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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.

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
4.906
4.9/5
Average Rating

Purchased custom 8 x 30 shed after seeing one my neighbor bought a few months ago. Had an extra door put in the end and shed came as advertised.
Great job by the delivery guy since it was not an easy placement. That little device they call a MULE is fantastic. As long as your not trying to get a 10 foot shed in a 9 foot space they will get it there. Only question is delivery charges and permit charges. If they are piggybacking my shed with other delivery in the area why am I charged full rate on the delivery and permit. Seems to me they could share the cost. Other than that fair prices and excellent quality on the shed.

Rick williams from Southern NJ

FROM MY FIRST PHONE CALL TO SHEDS UNLIMITED UNTIL MY DELIVERY, IT WAS A FIRST CLASS OPERATION. THEY ANSWERED MY NUMEROUS QUESTIONS AND WORKED WITH ME ON MY DELIVERY DATE. THEIR PRODUCT IS EXCELLENT AND VERY COMPETITIVELY PRICED. WHEN OTHERS SEE MY SHED, I WILL BE RECOMMENDING THEM TO SHEDS UNLIMITED.

Tom Beck from Warrington, Pa.

I ordered 2 sheds from this company. Everything from ordering to delivery was perfect. The quality of the sheds are superb. I will recommend sheds unlimited to everyone. Delivery was simple due to the skill of the driver Shane. Thanks to everyone at Sheds Unlimited. All my neighbors agreed the sheds look very well built and look great.

barry patterson from Drexel Hill Pa

My shed is everything I could of ask for. I could of built my own shed but comparing the.price and the craftsmanship they know what they are doing, and I made the right choice. . The wait was worth the time as did the kids faces seeing this 8 by 16 ft house roll off the truck into our yard. As for the people I spoke to they couldn't be nicer on the phone very helpful in a timely manner never had to wait more then a few minutes. This shed will last and be part of my family for a long time. It may seem funny I said that, but to me being in my yard with my wife n kids doing little things keep us close and a family. To look up n see how nice my yard is and havering a beautiful shed sitting there just make me feel good. Can't wait to order my pool cabanner!!!

Thomas Fasano from Deer Park New York

Great experience from beginning to end. We are well satisfied with the construction and delivery of our shed. We have had several neighbors comment that the shed looks nice. I would recommend Sheds Unlimited without a second thought.

Sanford Alabovitz from Reading, PA

what awesome people to work with. it is very rare in todays world to deal with such honest people.
its worth getting a shed to just watch the delivery. its really cool to watch.
i found out about the company from a very close friend from the ben/salem police dept.

dave del from nj

I was very pleased with my 18x12 shed that I had purchased. The only issue I saw was some of the studs were knotty and looked chewed.The overall structure of the shed itself was great. My co-workers and friends loved the style and color. I would recommend Shed Unlimited to anyone who is looking for looking for a shed to buy.

Randy G from Colonia NJ

I love my new shed. The team at Unlimited Sheds are terrific to work with. The quality of the shed is outstanding. I am glad I did my research, as they are by far the best!

hi ,just wanted to say thank you. I over research everything i purchase / have been looking at sheds unlimited for at least 7 years and all the others in between.these sheds are the best!!! purchased 2 . built quickly / delivered and placed just where we wanted, driver dan was a pleasure ,
office staff was also a pleasure, will recommend to everyone,thanks again, jim

james d stashenko from stamford ct

I've been doing research on a shed and this is the place to buy a quality made shed!!! I was so skeptical that I made a vacation trip out to their location to check out the place in person. I've stopped by several places along the way which made it even better!

First off, this shed was cheaper than most box stores. There is a real plywood floor and the 2x4's are in good shape. Everything was constructed nicely and not rushed. Stephen took my order and even though the phone was ringing off the hook, he took his time to answer all my questions and personalized the shed to my liking. Remember to pay in cash or check for a small discount!!! THANK YOU STEPHEN!

Secondly, Austin who was making the appointment with me, I want to praise him for being so patient. I had so many issues with the shed pad they held onto my shed for a bit longer than expected. Finally an appointment was made and not only there were on time, they were early! THANK YOU AUSTIN!

Third, Shane who delivered the shed was very professional. He moved the shed into the tightest part of the house. I was baffled because the shed was supposed to fit through but it seemed that the shed was a bit bigger by a few inches. No problem! Shane was able to maneuver the MULE with precision. He was SO CAREFUL that he was afraid of the flowers and such. I gave him a nice tip cause of the savings in the shed and his precision in using the MULE. Plus a few waters on the road. Treat Shane with care! THANK YOU SHANE!

I wouldn't hesitate in buying another shed from this place. This is the place for a quality made shed with CARE.

You GUYS ROCK!!!!!!!!!!!!!

Andrew from West Hempstead (Long Island),NY