Prairie, All Saints Village, Cottleville, Howell, Weldon Spring, and Lake St Louis, MO

Meet Our Managers

At A1 U Store It, we pride ourselves on customer service. Our team has over 100 years of combined customer service experience with many of those years working directly in the self-storage industry. We are the storage experts! This isn’t just a job for us.

It’s who we are. Helping our customers and providing a solution to their needs is our passion. Come by one of our six convenient locations today and let our friendly staff assist you with all things storage!

Secure Storage Units on Hwy K Just North of 364

The security of your belongings is our top priority! The storage facility at A 1 U Store It - O’Fallon is built to deter thieves and vandals and to give you peace of mind every time you leave the lot.

Every self storage unit is watched over by our 24/7 surveillance cameras. The entire lot is surrounded by high-quality fencing, and entry is only granted through our coded-access security gate.

This ensures only our tenants and our staff can get onto the lot!

Get started renting today to lock in great rates on a secure storage unit near you.

Premium Storage Units Near You

No matter the reason you need storage, A 1 U Store It - O’Fallon is here to help. We’ve built an incredibly secure facility outfitted with climate-controlled self storage units to keep your stuff safe from all sorts of dangers. We’ve got room for your extra furniture, appliances, bedding, clothing, documents, heirlooms, and more!

A 1 U Store It - O’Fallon offers a wide range of storage units, including climate-controlled options, so you can find a unit that matches your needs. Check out our sizing guide to see how much space your stuff is going to take, then get started renting! With our online rentals, you could be done in minutes.

Climate-Controlled Storage Units

Protect your belongings from heat and humidity with A 1 U Store It - O’Fallon

Climate-controlled self storage units maintain a certain temperature range inside, no matter what the weather’s like!

This is perfect for delicate items or anything susceptible to mold and mildew.

Upgrade to one of our climate-controlled storage units if you’re storing:

  • Furniture
  • Clothing
  • Bedding
  • Electronics
  • Appliances
  • Musical instruments
  • Books
  • Heirlooms
  • Antiques

Frequently Asked Questions

Our team of self storage pros is ready to help you store!

See all FAQs
What is self storage and how does it work?

Renting a storage unit is a great solution to clear up some much-needed space at home or to hold much needed business items. All of our storage facilities offer clean, secure storage solutions at affordable prices.

How much does self storage cost?

Our rates vary between unit sizes and type of storage. For more information about our pricing, check out our rates page.

Please contact us if you have any additional questions about renting a unit.

What should I ask when comparison shopping?
  • What are the TOTAL move in fees, including rent and when are these due?
  • How much notice do I need to give prior to vacating?
Are there any items that I am NOT able to store?

Liquids, explosives, flammable liquids, toxic materials, and perishables. Please contact us if you have any questions regarding a specific item.