(608) 498-3949
(608) 498-3949

Self Storage Facility - Cityside Storage

Call us or rent storage below and move in today!

Self Storage in Wisconsin near Castle Rock Lake, New Lisbon, Mauston, Tomah, Fort McCoy, Necedah, and Lake Petenwell areas

Proudly Serving Multiple Locations in Wisconsin

Castle Rock Lake and Mauston Area


N7068 & N7079 State Road 58, New Lisbon, WI  53950


Necedah and Lake Petenwell Area


1811 North Main Street, Necedah, WI  54646



New Lisbon Area off I90/94

220 Welch Prairie Road, New Lisbon, WI 53950


Mauston Area

N4271 19th Avenue East (right off of Hwy 82)

Tomah Area off I90/I94

105 Sime Avenue, Tomah, WI  54660

Storage Condos


Need more space?  Need a very large door?

Want all your toys in one location?

20ft x 40 ft and 20ft x 50ft storage condos with a 14ft door and electricity

 BRAND NEW - Available NOW

Why Use Cityside Storage?

Customer Service

It is our dedication to customer service. We are committed to offering you exceptional value for your hard earned money here in the Castle Rock, Mauston, Lake Petenwell, New Lisbon area.

Rent and Pay Online

Our website is easy to use and has all the features for a rich interactive experience. We make renting storage units easy and hassle free!

All The Convenience And Security You Need

24 Hour Access
Great Customer Service
Onsite Security Lighting
Online Bill Pay
Variety of unit sizes available
Drive-up Access

Castle Rock Lake and Mauston Storage

Lake Petenwell Storage

New Lisbon and I94 Storage

Necedah Storage

Tomah Storage

Mauston Area Storage

Our Promise To You

Security

We take the security of your stuff 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

Convenience

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

Storage Unit Blog

5 Signs You've Outgrown Your Garage (and It's Time for a Storage Unit)

Published on 7/30/2026

Garages are designed for vehicles—not piles of boxes, ATVs, lawn equipment, and seasonal gear. Here are five signs you've outgrown your garage and how a storage unit can help you reclaim your space.

Protect Your Storage Unit from Wisconsin Summer Humidity

Published on 7/17/2026

Keep your belongings safe from Wisconsin's summer humidity. Learn simple tips to prevent mold, mildew, moisture damage, and musty odors while your items are in storage.