The cost to build a carport can range from $3,072 to $9,435, depending on the size, materials, and type of carport. Keep reading to learn about carport costs.
Cost to Build a Garage in St. Louis [2025 Data]
Normal Range: $18,322 - $26,611
The cost to build a garage in St. Louis, Missouri, is $22,466 on average, but ranges between $18,322 and $26,611 depending on its size.
How we get this data
Patricia Marroquin / Moment / Getty Images
Patricia Marroquin / Moment / Getty Images
Cost Insights
A new garage can protect your vehicle from St. Louis’s frequent thunderstorms, hail, and heavy winds.
A garage can increase your home’s value, with an ROI of 60% to 85%.
Hiring a qualified St. Louis garage builder will ensure your new garage is up to code and built correctly.
In St. Louis, there is a $25 application fee and an additional $10 per $1,000 or fraction of the estimated construction cost.
Building a garage in St. Louis, MO, costs around $22,466 on average, with most homeowners paying between $18,322 and $26,611. Garage size, materials used, and whether it’s attached or detached will make the biggest difference in how much you’ll pay. Take a look at what you can expect to pay to build a garage in St. Louis.
Garage Building Cost Factors
The cost to build a garage in St. Louis, MO, depends on several factors, including garage size, materials used, garage type, labor costs, and more. To help you budget accurately for this project, we’ve broken down some of the key factors and how they may affect your total project cost.
Size
You'll pay about $38 per square foot on average between labor and materials when working with a professional. However, you'll find prices as low as $23 per square foot for simple, attached garages and up to $91 per square foot for detached, high-end garages with all the bells and whistles.
Below, we've listed the average cost to build a garage by size:
| Garage Size (Sq. Ft.) | Average Cost |
|---|---|
| 12x20 | $5,475–$21,900 |
| 18x20 | $8,200–$32,825 |
| 20x20 | $9,125–$36,475 |
| 20x22 | $10,025–$40,125 |
| 22x22 | $11,025–$44,150 |
| 32x22 | $16,02–$64,225 |
| 32x34 | $17,500–$70,075 |
Materials
The materials you use for your garage can also affect the total project cost. Sturdy materials like brick and cinderblock offer protection from St. Louis’s frequent thunderstorms and periodic tornadoes, but they’ll cost more than prefab pole barn garages and those made from other materials like metal. A stick-built garage that matches your home’s aesthetics comes at a high initial cost but can look like an original part of the house rather than an addition.
| Garage Material | Average Cost (per Sq. Ft.) | Pros | Cons |
|---|---|---|---|
| Brick | $30–$45 | Extremely durable | High initial cost |
| Brick-veneered | $5–$30 | Brick look with lower cost | Susceptible to leaks |
| Cinderblock | $30–$65 | Fire resistant | Prone to cracking |
| Metal | $15–$35 | Resistant to pests, fire, and rot | Noisy during rain or hail |
| Stick-built | $40–$70 | Match home’s aesthetics | Higher cost |
| Prefab pole barn | $11–$40 | Fast installation | Less durable |
Type
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The cost to build a garage will also depend on the type of garage you’re building. One-car and attached garages will cost less than detached garages and those that hold multiple cars, due to the total amount of material used and construction time.
| Type of Garage | Cost to Build |
|---|---|
| One-car | $7,975–$20,525 |
| Two-car | $11,400–$30,400 |
| Three-car | $21,275–$43,325 |
| Attached | $8,200–$49,612 |
| Detached | $10,950–$57,900 |
Permits
Before starting construction on a new garage, you’ll need a building permit from the St. Louis Building Division. Permit fees include a $25 application fee plus $10 per $1,000 or fraction thereof of the estimated construction cost, so a permit for a garage costing St. Louis’s average of $22,466 would cost $255.
Accessibility
If you plan on making your garage more accessible, you may need to hire a local ramp installation pro to install a ramp over the concrete foundation. This may require extra landscaping renovations.
Add-Ons
Customizing your new garage with add-ons like installing a garage door opener, adding insulation, installing doors and windows, and adding living space to your garage will add to your final cost. Here are a few common add-ons and how much you can expect them to cost.
| Type of Add-On | Average Cost |
|---|---|
| Windows | $300–$2,500 |
| Automatic door | $750–$5,000 |
| Exterior door | $150–$1,400 |
| Insulation | $1,900–$7,700 |
| Storage | $500–$2,200 |
| Security | $300–$2,000 |
| Living space | $125–$250 per sq. ft. |
Garage Builder Costs
Hiring a garage builder in St. Louis to build your new garage will account for around 50% to 70% of your total project cost. An experienced garage builder will help you design the perfect garage for your needs and property, answer your questions about building a garage, keep the project on schedule, and ensure your new garage is compliant with all local codes and regulations.
Additional Pros to Consider Hiring
While building a new garage, you may need to hire some additional pros to get the job done. A structural engineer to review your plans to ensure your garage is structurally sound will cost an average of $200 to $1,500, depending on the scope of the job.
If you’re finishing your garage’s walls, a drywall installer will cost around $1 to $2.10 per square foot for labor plus the cost of materials. Hiring an electrician to run wiring in your new garage will cost an average of $50 to $100 per hour, depending on the complexity of the job.
Angi Tip
Installing a garage door without prior experience can be extremely challenging and potentially dangerous. It's highly recommended to contact a pro if you need a garage door installed.
Does Building a Garage Increase Home Value?
A garage can add value to your home, with a return on investment (ROI) of 60% to 85%. In St. Louis, a garage can make your home easier to sell and allow you to ask for a higher selling price, since prospective buyers prefer to keep their vehicles protected from the elements. A finished garage with an included living space will have the highest ROI, but any well-built garage will increase your home’s value.
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 survey real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from 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.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
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