Storage unit sizes & rates
Sparks Self Storage has 75 drive-up units in three sizes: 10x20 (200 sq ft), 10x30 (300 sq ft) and 10x40 (400 sq ft). All rentals are month-to-month. Call (608) 412-4263 or send the form for today's rate.
Compare
Which size fits?
Square footage and what usually fits, from our own size guides.
| Unit | Floor area | About the size of | Good for | Monthly rate |
|---|---|---|---|---|
| 10x20 | 200 sq ft | the size of a one-car garage | The contents of a multi-room home or apartment, a car, tools and trade equipment, seasonal gear | Call for today's rate |
| 10x30 | 300 sq ft | a large one-and-a-half to two-car garage | The contents of a large home, appliances, motorcycles, a small boat or trailer, business inventory | Call for today's rate |
| 10x40 | 400 sq ft | a large two-car garage | A full home, long-term moves, vehicles and trailers, boats, ATVs and snowmobiles, bulk business storage | Call for today's rate |
The units
Pick a size to see what fits
10x20 storage unit200 sq ft · about the size of a one-car garageSee what fits 
10x30 storage unit300 sq ft · about a large one-and-a-half to two-car garageSee what fits 
10x40 storage unit400 sq ft · about a large two-car garageSee what fits Storing a vehicle, boat or trailer? See vehicle, boat & trailer storage, or read what size storage unit do I need.
FAQ
Size and rate questions
How much does a storage unit cost?
Call (608) 412-4263, send the reservation form or ask the chat assistant and we'll give you today's rate for the size you need.
What sizes of storage units do you have?
How tall are the units?
Most units have 8- to 10-foot ceilings, with room for tall items and stacked boxes.
Can I switch to a different size after I rent?
Yes. Depending on availability, you can transfer to a different size at any time.
Are the units drive-up?
Yes. Our units are ground-level with drive-up access, so you can load and unload straight from your vehicle.
Rent a unit
Reserve your storage unit
Tell us the size you want and when you'd like to move in. We'll call to confirm availability and today's rate.
Talk to a person
Our team answers calls and messages 7 days a week
35068 WI-27
Prairie du Chien, WI 53821