Detached Garage Sizes: The Ultimate Guide

Joan Aug 08, 2026

The size of a detached garage can greatly impact its functionality and aesthetic appeal. Whether you're looking to store vehicles, tools, or create a workshop, understanding the different garage sizes is crucial. Let's delve into the world of detached garages, exploring their standard sizes and when to choose each size.

2 Car Detached Garage Plan | Kira Rae
2 Car Detached Garage Plan | Kira Rae

A detached garage's size is typically measured in two ways: the number of cars it can accommodate and the square footage. Before we proceed, it's essential to understand that garage dimensions often come in multiples of 10 feet, making it easier to fit standard vehicles.

Plan 50618 | 2 Car Garage
Plan 50618 | 2 Car Garage

Single-Car Garages: Compact and Economical

For many homeowners, a single-car garage is the go-to option. It's economical, practical, and can fit a variety of vehicles from compact cars to some SUVs.

Craftsman 2 Car Garage Plan - 954 Square Feet | Floor Plan #963-00873 | America's Best House Plans
Craftsman 2 Car Garage Plan - 954 Square Feet | Floor Plan #963-00873 | America's Best House Plans

Standard single-car garage sizes are:

  • 20' x 20' - This size can fit most compact to mid-sized cars, but might be tight for some larger vehicles.
  • 20' x 22' - This size offers more depth, adding room for workshops or storage.
  • 22' x 22' - This size provides ample room for vehicles and additional storage or workspace.
24x24 Garage Plans, 2 Car Detached Garage, Modern Farmhouse Design, Workshop Blueprint, Instant PDF Download - Etsy
24x24 Garage Plans, 2 Car Detached Garage, Modern Farmhouse Design, Workshop Blueprint, Instant PDF Download - Etsy

When to Choose a Single-Car Garage

Single-car garages are an excellent choice if you have:

  • Limited space on your property.
  • Only one vehicle to park.
  • A tight budget, as they are more affordable to build and maintain.
Craftsman House Plan - 0 Beds 1 Baths 1853 Sq/Ft Plan #124-932
Craftsman House Plan - 0 Beds 1 Baths 1853 Sq/Ft Plan #124-932

Drawbacks of Single-Car Garages

While they are economical, single-car garages have their downsides:

  • Limited space for larger vehicles, especially those with large turning radii.
  • No room for additional storage or workshops.
Garage Plan 4 | SDC House Plans
Garage Plan 4 | SDC House Plans

Two-Car Garages: Versatile and Popular

Two-car garages are among the most popular choices due to their versatility. They can accommodate two vehicles and offer enough space for tools, storage, or workshops.

a car is parked in front of a two story garage with an attached carport
a car is parked in front of a two story garage with an attached carport
Highland Ranch - 87412
Highland Ranch - 87412
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Detached Garage Cost: 1-, 2-, 3-, 4-Car Pricing Guide
the two car garage shop plan is shown with measurements for each floor and one bedroom
the two car garage shop plan is shown with measurements for each floor and one bedroom
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Standard Garage Dimensions for 1, 2, 3 and 4 Car Garages (Diagrams)
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Detached Garage Plan Great for Oversized Vehicles
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how much does a detached garage cost? the complete guide
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the floor plan for a small house with an attached garage and living room, as well as
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Detached Garage Cost Calculator – Estimate Garage Construction Costs Free
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50 Detached Garage Designs to Consider
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2-Car Detached Garage Plan with Changing Room
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a two car garage with three windows on the top floor
Traditional 3 Car Garage Plan - 960 Square Feet | Floor Plan #963-00703 | America's Best House Plans
Traditional 3 Car Garage Plan - 960 Square Feet | Floor Plan #963-00703 | America's Best House Plans
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25 Detached Garage Ideas for Extra Storage and Style - Its Overflowing
Garage Plan 3 | SDC House Plans
Garage Plan 3 | SDC House Plans
Modern Farmhouse drive through Garage Plan | Huttman
Modern Farmhouse drive through Garage Plan | Huttman

Common two-car garage sizes are:

  • 20' x 24' - This size offers enough room for two standard cars and some workspace.
  • 22' x 24' - This size provides more maneuvering room and additional workspace.
  • 24' x 24' - This size is perfect for larger vehicles and offers ample room for workshop or storage needs.

Advantages of Two-Car Garages

Two-car garages come with several advantages:

  • Capacity for two vehicles, making them ideal for two-car families.
  • Space for tools, workshops, or storage.
  • Easy accessibility for larger vehicles.

Considerations for Two-Car Garages

While popular, two-car garages have some considerations:

  • They require more space on your property.
  • They can be higher in cost to build and maintain.

Three-Car Garages and Beyond: Luxury and Functionality

For those who need more space, three-car garages and larger offer luxury and functionality. They can accommodate multiple vehicles, large RVs, and boats, and provide ample room for workshops, storage, or even a separate room.

Common larger garage sizes include:

  • 30' x 30' - This size is perfect for three standard vehicles and offers plenty of workspace.
  • 36' x 40' - This size is ideal for larger vehicles, RVs, and boats, and provides room for a workshop or separate workspace.
  • 40' x 40' - This size is a true luxury, offering enough room for multiple vehicles, workshops, and additional living spaces.

Benefits of Larger Garages

Larger garages come with numerous benefits:

  • Accommodation for multiple vehicles, large RVs, and boats.
  • Ample room for workshops, storage, or extra living spaces.
  • Easy access and maneuverability for larger vehicles.

Disadvantages of Larger Garages

Despite their benefits, larger garages have some downsides:

  • They require substantial space on your property.
  • They can be expensive to build and maintain.

When considering a detached garage, it's essential to weigh your storage needs, vehicle types, budget, and available property space. By choosing the right size, you can create a garage that's both functional and aesthetically pleasing. So, whether you need a compact single-car garage or a spacious multi-vehicle garage, there's a size that suits your needs, waiting to be built.