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Our Boat, RV & Self Storage Facility in Rapid City, Box Elder and The Surrounding areas.

Our Boat, RV & Self Storage Facility

At B-21 Self Storage, we are committed to providing a seamless and hassle-free storage experience for customers in Rapid City, Box Elder, and the surrounding areas. Our facility offers a range of storage solutions, including Boat, RV, and Climate-Controlled units, designed to meet your unique storage needs. We take pride in maintaining clean, secure units that are always ready for rent. To make your experience even more convenient, we offer 24/7 online rentals and bill pay, so you can manage everything from the comfort of your home. Explore our available units online, give us a call with any questions, or rent directly through our website for quick and easy service to have access to your unit within seconds. 

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Directions to B-21 Self Storage


Our Storage Facility Pricing Guide

B-21 Storage

2120 N. Elk Vale Rd Box Elder, SD 57719

Small Units

$59

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Medium Units

$89

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Large Units

$139

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RV Units (14x50)

$350

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New Rentals: (605) 591-9183 | Email: James@B21SelfStorage.com

All The Convenience And Security You Need

24-hour Access
Great Customer Service
Onsite Security
Digital Video Surveillance
Online Bill Pay
Variety of Unit Sizes Available
Drive-up Access
Climate Control
Boat & RV Storage
Tenant Protection Available

Our Promise To You

Security

We take the security of our storage facility seriously, and our SSL secure website protects your personal information. Your property is our number one priority. You can rest assured that your property is protected and secure at B-21 Storage!

Customer Service

We are committed to providing you a clean, secure & ready-to-rent self storage units. Our friendly staff provides you with a great storage rental experience from start to finish.

Convenience

Manage your storage unit from the convenience of your own home, 24 hours a day and 7 days a week. Our website makes it quick and easy for you to manage your self storage unit online. Simply log in to your account and you have access to your unit on our website!

Self, Boat & RV Storage Blogs

Know Your Stuff is Safe

Published on 5/25/2022
Whether you’re a veteran in the business or a first-timer, it can be rather easy to overlook important factors when it comes to renting storage. One thing that should be priority when searching for the reasonably-priced and most conveniently located units is the security of the facility you are renting from. Of all the things that happen in daily life, it will alleviate a lot of stress not having to worry about the wellbeing of your belongings.

Customer Benefits Of AutoPay

Published on 12/1/2021
Have you ever wanted to set up an automatic payment plan but have been hesitant because you have never done it before? If your answer is yes, you are not alone. Anyone who has set up an AutoPay plan can tell you that it can be scary the first time, but in reality, it’s extremely beneficial and secure. Here are 4 reasons why: