Mammoth Self Storage

Storage in Fitchburg, WI 53711 USA

We have a state-of-the-art facility with the best customer service around! When you rent from us, you'll have 24-hour access to your belongings. Give us a call or book online today!

Rent Online

Our Two Facility Locations


5189 Anton Drive
Fitchburg, WI 53711


29 & 30 Ellis Potter Court
Madison, WI 53711

Why Use Mammoth Self Storage?

No Security Deposit!

During this time of high prices in our economy we will be waiving all security deposits on our units.  This makes renting from us very affordable.

Book and Pay Online

Our online software is easy to use and has all the features for a rich, interactive experience.

Customer Service

We are a family run business dedicated to customer service. We are committed to offering you exceptional value for your hard-earned money.

Affordable Rates

We keep our prices low for you.  We want to be the perfect place to satisfy your storage needs.

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
Secure Locks
Simple Rental Process

Our Promise to You


We take the security of your property seriously, and our SSL secure website protects your personal information.

Customer Service

We commit to providing you a clean, ready-to-rent unit and friendly, helpful employees.


Access your account from the convenience of your own home, 24 hours a day and 7 days a week.