Garage Door Sizes

Garage sizes

How big does the garage itself need to be?

Different question from the door. The door has to let the car through; the building has to let you out of it afterwards. Add the cars up and the number is always too small — the space that decides it is the 2.5 feet beside each door.

GarageMost commonBuild this instead
2 car garage dimensions20 × 2024 × 24
1 car garage dimensions12 × 2014 × 22
3 car garage dimensions32 × 2236 × 24
What is a standard garage size?12 × 2020 × 20

2 car garage dimensions

Twenty by twenty is what gets built and twenty-four by twenty-four is what people wish they had built. The difference is whether you can open both car doors at once.

38,600 searches a month

1 car garage dimensions

Twelve by twenty is the number you will be given. It fits a car and nothing else, which is a problem, because nobody has ever owned a garage that held only a car.

8,100 searches a month

3 car garage dimensions

Thirty-two feet wide is the floor and thirty-six is comfortable. The bigger decision is not the size — it is whether you hang three doors, or one double and one single.

5,400 searches a month

What is a standard garage size?

There is no code that sets one. What people call standard is what volume builders pour, and that number has been creeping up for forty years while cars got wider.

7,000 searches a month

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