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Storage Unit Size Guide

While the size requirements for storing personal belongings may vary depending on the items being stored and the renter’s organization skills, the guide below can be used as a starting point to help determine the appropriate storage size.
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Step One – Select Your Item Sizes

Put together a list of items that can fit in boxes and what size boxes. Don’t forget to include items that cannot fit in boxes.

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Step Two – Categorize Your Items

Make a quick list of items you plan to store, including furniture, appliances, and any awkwardly-shaped items that will not be packed in boxes.
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Step Three – Categorize Your Item Quantities

Determine how many boxes of different sizes you’ll be using. Make a list of all the pieces of furniture and other items you need to store in your unit.
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Step Four – Estimate What Size Unit You Need

Now that you have compiled a list of how many boxes and items you need to store in your unit, use our Size Guide Breakdown below that gives tips and suggestions on what size unit you may need.

Unit Size Guide Breakdown

5x5 storage unit size guide

5’x5′

This compact yet powerful storage unit is perfect for your needs! Our 5×5 units, offering 25 square feet of space, are comparable to a walk-in closet and are ideal for storing household clutter, seasonal items, and small furniture.

Great for storing:

  • Small furniture or appliances
  • Office supplies, business records, and tax files
  • Garden tools, camping gear, or other seasonal decor and equipment
  • Old toys and offseason clothing
5x10 storage unit size guide

5’x10′

Our 5×10, 50-square-foot storage units are highly sought after due to their versatility and functionality. Comparable to the size of a large shed, these units are ideal for storing items from a small apartment or the complete furnishings of a bedroom or office.

Great for storing:

  • Business materials, files, or inventory
  • Seasonal decorations and gear like lawn mowers, snowboards, and camping equipment
  • Bed sets, dressers, and side tables
  • Art pieces, musical instruments, and medium-sized appliances
10x10 storage unit size guide

10’x10′

Our 10×10, 100-square-foot storage units are the perfect size for larger furniture or equipment—not too big, not too small. Comparable to half a standard garage, these units can easily accommodate the belongings of a one-bedroom home.

Ideal for storing:

  • Furniture like sofas, tables, dressers, mattress sets, and coffee or nightstands
  • Electronics and musical instruments
  • Seasonal items such as garden tools, bicycles, skis, and camping gear
  • Office items including desks, chairs, and shelving
10x15 storage unit size guide

10’x15′

A favorite among small families, our 10×15 storage units offer 150 square feet of space, roughly equivalent to a spacious bedroom. These units are perfect for accommodating the belongings of a two-bedroom home.

Great for storing:

  • Large household items like sofas, dining tables, dressers, bedroom sets, and bookcases
  • Major appliances, including washers, dryers, and refrigerators
  • Outdoor gear such as grills, bicycles, skis, and camping equipment
  • Business inventory and office furnishings like desks, chairs, and shelving units
10x20 storage unit size guide

10’x20′

Our 10×20 storage units, offering 200 square feet of space, are ideal if you’re transitioning between homes, preparing your house for sale, or undertaking a major renovation. Comparable to a small garage, these units can easily hold the belongings of a three- or four-bedroom house.

Great for storing:

  • Large household items like sectional sofas, dining tables, mattress sets, dressers, and entertainment centers
  • Major appliances including washers, dryers, and refrigerators
  • Big musical instruments and electronics, such as pianos and televisions
  • Outdoor gear such as lawnmowers, grills, bicycles, skis, and camping equipment
  • Business inventory and office furnishings like desks, chairs, and shelving units
10x30 storage unit size guide

10’x30′

For those in need of significant storage space, our 10×30 units provide 300 square feet, similar to a large garage. These units are spacious enough to accommodate the belongings of a four- or five-bedroom house.

Ideal for storing:

  • Items that are difficult to pack in boxes
  • Oversized furniture like sectional sofas, entertainment centers, and bedroom or dining sets
  • Major appliances including washers, dryers, and refrigerators
  • Outdoor gear such as lawnmowers, grills, bicycles, and small boats or canoes
  • Business inventory and office furnishings such as desks, chairs, and shelving
Great location, easy to access 24-7, set up was easy and staff are always very responsive and helpful with any needs. I upgraded to an indoor, climate control space once they completed the construction but had an outside space for years that was also very functional.
Response from the owner:Leslie - It's fantastic to hear you’ve enjoyed the convenience and flexibility of our storage facility, especially the 24-7 access and smooth setup! We truly appreciate your kind words about our responsive team, and we're happy to know the transition from outdoor to indoor climate control was seamless for you. Your storage journey inspires us! If you ever need anything else or want to share more feedback, we’re always here for you—let us know how we can help keep your experience top-notch.
Derek Pace
2 weeks ago
Response from the owner:Thank you so much for giving us those stars! Our team is always happy to see such awesome feedback.
Hattie Taylor
3 weeks ago
Response from the owner:Thanks for your great 5-star review and we hope you enjoy storing with us!
Debbie Martel
3 weeks ago
Response from the owner:Thanks for the 5-star review and let us know if we can do anything to help make your stay exceptional!
Karen Schwartz
4 weeks ago
Chad and Jessica made a stressful time very easy and pleasant. Amazing facility!
Response from the owner:Thanks so much for your kind review and we're glad you're experience was a good one!
Nancy Zeigel
4 weeks ago
Elizabeth Winn
1 month ago
I had a great experience with Sopris Self Storage. The staff was incredibly polite, friendly, and helpful. The entire process was straightforward, and everything was explained clearly and simply. On a very hot day, a staff member even personally walked me to my unit to make sure I knew exactly how to access it when I returned. That extra touch was much appreciated. Highly recommend Sopris Self-Storage.
Response from the owner:Reading your kind words made our day! We're thrilled you felt welcomed and cared for by our team—it’s exactly the experience we want every guest to have at Sopris Self Storage. If you ever need anything or have any storage questions, just drop by and say hello—we love connecting with our community!
Shawree1
1 month ago
Easy to rent, great staff, price & location! Appreciate you all!!
Response from the owner:Thanks for the 5-Star review Shawree and it's a please to help you with your storage needs!
Marisol Soto
1 month ago
Response from the owner:Thanks for your 5-star review! We're glad to have you and look forward to serving your storage needs.
Michael Madsen
1 month ago
Clean, secure, easy access, and great service!
Response from the owner:Thank you, Michael! We're glad you found Sopris Self Storage clean, secure, and convenient with great service. We strive to make your experience easy and friendly.
So far my experience using Sopris Storage has been great! It was easy to set up and my unit was available in the time that I needed. Clean, safe and easy solution for storage!
Response from the owner:Carolayn, glad your experience with Sopris Self Storage has been great! We’re happy the setup was easy and your unit was ready when needed. Providing a clean, safe, and convenient storage solution is our priority. Thank you for choosing us!
Helena Vasquez
2 months ago
Response from the owner:Thank you, Helena, for your 5-star rating! We're glad you found Sopris Self Storage convenient and friendly.
Viara Enfield
2 months ago
The guy at the front desk was very friendly and helpful, the app is easy to use and the unit is clean and spacious.
Response from the owner:Thanks so much for sharing your kind words about our team and space! We’re so happy you found everything friendly, easy, and spotless—just how we hope everyone feels here. If you ever have any suggestions or need anything at all, just let us know—can’t wait to see you again soon!
john clendenin
2 months ago
Smooth as silk! Great service!
Photo from customer review
Response from the owner:John, glad to hear your experience at Sopris Self Storage was smooth as silk! We strive to provide friendly and convenient service to all our customers. Thank you for your kind words!
Bryan Urrutia
3 months ago
Response from the owner:Thank you, Bryan, for the 5-star rating! Glad you found Sopris Self Storage convenient and friendly.
amy charters
3 months ago
Response from the owner:Thank you, Amy! We’re glad you find Sopris Self Storage convenient and secure for your storage needs.
Elle Seven
3 months ago
Response from the owner:Thank you for the 5-star rating! We’re glad you found Sopris Self Storage convenient and secure.
Excellent services ce by Tamika
Response from the owner:Thank you for highlighting the excellent service you received! We’re glad Sopris Self Storage provided a friendly and secure experience for you.
Dain Fritz
3 months ago
The ladies in the front are fantastic. The facility is very clean and well maintained. My only grip is that corporate is always trying to raise my rate. The rate you are quoted are inducement rates which they try to hike after only a couple of months.
Response from the owner:Hi Dain and thanks for your kind words about our front desk team and the cleanliness of our storage facility! We totally hear your concerns about rate changes—just to share, we usually review rates no more than once a year, and always do our best to keep any increase as modest as possible in line with our own rising costs. If you have any questions or want to chat about your rate, please pop by the office or give us a ring—we’re here to help!
Gail Folwell
3 months ago
Love the (art) mural addition, cleanliness, always tidy grounds, well working gates and key pads.
Response from the owner:Thank you for appreciating the mural addition, cleanliness, and the secure gates and key pads. We’re glad you find the grounds tidy and enjoy your experience at Sopris Self Storage.
Erika Ruiterman
4 months ago
This place is always great, clean and easy to access. Jessica is always so happy and helpful
Response from the owner:Thank you, Erika, for appreciating our clean, easy-to-access facility and the friendly service Jessica provides. We’re glad Sopris Self Storage continues to be a convenient and welcoming place for your storage needs.
Perla Mora
4 months ago
Response from the owner:Thank you, Perla, for the 5-star rating! We’re glad you found Sopris Self Storage convenient and friendly.
j washburn
4 months ago
It's a storage unit
Response from the owner:Thank you for choosing Sopris Self Storage. We aim to provide a convenient and secure storage experience. We appreciate your feedback and hope to make your next visit even better.
Ryan Leto
4 months ago
This place is awesome! Super clean storage units, great security, and an easy to use- high tech system to keep our stuff safe. Chad is awesome as well! Made picking out a storage unit fun and easy! Thank you so much, Chad!
Response from the owner:Thanks so much for your great review Ryan and we're glad you are enjoying the facility. It's great to have you!
Walter Wiegner
5 months ago
Very good in every way
Response from the owner:Thank you Walter! We're lucky to have wonderful tenants like you!