The Key Factors to Consider When Selecting 3 Car Garage Dimensions

The Key Factors to Consider When Selecting 3 Car Garage Dimensions

Selecting the dimensions for a 3-car garage is an important decision that should be based on various factors to ensure it meets your needs and preferences. Here are key factors to consider when choosing 3 car garage dimensions:

Number of Vehicles:

Determine the number of vehicles you plan to store in the garage. A 3-car garage should comfortably accommodate three standard-sized vehicles. If you have larger vehicles or need additional storage space, you might consider larger dimensions.

Vehicle Size:

Consider the size of the vehicles you plan to store. Measure the length, width, and height of your cars or trucks to ensure they will fit comfortably within the garage without any obstructions.

Additional Storage Needs:

Think about your storage requirements beyond just vehicle parking. Do you need space for lawn equipment, tools, sports gear, or other items? Make sure to account for this when determining the dimensions.

Interior Space:

Consider how you’ll use the interior space of the garage. If you want room for a workbench, shelves, or a workshop area, factor this into your dimensions. You’ll need sufficient space to move around comfortably.

Door Style:

Choose between single and double garage doors for each bay. Single doors are typically 8-9 feet wide, while double doors can range from 16 to 18 feet wide. Ensure the chosen door style fits your vehicles and allows easy access.


The depth of the garage is crucial to accommodate the length of your vehicles. Standard depths range from 20 to 24 feet. Larger vehicles or the desire for extra storage space may require a deeper garage.


Standard widths for a 3-car garage vary between 28 and 32 feet. Keep in mind that you’ll need space for car doors to open comfortably, as well as room for walkways and storage areas.

Ceiling Height:

Consider the height of the garage ceiling, especially if you plan to store tall vehicles, install a car lift, or create a loft for additional storage. A ceiling height of 9-10 feet is common.

Local Building Codes:

Check with your local building department to ensure compliance with zoning regulations and building codes. They may have specific requirements for setbacks, heights, and other dimensions.

Future Needs:

Think about your future needs. If you plan to acquire larger vehicles or expand your storage requirements, it may be wise to build a slightly larger garage now to avoid costly renovations later.

Budget: Consider your budget for the project. Larger dimensions will likely result in higher construction costs, so strike a balance between your needs and budget.

Architectural Style:

Keep in mind the overall architectural style of your home and neighborhood. The garage should complement the design and not dominate the visual appeal of your property.


Consider the aesthetics of the garage, including materials, colors, and design elements, to ensure it blends well with your home’s exterior.

Before finalizing the dimensions for your 3-car garage, it’s a good idea to consult with an architect or a professional builder to ensure that your design meets all local regulations and suits your specific needs. Additionally, take into account any unique considerations for your property, such as available space and landscaping.