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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. Whether you're looking for a three-car garage in Maine, NY or any other state, you don't want the 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 three garage can range from 20'x30' to 30'x60' but keep in mind that going with the smallest size will limit space for storing other things. You will want to consider how much space you have, how big your cars are, and what else you intend to do with your new garage space.

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.

three car garage with apartment 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

See one of our customers' prefab 3 car garage story for a better understanding and full procedure.

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 500 Reviews

and
4.894635
4.9/5
Average Rating

Thank you for our new shed. We have received several compliments from our neighbors about the appealing style and obvious quality of the construction. I would highly recommend Sheds Unlimited for any exterior structure. We worked with David in the Sales Office and he was quite knowledgeable and accommodating throughout the process.

Robert Scavilla from Philadelphia PA

beautiful job - these guy did a great job and built our garage in one day. They even custom matched the colors of our house. many people have commented how nice our new garage looks and how well built it is

rache d from Dorset vermont

I had my custom 12x16 shed delivered recently and like other people who have given reviews I was equally amazed by how one person could deliver the shed and professionally install it flawlessly. My wife and I visited their location in Gap, PA to view the many designs and options available and were very pleased with the service, knowledge and experience. The final product is very well designed, bulit and looks great! Would highly recommend Sheds Unlimited.

Brian from Mullica Hill, NJ

We were very pleased with the people and experience at Sheds Unlimited. They were very easy to get along with and delivered us a beautiful shed with low impact on our property. Highly recommended.

Michelle Kelley from Doylestown, PA

Nothing but good things to say about sheds unlimited. Everyone was friendly and knowledgeable. They were upfront with pricing and delivery. Thanks again Sheds Unlimited.

Matt Stringer from Honey Brook,PA

These guys are great from first ordering and delivery could not be more satisfied very professional.

joe carp from closter new jersey

What a terrific shed! It is exactly what we ordered and is very well built. Customer service was wonderful to work with. And then there was the  delivery... Absolutely AMAZING! Imagine getting a 28x14 building up narrow and twisting roads to the top of the Blue Ridge Mountains... I still can't believe the driver and "mule" managed it - but they certainly did. A couple time I closed my eyes thinking our building was a goner, but, nope it was placed perfectly. Afterward I asked the driver about it - he smiled and said only that, "this one was a bit more of a challenge."  Thank you Sheds Unlimited!

Jack from Harpers Ferry, WV

Jack from Harpers Ferry, WV

I just want to let you know that your Driver was a pleasure to deal with. He placed the shed perfectly into a tight spot and then took the time to make sure it was level and sitting properly. I feel any other company would of placed it as close as possible to where i wanted it and would of been on their way. He also noticed (I would of never noticed) that the door didn't line up perfectly when closed and made some adjustments.

The shed also looks great and more then exceeded my expectations.Thank you for a great experience and hope to do more business with you or to refer others.

Ken - East Northport, NY

Ken from East Northport, NY

The Shed is a good quality. everything went very smooth with everybody at Sheds Unlimited. The staff was always friendly and answered my questions very quickly. The delivery guy was great, did a great job helping in leveling the shed out. I highly recommend buying a shed from you guys.

Steve from Howell NJ

Thank you to all the wonderful people at Sheds Unlimited they really are so organized to work with! They have the whole process stress free! I had one worker come with my adorable shed and use the mule I told him he was like a surgeon placing the shed in my yard! Cannot wait to buy more sheds from you !!!! Very very Happy! Have a great Christmas!!!

Deborah Mooney from Staten Island New york