Building a 2-car garage is one of the most value-adding upgrades homeowners can make. A garage is necessary for providing safe parking and extra storage. It also serves as a workshop, hobby space, or even future living area, making it both functional and a financial investment.

Here is the catch during the construction of a 2-car garage. Determining the costs of building a two-car garage is not an easy task. It demands expertise, knowledge, and credentials. Moreover, the cost can also vary depending on several key factors, including the size, design, material, and its attachment and detachment features with the home. Other external features, such as site preparation, building codes, permits, and labor rates, also affect the pricing process. But the final price of construction ranges between $20,000- $41000.

Whether building a garage to add luxury to your life or improve your property’s value, planning carefully and understanding the costs will help you make the most of this investment. This guide will break down the garage costs based on various factors. By the end of this blog, you will have a clear idea of how to create the garage that aligns with your needs and budget.

The Average Cost to Build a Two-Car Garage in 2025

The average cost to build a two-car garage per square foot ranges between $30-$120, depending on finishes, attachment, and whether it’s detached or high-end. The typical total cost for a 2-car garage runs between $19,500-$40,000 on average, along with very basic attached options.

Garage types	Area per square	Average cost USD
Basic attached 2-car	400	$12000-$48,000
Typical standard 2-car	400-484	$19000-$33000
Larger 2-car	576	$17380-$69000
Detached finished 2-car	~410-580	$26000-$40,000
Garage kit	400	$5500-$15500

Factors That Influence 2 Car Garage Construction Costs

Garage Size and Dimensions

The size and dimensions of the garage affect the 2-car garage construction costs. When it comes to sizes, most two-car garages are about 400 square feet and 576 square feet. Their average cost ranges from $19,600 to $28,000, respectively. If you need a bigger space for your garage, you can opt for more space for storage or work. The bigger the size, the higher the price of the garage per square foot. The cost also depends on labor and the chosen materials that are used in the construction.

Materials Used

The material you select for your two-car garage also impacts your budget and construction durability. Among all the materials, wood is the most popular choice because of its affordability. But steel is more durable and lasts longer, with high upfront costs.

For the exterior portion, vinyl siding is suitable and budget-friendly. Brick and stucco are more durable and give a finished look. For flooring, concrete is the best option, and its costs can vary depending on the thickness and finishing options.

Materials	Average costs per square foot
Timber or Wood Frame	$60 – $100
Concrete Block Frame	$10 – $35
Brick	$80 – $120
PVC	$1.90
Metal Wall	$40 – $70
Bamboo Wall	$2.30
Concrete Block	$70 – $100
Paint	$1.50

Garage Type

The cost also varies according to garage type. The garage can be attached or detached. Both come with their own pros and cons. An attached garage connects directly to your house with easy accessibility. It’s also cost-effective because of sharing the wall with your home, saving on materials and labor. On the contrary, a detached garage is not attached to your living place. Detached garages cost more because they need their foundation, walls, and roofing. However, they can offer more privacy, unlike the attached one. The average cost for a one-car attached garage is between $7,500 and $12,500; 2-car garages start at $14,100. A detached garage costs $20,000 to $57,600 on average.

Roofing Options

The roof is another factor that can affect the total cost. Asphalt shingles are the most common option as they are affordable and easy to install. When it comes to durability, metal roofing is a great choice, but it costs more. The roof type you pick also affects the garage’s appearance. An asphalt shingle roof costs $3 to $5 per square foot after installation. The cost to frame a roof is $2,300 to $11,600 for a standard 2-car garage.

Additional Features

Adding extra features to your garage can also increase the cost. Adding insulation helps keep the garage warm in the winter and cool in the summer. The additional features include electrical wiring, plumbing, and mechanical work. If you plan to use the garage as a storage space, you might want to include HVAC systems. Modern options like smart locks and security cameras can add costs to your budget.

Labor and Permit Costs

Before starting the construction, the garage construction cost estimator must know about building codes and regulatory approvals. Regional labor costs also affect your budget. In urban areas, labor tends to cost more due to high demand and living expenses. Building the two-car garage in a small town might cost $25,000, and in a metro area, it will cost around $40,000. Some regions have stricter permitting or inspection processes, causing more administrative costs. On average, a permit fee can cost around $50-$200.

Cost Breakdown by Garage Type and Size

For a basic garage, which includes standard materials and no additional features, the cost will be between $17,000 and $27,000. This type of garage typically includes basic framing, a concrete floor, a simple roof, and maybe some insulation. For a high-end garage build with personalized features and high-quality materials, the cost ranges from $31,000 to $39,300. These garages might include smart technology, a heating and cooling system, fancy exterior finishes, or extra storage space.

 

Garage types	Size	Square feet	Average cost	Total cost range
1-Car Attached Garage	12 ft × 20 ft	240 sq. ft.	$60 – $100	$14,000 – $24,000
1-Car Detached Garage	14 ft × 22 ft	440 sq. ft.	$60 – $95	$25,000 – $42,000
2-Car Attached Garage	20 ft × 22 ft	440 sq. ft.	$60 – $95	$25,000 – $42,000
2-Car detached Garage	24 ft × 24 ft	576 sq. ft.	$70 – $105	$32,000 – $60,000
2-Car Prefab Garage Kit	22 ft × 22 ft	484 sq. ft.	$25 – $50	$12,000 – $25,000
3-Car Attached Garage	30 ft × 22 ft	660 sq. ft.	$65 – $100	$40,000 – $66,000
3-Car detached Garage	32 ft × 24 ft	768 sq. ft.	$70 – $110	$45,000 – $80,000
Custom garage	Varies	600–1,000+ sq. ft.	$90 – $150+	$55,000 – $120,000+

Using a Build a Garage Cost Estimator

A garage Cost Estimator is an online tool that helps homeowners and contractors quickly calculate the estimated cost of building a new garage. This Garage Construction Cost Estimator considers key variables such as the size of the garage, materials (like wood, steel, or concrete), local labor rates, and additional features such as insulation, flooring, or custom doors. By adjusting these factors, users can get a clear idea of their total project cost before starting construction. For a more accurate and professional estimate, Cost Bidding offers an advanced garage cost estimator and expert services that provide detailed, customized quotes based on real-time pricing and local market conditions — ensuring you plan your garage project with confidence and precision.

Attached vs. Detached 2-Car Garage: Cost Comparison

The type of garage is also taken into consideration while building a 2-car garage. These types include attached and detached garages. Both types have their own pros and cons. The attached 2-car garage is linked to your home. It is built as part of the main house structure and shares at least one wall with the home. It shares heating, electrical, or plumbing systems with the home.

On the other hand, a detached 2-car garage is not properly linked to your home. It acts as a standalone structure separate from the main house, and it is connected by a driveway and walkway. It requires additional wiring and plumbing, thereby adding more costs. Here is the cost comparison!

Category	Attached 2-car garage	Detached 2-car garage
Average total cost	$28000-$45000	$35000-$55000
Average cost per square foot	$55-$75	$70-$100
size	20’x20’	20’x20’
Foundation and framing	Share existing home framing and foundation	Requires a new foundation
Electrical & plumbung	Cheaper to connect to home wiring	Separate wiring increases costs
Exterior finishing	Matches existing siding	Require a standalone roofing
Accessibility	Direct access from home	Less convenient
Design flexibility	Limited flexibility due to home layout	More flexible
Insulation	Easier to extend HVAC from the house	Needs separate heating
Potential for conversion	Easier to convert for living	Easier to convert to a workshop
Aesthetic appeal	Blends with home architecture	Add appeal
Noise control	Share the wall so less noise isolation	Completely separate walls so better noise control
Zoning and permits	Easier to approve	May require separate site permits and zoning reviews
Maintenance costs	Slightly lower	Slightly higher

Smart Ways to Reduce the Cost of building a 2-Car garage

There are different ways to save money without giving up on quality. Here are some practical tips to help you stay within your budget.

One of the easiest ways to save money is by choosing a prefabricated garage. Prefab garages are built off-site and delivered to your property for quick assembly. Since most of the work is done beforehand, you can save on labor costs.

Another way to cut costs is by deciding what parts of the project you can handle yourself. For example, you might be able to paint the walls or install shelves, leaving the bigger tasks like pouring the foundation or framing to professionals.

This DIY approach saves you money on labor while ensuring the tricky parts are done right. Just be honest about your skills so you don’t accidentally cause delays or damage.

Finally, using cost-effective materials can help you stick to your budget without sacrificing quality. For example, vinyl siding is cheaper than brick but still durable and weather-resistant.

Asphalt shingles for the roof are more affordable than metal roofing, but they can still last for years if installed correctly. Look for materials that give you the best value for your money, and compare prices at different stores or suppliers.

ROI and Long-Term Benefits

Building a 2-car garage is not just a convenience; it’s a lucrative financial investment that can significantly enhance your property’s value and functionality. Homeowners often see a high return on investment (ROI), typically ranging from 60% to 80%, depending on location, materials, and overall design quality. Beyond resale value, a well-built garage provides lasting benefits.

A 2-car garage offers secure vehicle storage, protecting cars from weather damage and theft, thereby saving you money. It also adds valuable storage space for tools, equipment, and seasonal items, helping maintain an organized home. Many homeowners even convert part of the garage into workshops, home gyms, or offices, which adds to everyday comfort and utility.

In the long run, a garage construction improves your property’s curb appeal and makes it more attractive to future buyers..

Are You Looking For an Expert Company for 2-Car Garage Construction?

Are you looking for a professional company to construct a 2-car garage? Look no further than Cost Bidding. We are the best construction cost estimating companies in the town. At Cost Bidding, we specialize in delivering all types of garage construction by breaking down the items with cost projections. Our estimators possess years of cost estimating expertise and knowledge in the construction industry. They carefully analyze the market trends and offer the best possible cost estimations while eliminating the chances of inaccuracies and cost issues. They also help in managing the budget by using cutting-edge software. If you are wondering about the details regarding the project costs, contact us now for a precise estimation.

Conclusion

No one denies the importance of calculating construction costs for building a 2-car garage.  Determining the costs of building a two-car garage is not an easy task. It demands expertise, knowledge, and credentials. Moreover, the cost can also vary depending on several key factors, including the size, design, material, and its attachment and detachment features with the home. Other external features, such as site preparation, building codes, permits, and labor rates, also affect the pricing process.

If you are looking for a reputable estimating firm to help you with cost estimations, Cost Bidding is the right firm. To explore further services, contact us or visit our website.

FAQS

1. What size is assumed for a 2-car garage?

A common size is 24ftx24ft, which is about 576 square feet. But the size can vary according to design, nature, and complexity.

2. What factors are responsible for affecting the costs of garage construction?

• Attached vs detached garage
• Materials chosen
• Finish quality
• Foundation and framing
• Site preparation
• Permits and zoning laws
• MEP rates
• Labor costs
• Regional rates

3. What is the average cost of a basic garage?

For a basic garage, which includes standard materials and no additional features, the cost will be between $17,000 and $27,000.

4. What are the long-term benefits of a garage?

A garage is one of the most value-adding upgrades homeowners can make. A garage is necessary for providing safe parking and extra storage. It also serves as a workshop, hobby space, or even future living area, making it both functional and a financial investment.