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How Big is a Three Car Garage? (or how big should it be?)

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What is the right size for a 3 car garage?

If you’re tired of parking your extra vehicles outside, squeezing around your spare freezer whenever you want to climb into your car, and having no extra room in your garage for your lawnmower, you may want to consider buying a three-car garage.

But how big should your three-car garage be? You might be asking. You don't want a three car garage built only to wish it had more space for things besides cars! Let me walk you through all the things you should consider when deciding on the dimensions of your three car garage.

24x30 three car garage with attic space

How big is a three-car garage?

The size of a garage can vary, based on how much space you have, how big your cars are, and what else you intend to do with your new garage space. Our prefab garages range anywhere from a small, 20X30 garage to a much larger, 30X53 garage! Read on, and we’ll help you find the three-car garage size that is right for you. The one in the photo is a 24x30 Three Car Garage with attic space

Minimum three car garage size.

At the bare minimum, a three car garage is 20X30. You might choose this size if you have limited land space, and your cars are very small. Another reason you might go with the minimum size is if you need a place to park small equipment, such as lawn mowers and golf carts. However, if you want to park three cars, you should consider going for something no smaller than 24x36 or even bigger. You may be able to squeeze all three of them into a 20x30 three car garage, but it won’t give you much wiggle room or extra storage space.

The average size of a three-car garage.

Your average, everyday detached three car garage will be about 22x32, with those couple extra feet offering just enough breathing room to snugly fit your three cars. However, many people opt to go even larger, in order to comfortably give you space to open the doors without hitting the walls or the car in the next bay. It’s also handy to have extra room for bicycles, or a workbench, or storage space.

What size should my three car garage be?

The first step in deciding how big to make your garage is to look up the dimensions of your vehicles. You should leave at least two feet of space in front of and behind your longest vehicle, two feet between each of your vehicles, and two feet between your vehicle and the wall.

Not the drawings below that show a 24x36 three car garage design

garage with space for three cars

However, sliding in a few extra feet will make things more comfortable for everyone. A width of 36 feet will provide a nice amount of space for three vehicles side-by-side, leaving space to open doors without scratching the vehicles next to you, and room to walk around the vehicles.

Go even bigger to a 24x40 three car garage and I'm pretty sure you won't regret it later. Those few extra feet will be very nice when you need to get in and out of the vehicles sitting inside your three car garage. 

Vehicle length varies much more than width does, so the depth of your garage will vary a lot more depending on the length of your vehicles. You should also consider the size of the largest vehicle you could see yourself driving in the future, even if you don’t currently own one that is that long. The depth of a garage varies anywhere from 20 to 30 feet.

Remember, no one ever complains that their garage is too large!

Other 3 car garage size considerations

What do you want to do with your garage? How you answer this question will also help you determine how large your three car garage should be.

  • How many cars do you want to park? If you only have two cars, you can use the extra bay for your storage needs. But if you have three cars, make sure to add extra space for storage!
  • Will you need extra space to load or unload a wheelchair?
  • Do you want to add storage shelves? Where would you like to place them?
  • Do you want to add an extra freezer or refrigerator?
  • Do you want space for a workbench?
  • How much lawn and garden equipment will you need to store? Do you have a lawnmower? How about a snow blower? How many wheelbarrows do you want to store?
  • What sports do you enjoy? Your garage will be a great place to store your sporting equipment, so make sure you have space for it.

A Luxury Three Car Garage for Antique Cars

Final thoughts on the size of your three car garage

As you look into your three car garage options, remember to allow two feet of wiggle room on all sides of your vehicle, and add extra room for storage as necessary. With your new three-car garage, you will finally have room to store all the things you’ve always needed garage space for, as well as protecting your vehicles from the weather.

Whatever you decide on, we have a three car garage that will suit your needs. Take some time to read our prefab garage reviews, and then fill out our online form and get a free quote today! Or if you’d rather speak to someone in person, call 717-442-3281 to speak to a friendly sales rep about your three car garage options.

Sheds Unlimited Customer Reviews...

Over 450 Reviews

and
4.912245
4.9/5
Average Rating

Good price, quality construction and excellent customer service from sales all the way to delivery. Delivery was on time, courteous and there were no hidden 'extras' etc. Its a no brainer!

Atif from Long Islan

Very satisfied with this shed. Ordered a 10'x18' workshop unit and am 100% happy with the product. Order process was easy and the phone rep was very helpful, and once delivered the delivery man was able to route the 10' wide shed through a narrow 11' space between house and fence, and place it dead center on the stone pad. Good luck finding a cheaper manufacturer for an equal quality product; I couldn't. Would recommend these guys to anyone.

Jason N. from Red Bank, NJ

Good Price, Perfect delivery, exactly what I ordered and exceptional quality. What more can you ask for? Hurricane Sandy came and destroyed our area, but the shed is standing perfect. Thank you Sheds Unlimited!

We are so happy with our 24x40 Legacy 3 car garage. The whole process was easy from planning to delivery. Quality product & great customer service. Absolutely happy!

Jan Comstock from Thomaston, ME

I shopped around for a large shed. Sheds unlimited had great prices and the outstanding quality of the material used was just great. The shed is very well built. I had some special needs for my shed. The shed is a 8x24. I had them install a divider wall in the shed putting 2 double doors on one side and 1 3 foot door on the other side. They made me 4 shelves inside the bigger part of the shed. All my specifications were meet exactly as I had wanted it. The installation was something beyond belief with the mule. The way the delivery man just fit it right in the spot. I have nothing but good comments about Sheds Unlimited. They know their business and did everything just right.

I worked with Sheds-unlimited over the phone. They explained to me how to prep the site. Took about 1 day to level the ground build the base and add the stone.
The Shed showed up as promised in about 20 minutes it was off the truck and in place. What I like the best is everyone knows what they are doing at Sheds-unlimited no messing around or problems. Price was excellent and shed is extremely well built.

Great doing business with this company. Always responsive and helpful. Driver/ delivery guy was great. Quality is excellent.

Tom Gallagher from Ocean View NJ

If it weren't for all of the delivery problems, this would have been a 5. When it finally arrived, Nate did a very professional job. He was efficient and courteous.

Frank Starrs from randolph, NJ

Awesome company - so easy to work with in ordering my new shed. The shed was built with quality and durability. It should last me a long, long time! I would definiterly recommend Sheds Unlimited and would gladly do business with them in the future if the need arises. A special shoutout to their delivery - seemless!

James LaGarde from Laurel, DE

The folks at sheds unlimited are the very best. I talked to them several times before ordering, and they answered every question, and then some. I live in a neighborhood with an association, and need to have all building plans approved. Sheds unlimited provided me with color samples, and a drawing. I made many changes in the workshop, moving the doors to the end, left the shutters off, added window boxes, and added one foot to the height of the walls to accommodate our golf cart.
We live as far south on the eastern shore of Virginia. Our shed arrived on time, and was built exactly as promised. The driver was courteous, and operated the "mule" without any effort. He placed the shed exactly on my marks, leveled the shed, and insured the doors would open properly.
I would, and have recommended Sheds Unlimited to my friends, and would buy from them again.
In this day, and age there is a lot to be said for integrity, and Sheds unlimited certainly has that!!