Storage Unit Sizes at A to Z Mini Storage – Flexible Options to Fit Your Needs

At A to Z Mini Storage, we understand that every customer’s storage needs are unique. That’s why we offer a variety of storage unit sizes to accommodate everything from a few boxes to the contents of an entire home or business. Conveniently located near old town Butte, Montana, our clean, secure, and affordable storage units provide the perfect solution for residents and businesses throughout the area.

Choose the Right Size Storage Unit for Your Belongings


Whether you’re storing seasonal items, business inventory, or bulky furniture, we have a unit size that fits your needs perfectly. Our variety of options ensures you only pay for the space you require—no more and no less.

5 x 5 Storage Units

Ideal for small storage needs, our 5 x 5 units are perfect for:


  • Storing seasonal items like holiday decorations
  • Keeping important documents and files safe
  • Housing small furniture pieces or boxes



These compact units make decluttering simple and affordable, offering just enough space to store your essentials without taking up unnecessary room.

5 x 10 Storage Units

If you need a bit more space, our 5 x 10 units are great for the following:


  • Small apartment furnishings
  • Boxes of clothing, books, or household goods
  • Sports and recreational equipment


The extra space lets you keep your belongings organized and accessible while staying within an affordable budget.

10 x 10 Storage Units

Our 10 x 10 units provide ample room for larger storage requirements, such as:


  • The contents of a one-bedroom apartment
  • Appliances, furniture, and medium-sized equipment
  • Business inventory or supplies


These units offer a flexible size for individuals or businesses with moderately sized storage needs.

10 x 20 Storage Units

For extensive storage needs, our largest 10 x 20 units can comfortably hold:


  • The contents of a multi-room house
  • Large business inventory or equipment


This size is ideal for customers who require generous space without compromising on security or convenience.

Clean, Secure & Affordable Storage Facilities

Beyond offering a variety of sizes, A to Z Mini Storage ensures that every storage unit is clean, well-maintained, and secure. Our gated facility is well-lit and monitored, giving you confidence that your belongings remain safe at all times. On-site management is available to assist you, answer any questions, and keep the property in excellent condition.


Despite these high-quality features, we keep our prices competitive and affordable for customers throughout Butte and the surrounding communities.

Special Offer: Pay for a Year, Get the 13th Month Free


We value our customers and want to provide added value with your storage rental. That’s why we offer an exclusive deal: if you pay for a full year of storage in advance, you’ll receive the 13th month absolutely free! This promotion helps you save money while enjoying the convenience and security of our facility for an entire extra month at no additional cost.

How to Pick the Right Storage Unit Size

Not sure which size is best for you? Our friendly on-site staff at A to Z Mini Storage is here to help. We can evaluate your storage needs and recommend the unit size that provides the most efficient use of space and fits your budget. This personalized service ensures you get just the right amount of room for your belongings—no wasted space, no unexpected expenses.

Reserve Your Storage Unit Today

Ready to take the next step? Whether you need a compact 5 x 5 unit or a spacious 10 x 20, A to Z Mini Storage offers the sizes, security, and affordability you need to store with confidence in Butte, Montana.

Contact us today at 406-782-3349 or visit our facility near old town Butte to learn more about available unit sizes, pricing, and our special year-long rental discount.