20×20 Garages: Are They Big Enough?

Regardless of your situation, if you need a place to store your vehicle(s), or if you run out of space in your basement and need some extra storage space, a garage can help you out tremendously. However, is a 20×20 garage the right size for you?

Is 20×20 a Good Size for a Garage?

How many square feet is a 20×20 garage?

20×20 garages are equal to 400 square feet. But you must be careful because depending on the way that the company measures the length and width of the garage, these measurements may be inaccurate. This may happen if they decide to measure from the corners of the roofs eves instead of the exterior wall corners, which can significantly decrease your square footage.

Is 20 feet deep enough for a garage?

20 feet is deep enough to fit one car lengthwise and still have space for some extra storage. Considering that the average car length is approximately 15 feet, and accounting for the 1 foot of space taken up by the walls, you end up with around 4 feet of space between the car and the back wall for you to use as possible storage. So long as you are parking an average size sedan your car will fit, if you have a bigger car, you may want to consider a lengthier garage.

Can you fit 2 cars in a 20×20 garage?

You can fit 2 cars in a 20×20 garage, so long as each wall is 6 inches thick or less, 20×20 garages will fit 2 average size cars, which are approximately 15 ft. long and 6 ft. wide, giving you a square footage of 90. So, 2 cars would be equal to 180 square feet of space which can easily fit in the 400 square feet of space within the garage. If your car is less than 18 feet long and 8 feet wide, you should be able to fit two cars with no issue.

Types of 20×20 Garages

20×20 Garage Kits

Prefab 20×20 Garages

Custom-Built 20×20 Garages

20×20 Garage Materials

20×20 Metal Garages

20×20 Wooden Garages

20×20 Vinyl Garages

How much does a 20×20 garage cost?

20×20 Garage Kit

A 20×20 garage kit is your cheapest option for a 20×20 garage, this is because a garage kit only includes the materials needed to put together the building and you need to do all the labor yourself. Prices begin at around $5,000.

Fully Prefabricated 20×20 Garage

A fully prefabricated 20×20 garage is your second cheapest option, this is because a fully prefabricated garage is already fully built before being placed on the property which saves you the labor but costs more than a garage kit, with prices starting at around $16,000.

Check out some of our fully prefabricated double-wide buildings below!

Partially Prefabricated 20×20 Garage

A partially prefabricated 20×20 garage is your third cheapest option, this is because the garage is partially built before being placed on the destination property, which creates the need for more labor, but also adds extra options for customizability. Prices begin at around $18,000.

Custom-Built 20×20 Garage

A custom-built 20×20 garage is going to be your most expensive option, this is because nothing is prefabricated and the whole garage is assembled on-site, which also allows for full customizability. Prices begin at around $20,000.


            To conclude, a 20×20 garage should be big enough for most people. Unless you are trying to store a limousine or a monster truck, you should have more than enough space for 2 cars and your equipment and other possessions.