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One-Car Garage Sizes: The Complete Guide

how large is a one car garage

One car garages come in many shapes and sizes. Some come with an A-roof, others with a Gambrel roof and all offer advantages and disadvantages. But one of the basic questions when considering a one car garage might be:

How large should a one-car garage be?

The minimum size of a one-car garage should be 10×18 but most cars will require a garage that is at least 12×20. If you are driving a Smart Car, then a 10×12 might work! But otherwise, even the most compact cars will require a 20-foot long garage to fit inside comfortably. You don’t want to be crashing into the wall while backing your vehicle into the garage!

The garage photo above features an 18×26 One Car Garage with an extra wide garage door and plenty of overhead space. 

Table of Contents

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Width:
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Style:

12x36 Workshop (A Frame) w Smart Panel T111 Siding

Building Type: Premier Garden Shed

Base Price: $13679

16x44 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $22184

16x40 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $20527

16x36 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $18870

16x34 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $18047

16x32 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $17211

16x28 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $15557

16x22 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $13076

14x48 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $14614

14x44 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $13564

14x40 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $12513

14x34 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $10940

14x32 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $10418

14x28 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $9369

14x22 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $7800

12x48 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $11829

12x44 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $10963

12x34 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $8802

12x32 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $8367

10x26 Workshop w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $5747

16x48 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $25267

16x44 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $23540

16x40 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $21805

16x36 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $20071

16x34 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $19203

16x32 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $18340

16x30 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $17472

16x28 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $16605

16x26 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $15737

16x24 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $14868

16x22 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $14005

14x48 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $16267

14x44 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $15090

14x40 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $13919

14x36 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $12745

14x34 Saltbox w Smart Panel T111 Siding

Building Type: Standard Shed

Base Price: $12156

What if I want more Space inside my One-Car Garage?

That is a great question. In the example to the left, you can see a larger vehicle such as a full-sized pickup inside a 25-foot long garage. It is easy to see there is little room left for a workbench and other needs.

If you want extra space besides your space for a vehicle then you’ll need to do some extra planning. Make sure you measure your car or truck first, then decide on the best size for your one car garage and the extra space you need. 

A-One Car Garage with Office Space

Now let’s get creative. How about a 16×20 One Car Garage with an extra space for a home officeart studio or man cave?  You could store the vehicle in the garage and then have a space to tinker or gather with friends in the other section. Or use the extra space as a workshop and storage space. Add a workbench and some shelves and you’ll have the garage/workshop of your dreams!

one car garage with office space

Let’s look at more possibilities for your very own prefab one car garage.

Choosing the Right Sized One Car Garage

When you are deciding on the best size for a one car garage, ask the question

What am I going to store besides a car?

If the only thing you need room for in your single car garage is… a car… you may be able to get by with a smaller option. Here are a few examples of one-car garages of different sizes. We start by going from small to large, with less space to more space.

A-One Car Garage for your Smart Car

Smart cars are about all you’ll be able to fit into this Mini One Car Garage. At 10×12, this Standard Workshop Garage will give you space for a smart car and maybe a shelf on the back wall for storing some extra stuff. This tiny one-car garage would also be a good fit for a small tractor or lawnmower as well as other garden tools. 

very small one car garage

This One Car Garage is so small that we don’t even have a price for it on our website. If you want prices, request a customized quote via our form

The Dutch Barn One Car Garage

Next, we take a giant step forward to the Dutch Barn Garages. Not every garage offers the same interior storage space even when the footprint is equal. Here, you see a Dutch Barn Garage that offers more interior height than most of our single story one car garages. The high barn roof design means you’ll have more space for storage in the loft area and less clutter on the floor. 

Get this garage if you want plenty of space for a loft.

what size one car garage pa ny nj

Get Even More Space in a Two Story Garage

Maybe you don’t want to take up a lot of space from your property but you need lots of storage space. The Legacy Two Story MaxiBarn takes us to a whole new level (literally) and gives you almost double the storage space with a full second floor and a stairway with easy access.

buy a two story premade garage

This building can be quickly assembled on your site and you can be enjoying extra space in a matter of hours after our team arrives. 

Use a Double Wide for Your One Car Garage

Using a Modular Garage like the 20×24 above for a one car garage has definite advantages for the homeowner looking for storage space.

20x40 double wide garage 1

Now you can pull your vehicle inside while also having room for the mower, your bikes, utility vehicles, and much more. These modular garages are also ideal to be used as two-car garages by installing two garage doors. 

Final Words on How Large a Single Car Garage Should Be

Look at your needs, a balance that with space you have available for single car garage, look at your budget, then come see us for the solution to your need for a one-car garage.

All our sheds are customizable to your specifications and we will be happy to sit down with you and create the garage that is the right size for your needs!

And before you go too far, don’t miss what our past customers have been saying. Read the prefab garage reviews on our website and give us a call if you have any questions!

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Create the building of your dreams by customizing a design in 3D. You can also call us at 717-442-3281. We're here to assist you!

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