How Much Does It Cost to Build an RV Garage? [2026 Data]

In 2026, the national average cost to build an RV garage is $90,000, often ranging from $36,000 to $140,000, depending on your garage size and the materials you choose. On the low end, a basic RV garage can cost as little as $9,000, while large garages with premium add-ons can run upwards of $180,000.

RV Garage Cost by Size: How Square Footage Shapes Price

Most RV garages measure roughly 14 feet by 50 feet, or about 700 square feet total. They cost anywhere from $40 to $140 per square foot, depending on design, garage type, and materials. For a more precise quote tailored to your property and RV's dimensions, contact a garage builder near you for a written estimate.

The table below breaks down the estimated cost to build an RV garage based on size:

Keep in mind that you should plan on sizing up your garage if you also want it to serve as a place to store your primary vehicle.

RV Garage Cost by Siding Material

The siding material you choose for your RV garage significantly affects the final price. Vinyl is the most affordable option at $3 to $12 per square foot. The table below shows estimated siding costs for a 700-square-foot RV garage:

RV Garage Builder Costs: What to Budget for Labor

Labor to build an RV garage averages $20 to $75 per square foot, accounting for about 50% of the total project cost. Garage builders generally don't charge by the hour, so getting competitive quotes from at least three contractors is the most reliable way to evaluate your options. Comparing multiple quotes also helps you build a more accurate overall budget before committing to a contractor.

RV Garage Additional Costs: What Else Should You Budget For?

Beyond the core construction costs, several additional expenses can increase the total cost of your RV garage. Utilities, garage doors, insulation, and site preparation are among the most common budget additions to plan for. Keeping a close eye on these extras from the start will help you avoid surprises as the project progresses.

Garage Door

Most RV garages require oversized doors to accommodate the vehicle, and RV garage doors cost anywhere from $1,300 to $7,000. Aluminum doors tend to fall toward the lower end of that range, while fiberglass or wood-composite doors push toward the higher end. Garage door openers cost around $450 each, and even if you're handling other parts of the build yourself, hiring a professional for installation is strongly recommended, as openers may not work properly if installed by an inexperienced DIYer.

Air Conditioning

Adding HVAC vents and ducts to an attached RV garage costs between $475 and $2,100 when connecting to an existing system. A detached garage requires a standalone HVAC system instead, with a ductless mini split being a common choice at around $4,000. If climate control is a priority, factor this cost in early, as it can vary based on your garage's configuration.

Water

Adding plumbing to your RV garage costs anywhere from $375 to $1,900, with the primary cost factor being whether you can tie into existing water lines or need entirely new lines installed. Connecting to existing plumbing keeps costs toward the lower end of that range, while running new lines from scratch pushes costs higher. If your garage site is far from your home's plumbing, budget accordingly before finalizing the location.

Electricity

Running electrical lines to your RV garage costs around $125 to $300 for an attached garage with easy access to existing wiring. For a detached RV garage, the cost to run electricity to your structure falls between $1,000 and $2,500. Each additional switch, outlet, or light fixture adds $75 to $150 to your electrical budget.

Insulation

The cost to insulate a garage ranges from $0.50 to $1.25 per square foot, which comes to $350 to $875 for the average 700-square-foot RV garage. Insulation is a worthwhile investment for year-round use, helping regulate temperature and protect your RV from extreme weather. Adding an insulated garage door on top of standard insulation can cost an additional $4,000.

Attached vs. Detached RV Garages

RV garage kits come in two main types—attached and detached—and the right choice depends on your available space, budget, and personal preferences. Attached garages are less expensive upfront, though you'll spend more on items like insulation that a detached structure may not require. Most homeowners choose a detached style for its flexibility, since it can be placed anywhere on the property that accommodates the RV's size and turning radius. Detached garages cost less in some cases because the greater flexibility in material selection can help reduce overall expenses.

Site Conditions and Location

If the ground needs to be graded to a level surface or requires drainage work, both your costs and your project timeline will increase. The same applies if you plan to run power or water to the garage, but the site is far from your home's existing plumbing and electrical systems.

Permits

Most municipalities require a building permit before you can construct or install an RV garage, and the cost averages between $1,200 to $1,500. Your town or city may charge more or less depending on local regulations, so check with your municipality early in the planning process. Your general contractor can often help navigate the permitting process if needed.

Why You Should Hire an RV Garage Building Pro

While it’s possible to build your own RV garage (especially with a fabricated kit), we always recommend working with a local garage contractor on this project. Even if you opt for a prefab kit, these pros will complete the project much faster, all while ensuring the structure is sound and stable for years. And if you want to build something custom, these experts will help bring your vision to life. Though they charge $20 to $75 per square foot, the benefits of pro garage builders make the costs more than worth it.

Here’s why it’s ideal to hire an RV garage building pro

There are a few reasons you should consider working with a pro to build an RV garage, such as:

• Ensuring the structure is safe and sturdy

• Ensuring code compliance

• Avoiding injury caused by moving heavy building materials

• Access to work warranties and guarantees

• Help securing permits, if needed

• Help creating a custom garage to fit your needs and preferences

If you want to DIY an RV garage build

While we don’t recommend taking this entire project on by yourself, there are still a few ways to save by handling the prep yourself:

• Come up with a list of needs for your RV garage to ensure an accurate quote

• If using a prefab kit, order it yourself and get professional help with assembly

• Clear the area where the garage will be built

• Make sure you know how much space your garage will need to fit your RV, and don’t forget to add some extra space for clearance and storage

How You Can Save Money on an RV Garage

Installing an RV garage can be a significant investment. To save money on the project, consider the following tips:

• Comparison shop for different methods of building your RV garage: Even if you’re leaning towards a DIY experience with a garage kit, check out how much it would cost to have one built based on available plans versus hiring a specialist to design and assemble one for you. 

• Get at least three quotes or prices from contractors: This is the most effective way to evaluate your options and make sure you’re getting the best possible price.

• Explore different materials: You may be able to save some money by choosing a different material for your garage.

• Keep it simple: It’s tempting to shoot for the moon and install plumbing, HVAC, and full electrical work, but these will all drastically increase your installation costs.

• DIY what you can: While it’s best to hire a professional for major construction, you can save money by DIYing simpler projects, like installing garage organization solutions, finishing interior walls, and installing light fixtures.

Does an RV Garage Increase a Home’s Value?

An RV garage can increase your home’s value thanks to the additional storage space it offers. On average, homeowners can see a 65% return on investment (ROI) on a new RV garage. Although the ROI isn’t quite as high as adding a traditional garage, you could see a higher return if you add a workspace to the RV garage or convert part of it to a living space.

How Angi Gets Its Cost Data

Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects. 

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