Storage Unit Calculator

Our handy storage space calculator can help you more accurately determine the size of the Sioux City storage unit you’ll need for your possessions. Just enter the number of items you have in each category. The storage space calculator will automatically calculate the total space needed in square feet. To clear and reset the calculator, just exit the window and click on the calculator button again.

Need to rent a storage unit today? Reserve your Sioux City Storage Unit online and start moving today!

Affordable Self Storage

We serve the Sergeant Bluff, Sioux City and surrounding areas. We have been in business for over 30 years. Our facilities are gated and well-lit for maximum security so that you can store with peace of mind.

Our family owned and operated facilities have friendly staff to greet you and we accept all major credit cards. We offer 3 sites for your storage needs: 2 in Sergeant Bluff on highway 75 at S Lewis Blvd and on 8th street , and 1 in Sioux City on Southgate Dr. For your convenience we are open 7 days a week with onsite offices at our S Lewis Blvd and Southgate Dr locations, and 2 of our locations offer 24 hour unit access.

Call us today for more details on availability or for updated promotion information.


Sioux City
4120 Southgate Drive
Sioux City IA, 51106

Phone: (712) 276-7867

Gate Hours
Mon - Sun
24 hrs.

In Singing Hills 
between Sams Club
& Super WalMart


201 8th Street
Sergeant Bluff IA, 51054

Phone: (712) 943-1285

Gate Hours
Mon - Sun
24 hrs.


204 South Lewis Blvd
Sergeant Bluff IA, 51054

Phone: (712) 943-1285

Office Hours
Mon - Sun
8:00am - 7:00pm

Gate Hours
Mon - Sun
7:00am - 9:00pm


Climate Controlled Storage Sioux City, IA

At Affordable Self Storage, our facilities are fully equipped for your security and peace of mind with a gate and well lit pathways. Take a look at our other storage facility features including climate controlled storage.

  • Individual Door Alarms on All Units
  • Climate Control Available
  • Controlled Access Indoor
  • Outdoor Storage
  • 100% Concrete Construction
  • 700 Various Units
  • Climate Control Available
  • Security Fence
  • Insulated Units
  • On-Site Office
  • Paved Drives
  • Bill Pay Online
  • State-of-the-Art Security
  • Semi-Truck Accessible
  • Well Lit, Secure Areas

Boat Storage & RV Storage Sioux City, IA

Running out of space at home for that boat or RV? No worries! We have plenty of space with boat storage and RV storage. Whether you’re going on a long trip or just looking to store your boat or RV during the Winter months, we have you covered. Affordable Self Storage offers month-to-month leasing options for your convenience and flexibility. Contact us today for Boat Storage and RV Storage spaces today!

Affordable Self Storage has 700 Units available for you to rent in several sizes. No matter what you need to store we have an option for you.

  • 5×10
  • 10×10
  • 10×15
  • 10×20
  • 10×30
  • RV/Boat Storage

For additional information on our exceptional storage unit options, visit:

Affordable North Units Available

Affordable South Units Available

Affordable Sioux City Units Available