If you’re planning a new build or renovation, one of the most common questions is what is the size of a 2 car garage. For a 2-car garage, common builds range from a snug 20×20 footprint to more spacious layouts that allow for extra storage or a workbench.
This guide will walk you through the standard dimensions, explain why extra space is often needed, and help you choose the right size for your vehicles and lifestyle. Getting the size right from the start saves you from headaches and costly changes later.
What Is The Size Of A 2 Car Garage
The most common and widely accepted minimum size for a two-car garage is 20 feet wide by 20 feet deep. This 20×20 dimension, offering 400 square feet, is the baseline used by many builders and planning departments. It provides just enough space to park two mid-size sedans side-by-side.
However, this standard size comes with significant limitations. With the doors closed, you’ll have only inches to spare on either side of the vehicles. Getting in and out of the car can be a tight squeeze, and there is virtually no room for anything else like storage cabinets, bicycles, or lawn equipment.
Because of these constraints, many homeowners and builders now consider a 24×24 garage, at 576 square feet, to be a more functional modern standard. This extra four feet in each direction makes a world of difference in daily use.
Standard Two Car Garage Dimensions
Let’s break down the typical dimensions you’ll encounter. These sizes are based on the average width of modern vehicles, which has been steadily increasing over the years.
A compact car might be around 6 feet wide, while a full-size truck or SUV can easily exceed 6.5 to 7 feet. Parking two larger vehicles in a 20-foot wide space leaves very little margin.
- 20×20 Feet (400 sq ft): The absolute minimum. It fits two cars but feels cramped. No extra space for storage.
- 22×22 Feet (484 sq ft): A moderate upgrade that provides a bit more breathing room along the sides and front.
- 24×24 Feet (576 sq ft): The recommended standard for new builds. Allows for comfortable parking and some wall storage.
- 26×26 Feet (676 sq ft): A spacious option that can accommodate trucks, SUVs, and a work area.
- 30×20 Feet (600 sq ft): A wider, shallower footprint that’s excellent for ease of parking but offers less front-to-back depth.
Why Minimum Dimensions Often Fall Short
Choosing the minimum 20×20 size can lead to frustration. The primary issue is that garage dimensions are based on the exterior structure, not the interior clear space. Once you account for walls, insulation, and interior finishes, you lose several inches on each side.
Furthermore, you need to consider the swing of the car doors. A typical car door needs about 3 feet of space to open fully for easy entry and exit. In a 20-foot wide garage with two cars, that space simply doesn’t exist. You often have to park carefully and slide out of the vehicle.
Another factor is storage. Most people use their garage for more than just cars. From tools and holiday decorations to sports gear and lawnmowers, these items need a home. Without dedicated space, they end up cluttering the area meant for your vehicles, making parking even tighter.
Accounting For Door Swing And Walkways
To park comfortably, you need to plan for more than just the vehicle’s footprint. Experts recommend adding at least 2 to 3 feet of total width beyond the combined width of your two cars. This allows for door clearance and a walkway between the vehicles.
For example, if each car is 6.5 feet wide, their combined width is 13 feet. In a 20-foot wide garage, that leaves 7 feet of total leftover space, or 3.5 feet per side. This sounds okay until you realize a door swing eats up most of that, leaving no room to stand or walk.
The Impact Of Interior Obstructions
Don’t forget to account for permanent interior features. A support column, a water heater, a furnace, or a set of stairs can intrude into your parking space. These obstructions must be mapped out in your plans from the beginning.
Even something as simple as a side-mounted garage door opener reduces ceiling clearance. This can be a problem if you own a tall van or plan to install overhead storage racks. Always measure the clear interior space after accounting for all built-in elements.
Recommended Sizes For Modern Vehicles And Storage
Given the size of today’s vehicles and our need for storage, moving to a larger footprint is a smart investment. The extra cost during construction is relatively small compared to the long-term functionality and satisfaction.
A 24×24 garage is a substantial improvement. It provides a 2-foot buffer on each side of the vehicles and 4 extra feet in depth. This depth is crucial for allowing you to walk in front of a parked car to access shelving or for storing longer items like ladders.
For homeowners with trucks, SUVs, or a desire for a dedicated workshop, even larger dimensions are worth considering. A 26×26 or 30×24 garage can feel like a luxury, providing space for vehicles, workbenches, tool chests, and bulk storage without compromise.
Planning For Workbench And Tool Storage
If you envision using part of your garage as a workshop, you need to allocate that space seperately. A standard workbench is about 2 feet deep and 4 to 8 feet long. You’ll also need at least 3 to 4 feet of clear space in front of it for you to stand and work comfortably.
This means dedicating a roughly 6×8 foot area of the garage floor. In a 24×24 layout, you can place this along the back or side wall and still park two cars without them intruding into your workspace. In a 20×20 garage, a workbench usually means sacrificing one parking spot entirely.
Accommodating SUVs And Full-Size Trucks
The popularity of large vehicles makes garage planning essential. A modern full-size crew cab pickup truck can be over 19 feet long and nearly 7 feet wide. Parking one of these in a standard 20-foot deep garage means the rear bumper will be almost touching the door.
For two large vehicles, a depth of 26 feet or more is advisable. Width is equally important; a 26-foot wide or wider garage ensures you can open the doors of two trucks without dinging each other. Always look up the exact dimensions of your specific vehicle model when planning.
Understanding Local Building Codes And HOA Rules
Before you finalize your plans, you must check your local building codes and any Homeowners Association (HOA) covenants. These regulations can dictate the minimum or maximum size of your garage, its location on the property, and even the style of the garage door.
Building codes often specify foundation requirements, fire separation if the garage is attached to the house, and minimum distances from property lines. Your local building department will need to approve your plans and issue a permit before construction begins.
HOAs can have strict rules about exterior appearance. They may require the garage to match the house’s architecture, limit the door type, or regulate whether you can have a side-entry garage. Failing to comply can result in fines or being forced to make expensive modifications.
Setback Requirements And Zoning
Setback rules determine how far your garage must be from the front, side, and rear property lines. These rules vary greatly by municipality and zoning district. A common side-yard setback for a detached garage might be 5 feet, but you must verify this for your lot.
These setbacks directly impact how large your garage can be. On a narrow lot, side setbacks may limit the width of the structure. Always get a official plot plan and review the zoning ordinances before you get too far into the design process.
Permit Process And Inspections
Pulling a building permit is a non-negotiable step for a new garage. The permit application will require detailed construction drawings, including foundation plans, framing details, and electrical layouts. There is usually a fee based on the project’s estimated value.
During construction, a building inspector will visit at key stages—like after the footing are poured, the framing is up, and the electrical is installed—to ensure everything meets code. Passing these inspections is required for the project to be legally complete.
Cost Implications Of Different Garage Sizes
The size of your garage is one of the biggest factors in its total cost. Costs are typically calculated per square foot for the basic structure, but the price per square foot can decrease slightly as the total size increases due to fixed costs being spread out.
As of recent estimates, building a basic detached garage can range from $50 to $150 per square foot, depending on materials, finishes, and location. A 20×20 (400 sq ft) garage might cost $20,000 to $60,000 for the shell, while a 24×24 (576 sq ft) might range from $28,800 to $86,400.
Remember that these are rough estimates. Upgrades like insulation, drywall, electrical service, plumbing, or higher-end doors and windows will add significantly to the total. Getting multiple quotes from licensed contractors is the best way to establish a realistic budget for your area.
- Foundation & Slab: A larger garage requires more concrete, which is a major cost.
- Roofing & Siding: More square footage means more materials for the exterior envelope.
- Garage Doors: A wider garage may require a larger or two separate doors, increasing cost.
- Interior Finishes: Costs for drywall, flooring, and paint scale directly with size.
Design Options And Layout Considerations
The internal layout of your garage is just as important as its exterior dimensions. Thoughtful planning maximizes usability. Consider how you will use the space: just parking, parking with storage, or a multi-purpose workshop area.
Door placement is critical. A single wide door (often 16 feet) is common, but two separate 8-foot or 9-foot doors offer more flexibility and can make accessing one car easier without moving the other. The door height is also key; an 8-foot tall door is better for taller vehicles.
Single Vs. Double Door Configurations
A single 16-foot wide door is a clean look and can be less expensive than two doors with a post in the middle. However, the large door is heavier, requiring a more robust opener, and if it fails, you lose access to the entire garage.
Two separate doors provide a structural support column in the center, which can be benificial for the building’s frame. They also allow you to open only one door for entry, which can be more energy-efficient. The choice often comes down to personal preference and aesthetic.
Utilizing Vertical Space For Storage
When floor space is limited, look up. The vertical space in a garage is often underutilized. High-quality overhead storage racks mounted to the ceiling joists are perfect for storing seasonal items, luggage, or bins.
Wall systems with slatwall panels or heavy-duty shelving units get items off the floor. Installing these systems on the side or back walls keeps the perimeter clear for parking while providing ample storage capacity. This is a must-do for any sized garage.
Step-By-Step Guide To Determining Your Ideal Size
Follow these steps to confidently decide on the perfect garage dimensions for your needs.
- List Your Vehicles: Write down the year, make, model, and exact dimensions (length, width, height) of every vehicle you plan to park inside. Don’t guess—look up the specs online.
- Inventory Your Storage Needs: Walk through what you currently store in your garage or intend to store. Estimate how much wall or floor space these items require. Be realistic about future purchases.
- Consider Future Needs: Think about your plans for the next 5-10 years. Might you get a larger vehicle? Take up a new hobby that requires space? Planning ahead prevents needing another renovation later.
- Check Codes and HOA Rules: Contact your local building department and review your HOA guidelines. Note any restrictions on size, height, placement, or appearance.
- Create a Scale Drawing: Using graph paper or simple design software, draw your proposed garage interior to scale. Place rectangles representing your vehicles and storage areas to visualize the space.
- Consult a Professional: Share your plan with a contractor or architect. They can identify potential issues, suggest improvements, and provide accurate cost estimates based on your specific design.
Frequently Asked Questions
What Is The Average Size Of A 2 Car Garage?
The average size of a two-car garage built today is typically 24 feet by 24 feet. While 20×20 was the old standard, the 24×24 dimension has become more popular because it provides adequate room for modern wider vehicles and leaves space for storage along the walls.
What Are The Dimensions Of A Standard Two Car Garage?
The dimensions of a standard two-car garage are most commonly 20 feet by 20 feet or 24 feet by 24 feet. The 20×20 size is considered the minimum standard, while the 24×24 size is increasingly viewed as the new practical standard for comfortable use.
How Big Should A Garage Be For 2 Cars?
A garage for two cars should be at least 20 feet wide and 20 feet deep. For better functionality with larger cars or for any storage, a size of 24 feet wide by 24 feet deep is a much better choice. If you own trucks or SUVs, consider going even larger, such as 26 feet wide or deep.
Can You Fit 2 Cars In A 20×20 Garage?
Yes, you can physically fit two average-sized cars in a 20×20 garage, but it will be very tight. There will be little to no room to open car doors fully or walk between the vehicles, and no space for storage. It meets the basic requirement but offers no extra comfort or utility.
Is A 22×22 Garage Big Enough For 2 Cars?
A 22×22 garage is big enough for two cars and represents a meaningful upgrade from a 20×20. It provides an extra foot of space on each side and in the front, making entry and exit easier. You may have a small amount of space for limited storage along the walls, but it can still feel snug with larger vehicles.