Cost to build 3 car garage

The cost to build a garage can vary greatly depending on the size, type and location of the garage. The average cost to build a garage is between $30,000 and $60,000.

Cost to build 3 car garage

The national average cost to build a garage is $24,000. Garage costs depend on its siding material, foundation and finishes, like electricity and garage door style. A single-car, detached garage kit starts at around $7,250 while an attached three-car garage with a loft can cost $50,000.

Average Cost to Build a Garage

Average Cost$52
Highest Cost$70
Lowest Cost$35
*Costs per square foot

Garage Cost Per Square Foot

A two-car garage costs an average of $52 per square feet to build. Custom garage construction costs, like a slab foundation, security system, and livable loft space, mean you could pay between $35 and $90 per square foot.

Single-Car Garage Cost

Single-car garages come in a lot of different shapes and sizes each with their own price tag. Choose a slightly larger footprint for additional storage space.

12 by 24 feet$15,000
14 by 28 feet$20,400
*Costs calculated using $52 per square foot average and rounded to the nearest $100

2-Car Garage Cost

One of the largest cost factors for multi-car garages is the number of garage doors you need to install. Depending on your lot size and how you plan to access your cars, you can choose to park side-by-side or front-to-back, also called tandem.

24 by 24 feet$30,000
24 by 30 feet (tandem)$31,200
*Costs calculated using $52 per square foot average and rounded to the nearest $100

3-Car Garage Cost

Garages that accommodate three or more cars cost the most because they require the most square footage. They are great for families with multiple vehicles ranging from economical cars to recreational vehicles.

36 by 24 feet$44,900
30 by 40 feet$62,000
*Costs calculated using $52 per square foot average and rounded to the nearest $100

Detached Garage Cost

Detached garages range in price from $1,500 for a no-frills stainless steel kit that fits one car to $50,000 for a barn-like custom garage that fits three cars and an in-law suite. How much you pay depends on the size, functionality, materials and labor. Budget for the cost of a foundation as well as the cost of a driveway to your new garage.

Stainless steel garage kits with manual garage doors and no insulation are the most affordable and fastest to build. You can find these at outbuilding and shed retailers near you. On the other hand, detached garages with siding, trim and roofing that match your home will cost more.

Hire an electrician if you’re adding or updating electrical to your detached garage to accommodate automatic garage door openers, lighting or a security system. Hire a plumber to install wet features like a drain, hose or work-station sink.

Attached Garage Cost

Attaching a garage to your home costs an average of $26,000. However, you could pay anything from $10,000 to $43,000 depending on how many cars you’d like to accommodate and whether it includes livable space.

It costs less to run new electrical or plumbing to an attached garage, especially where those features connect with existing lines. For instance, if you want a garage with an apartment, choose a floor plan that allows new wet rooms to share walls with your existing laundry or bathroom.

You may also need to replace the door connecting your home to the garage with one that is fire-rated. Check local housing codes or talk to your garage contractor.

Garage Material Costs

To build a garage, you’ll need to start with the foundation. Budget for the cost of a concrete slab foundation, which averages $4 to $8 per square foot. Measure the length and width of your new garage foundation to create a rough project budget with the following costs per square foot:

Foundation Cost$4 – $8
Framing Cost$5 – $13
Siding Cost$2 – $50
Roofing Cost$1 – $10

Don’t forget to coordinate concrete installation with any plumbing, drainage or HVAC system needs. Hire a general contractor to complete your project successfully and on budget.

On top of the foundation you’ll either need a prefabricated garage kit or a custom wood frame to erect the walls and roof. From there, it’s time to install the garage door and any exterior doors and windows. Take a look at the following per-unit costs, including materials and labor, and add them to your project budget:

Garage Door$600 – $1,500
Exterior Door$450 – $700
Exterior Windows$100 – $700

If you opt for a finished garage, you’ll also need electrical to install a garage door opener, lighting and electric vehicle charging stations. Once optional plumbing and electrical are installed, it’s time for insulation, drywall, painting and features such as storage solutions.

Garage Door Opener$200 – $525
Lighting$80 – $900
Storage Solutions$500 – $10,000
Electric Vehicle Charging Station$1,000 – $2,300

Factors That Affect the Cost of Building a Garage

Several factors will affect the final cost of building a garage, from the size of your garage to labor costs to insulation and much more. To budget accurately for such a large home improvement project, it is essential to understand each factor’s cost.

Size of Garage

The cost of building a custom garage is typically determined by square footage. Most contractors charge approximately $35 to $70 per square foot for a standard garage. For instance, a single-car attached garage at approximately 240 to 380 square feet can range from $10,500 to $20,400. A double-car garage at approximately 440 to 620 square feet can range from $20,000 to $40,300. A three-car garage at approximately 620 to 820 square feet can range from $30,000 to $45,000.


Building a custom garage is a large home improvement project, and it can take multiple laborers to complete the project. Therefore, labor rates will comprise roughly 50% to 70% of the overall bill. The more you DIY, the more you can reduce labor costs.


For those who plan to utilize a garage beyond just parking a car, consider insulating it. Whether using it as a workspace or storing temperature-sensitive items, insulating your garage will help reduce rapid temperature swings. 

The insulation cost typically depends on the insulation type you choose. For instance, blown-in insulation ranges from $.5 to $1.5 per square foot. Batting insulation ranges from $1 to $2 per square foot. Spray-in insulation ranges from $1.5 to $4 per square foot.


Whether you are building a garage to park your car, store your belongings or both, it may be wise to install security features to ensure your item’s safety. Security features such as a garage security system can cost anywhere from $100 to $2,500. But for extra security, you may also want to invest in an automatic garage gate or door compatible with your garage security system. These can range from $200 to $4,000 in addition to the security system.


Some people prefer windows in a garage to add some natural light or match the home’s exterior. Of course, depending on the window type, size, placement and how many windows you’d like, the additional cost for windows in a garage is approximately $100 to $600 per window.


Building a garage is a large project requiring various materials for the foundation, the framing, the roofing, the wiring and the gutters. Therefore, the price of your garage will depend on which materials you choose for each element of the garage. On average, materials in total typically account for between 30% and 50% of the final cost. 

Number of Doors

Typically, the number of doors in your garage determines the square footage and installation cost. The more doors, the greater the cost. The cheapest option is usually a single garage door spanning the width of a garage entrance, followed by double-garage doors. A custom garage door will cost the most.

  • Single door: $600 to $1,500
  • Double door: $800 to $3,500
  • Custom door: Over $1,000

Additional Costs to Consider

When it comes to the exterior or interior of your garage, the sky’s the limit. From a custom garage door to an HVAC system to different finishes, the more unique features you add to your garage, the more it will cost.

Garage Door

An automatic garage door opener is a popular, convenient feature most people like to add to their garage. Although they are a one-time cost, they are certainly an add-on. While the garage door opener costs around $120 to $288, you can also expect to pay an additional $127 to $199 to install it.


If you spend an extended amount of time in your garage, customized options like an HVAC system may be something you should consider adding, although costly. Extending HVAC ductwork from your home is approximately $15 per linear foot.

Garage Finishes

The perk of building a garage is that it lets you design it how you’d like. From installing plumbing to painting the door to adding a separate entrance to even constructing an apartment above it, you can add various finishes to make it your own. However, it will add to your final bill.

Bottom Line

Building a well-constructed, secure garage can be a good investment for your home. You’re likely to increase your ROI by adding livable square footage as your household grows or to accommodate guests or tenets. Single- or two-car garages are most common.

A properly installed garage can increase the square footage to store sporting equipment or tools, protect your vehicles from theft or inclement weather and even charge your electric car. The cost to build a garage is often worth it.

Labor Cost to Build a Garage

The labor cost to build a garage will vary according to the size of the structure. For example, a one-car garage that measures 8 feet by 16 feet can be built for about $5 per square foot by an experienced contractor and his crew. A two-car garage that measures 16 feet by 24 feet could cost about $7 per square foot with similar labor costs.

Cost to Build a Garage Yourself

If you want to save money on your garage construction project, you can do it yourself. This method is typically not recommended unless you already have experience building structures out of concrete or metal siding or both. The average cost to build a garage yourself will depend largely on your ability as well as the size of the structure you are building

The cost to build a garage can vary depending on the size of your garage, the type of materials you use, and who you hire to do the work.

A 2-car garage with loft averages $20,000 to $25,000 to build. A 3-car garage averages $30,000 to $35,000, while a 4-car garage costs around $50,000.

The most common way to build a garage is by pouring concrete slabs and framing up walls. If you’re looking for something more modern or unique, there are other options available that may cost more but provide more flexibility in design and energy efficiency.

The cost to build a garage can vary depending on the size and features you want to include. Building a garage is not only an excellent investment, but it can also add value to your home. In fact, according to Remodeling Magazine, a garage remodel can add up to $40,000 in resale value on average.

The average cost to build a 2-car garage with loft is $45,000 or $37 per square foot. However, if your home has special features like high ceilings or big windows that need extra reinforcement, then your cost will be higher than this average.

The most important factor in determining the cost of a garage is its size and location. A detached one-car garage will cost less than an attached two-car unit because there are fewer materials required. Additionally, the closer your house is located to the street — where utilities are present — the lower your costs will be because there aren’t any additional expenses associated with utility hookups or trenching for gas lines or water pipes.

If you want an attached two-car garage with loft, expect this type of project to cost around $60-$80 per square foot or up to $100 per square foot for complicated designs with multiple door openings

A new garage can be a great addition to your home, but it’s not always an easy decision. If you’re planning to build a garage of your own, there are several factors you’ll want to consider before beginning the process — including cost.

Here’s how much it costs to build a garage:

Labor cost to build a garage: $1,798-$9,417 (1 car)

Labor cost to build a garage: $2,037-$12,822 (2 car)

Labor cost to build a garage: $4,589-$18,554 (3 car)

Labor Cost to Build a Garage

The average cost to build a garage is $20,000. This includes the cost of materials and labor. If you are planning on building your own garage and hiring out all the labor, then you will need to budget for these expenses:

Concrete slab – $5,000

Framing lumber – $1,200

Insulation – $550

Doors – $300

Windows – $200

Siding – $1,200

The average cost to build a garage varies depending on the size and materials used. The total cost of building a garage can range from $30,000 to over $100,000. The price range depends on several factors: the size and type of garage, the number of windows and doors, the material used in construction, whether or not permits are required, and who will be doing the work.

Cost to Build a Garage Yourself

If you’re looking for a do-it-yourself project, here’s what you can expect. According to Remodeling magazine’s 2016 Cost vs Value report, it cost about $10 per square foot for materials and $14 per hour for labor for an average two-car garage with loft space in 2016. That comes out to about $28,000 if you hire professionals to do the work for you and about $12,800 if you do it yourself.

Labor costs vary widely, depending on the region of your home and the type of garage you want to build. The national average for installing a garage door is $1,000 and the average cost to build a garage from scratch is $6,000.

The cost to build your own garage depends on its size and features. If you are planning to have a two-car garage with loft that has all the bells and whistles, then you should be prepared to spend anywhere between $12,500 to $18,000. The cost may be lower if you opt for a single-car garage or even higher if you plan on adding an attached shed.

If you are not willing to spend that kind of money but still want an impressive looking garage then here are some tips that might help:

Choose quality materials over cheap materials – A good material will last longer and perform better compared to cheaper alternatives. It is also important that you choose materials that match your house’s style so that it does not look out of place when compared with other exterior features such as doors, windows and siding.

Go for insulation – Insulation will ensure that the temperature inside does not go up too much during summer days when

Labor costs vary depending on where you live and the type of garage you’re building. You can hire a contractor to build a garage or do it yourself.

If you are going to build it yourself, you’ll need to know how much time it will take to complete the project and how much money will be required for materials.

The cost of labor varies depending on where you live and the type of garage you’re building. It can run anywhere from $5 per square foot to $8 per square foot, according to

If you’re using a contractor, they may charge $5-$10 per hour for their labor and materials will cost around $300-$500 per square foot, depending on whether your garage is built from wood or steel frame.

You should also consider hiring someone who has experience in building garages because they will be able to give you advice on how best to save money on this project.

When you’re looking to build a garage, you’ll want to make sure that you’ve prepared the land and the foundation before you begin. You may also want to consult with an architect or engineer so that your structure meets all building codes.

While there are many variables involved in building a garage, here are some general costs for typical projects:

Basic garage (without electrical or plumbing) – $5,000-$10,000

Electricity and plumbing – $1,000-$3,000

Driveway – $2,000-$3,000

The average cost to build a garage is $20,000 to $25,000.

The average cost to build a garage is $20,000 to $25,000. If you’re doing it yourself, the cost will be less. If you have hired help, it will be more. This is the average cost for a 2-car garage with an attached single-story home. If your home is larger or smaller than this, the price could change significantly.

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