Concrete slabs typically cost about $6 per square foot, or between $4 and $8 per square foot including labor. That’s about $5,400, or between $3,600 and $7,200 for a typical 30- by 30-foot slab that’s 6 inches deep. Materials alone cost about $4 per cubic foot.
Cost factors include:
- Thickness of slab.
- Thickness of edges.
- Extra dirt work.
- Local material costs.
- Reinforcement material.
- Radiant heat.
- Grading to the subbase.
Research how to choose a concrete contractor and plan on getting at least three bids for your project.
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Concrete Slab Cost Calculator
| Size (in feet) | Approximate Cost |
|---|---|
| 10x10 | $600 |
| 12x12 | $865 |
| 12x20 | $1,440 |
| 20x20 | $2,400 |
| 24x24 | $3,460 |
| 20x30 | $3,600 |
| 25x25 | $3,750 |
| 20x40 | $4,800 |
| 30x30 | $5,400 |
| 30x40 | $7,200 |
| 30x50 | $9,000 |
| 40x40 | $9,600 |
| 40x60 | $14,400 |
| 40x80 | $19,200 |
The typical cost of a cement slab is between $1 and $5 per square foot. Concrete slabs usually cost between $4 and $8 per square foot.
Curious about the difference between cement versus concrete? Generally speaking, cement is an ingredient in concrete. It’s worth noting that people often use the terms interchangeably. Sometimes, you’ll find cement in other materials separate from concrete.
Precast concrete costs between $20 and $30 per square foot. This cost is for a 200 square foot cast and 100 square foot cast, respectively. This price can go down based on the size of the cast, according to the Precast/Prestressed Concrete Institute. The larger the cast, the less it costs per square foot. Other factors that affect price include:
- Size of structure.
- Finish type.
- Number of molds.
Pros sometimes use precast concrete for your home’s foundation or walls. You might pay more up front for precast. However, the National Precast Concrete Association notes there’s long term value in precast concrete, including design flexibility.
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It costs about $6 per square foot to pour concrete, or between $4 and $8 per square foot. Cost varies based on factors like concrete thickness and location of the project.
Concrete’s typically sold at about $110 per cubic yard. Here’s how to calculate what you’ll need for your project:
- Multiply the length of your project by the width and then by the depth.
- Divide by 27, the number of cubic feet in a cubic yard.
- Add 10 percent in case of spilling.
| Thickness | Typical Cost With Labor |
|---|---|
| 2” | $4.55 per square foot |
| 4” | $5.35 per square foot |
| 5” | $5.80 per square foot |
| 6” | $6.20 per square foot |
| 8” | $7 per square foot |
Cost to Finish Concrete
The cost to finish concrete ranges from about $4 to $18 and up per square foot for a typical two-car driveway.
| Finish Type | Cost |
|---|---|
| Standard slab | $4-$8 per square foot |
| Textured, stenciled, colored or bordered concrete | $8-$12 per square foot |
| Engraved concrete, scored and stained, multiple colors or patterns | $12-$18 per square foot |
| Hand or advanced techniques, chemical stains, saw-cut designs or borders | $18+ per square foot |
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Concrete work is labor intensive. Factors that affect labor and project cost include:
- Wire mesh.
- Type of mix.
- Grade of mix.
- Expoxy finish sealer.
| Upgrade | Cost |
|---|---|
| 12”-2’ Thicker edges | $1-$2 per square foot |
| 2” Styrofoam under slab | $0.50 per square foot |
| Wire mesh under slab | $0.35 per square foot |
| Vapor barrier | $0.50 per square foot |
| Pump truck | $900 flat |
Where you live also affects labor cost. You’ll need to speak with local concrete pros about the cost of labor in your area.
| Type | Cost |
|---|---|
| Concrete patio slab | $2,780 |
| Concrete slab for shed | $480 |
| Concrete garage floor | $3,460 |
| Concrete work for driveway | $3,650 |
| Monolithic slab foundation | $12,300 |
| Concrete parking pad | $1,200 |
| Concrete RV pad | $3,840 |
| Slab for mobile home | $9,720 |
Cost to Lay a Concrete Patio Slab
The cost to install a concrete patio is $2,780. Some of the significant factors that make up the price include:
- Cost of materials.
- Price variation between concrete contractors near you.
- Any unique or specialized finishing you add on.
Looking to save? It’s possible to pour concrete over an existing concrete patio if you’d like to expand the size or make a new surface. The cost to install a stamped concrete patio is cheaper than other ways of decorating.
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Cost of Concrete Slab for Shed
A concrete slab for a shed costs about $480. That’s for an 8x10 foot space with 6-inch depth.
Concrete Garage Floor Cost
It costs about $3,460 for a concrete garage floor. This includes all labor and materials for a typical 24x24 foot two car garage with 6-inch thickness. Some homeowners like to add an additional sealant for protection. The cost to coat concrete flooring with epoxy ranges from $1,430 to $2,960.
On top of cost factors already mentioned, it’s important to check with local experts to find out what this project costs in your area.
Starting from scratch? The cost to build a garage ranges from $16,840 to $38,770.
Price of Concrete Work for a Driveway
Concrete driveway installation costs about $3,000, or between $1,800 and $6,000. Cost factors include:
- Local material cost.
- Removal of existing surface.
Monolithic Slab Foundation Cost
A monolithic slab foundation costs between $4,600 and $20,000. Monolithic means pros pour the base of your house all at once. Your foundation should be able to keep moisture out of your house, protect you from the cold and safely hold your house up. Total cost depends on factors like the size of your home and where you live.
The cost to build a basement or foundation typically ranges from $4,000 to $12,300.
Slab for a Metal Building
The cost of a concrete slab for a metal building is about $6 per square foot, or between $4 and $8 per square foot including labor. A structural engineer or general contractor can provide more detail about the exact cost of your project based on factors including:
- The weight of the structure.
- The reinforcements needed in the concrete.
- The thickness of the concrete.
- The climate you live in.
Slab on Grade Cost
The cost of a concrete slab on grade starts at about $6 per square foot, or between $4 and $8 per square foot including labor. Price increases based on:
- The type of soil you’re building on.
- Reinforcements within the concrete.
- Local labor and material cost.
Factors like climate and soil type influence whether or not slab on grade is a good foundation for you. You’ll need to speak with a structural engineer near you before making any decisions.
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Concrete Parking Pad Cost
A concrete parking pad costs about $1,200. This is for a 10x20 foot parking pad that’s 6 inches thick. You’ll need to check local laws and ordinances before installing a parking pad. Some cities have even banned them.
Concrete RV Pad
A concrete RV pad costs about $3,840. This is for a typical 16x40 foot pad that’s 6 inches deep. You may need to tweak the size depending on the length and width of your RV, and whether or not you have slide outs.
Cost of Slab for Mobile Home
A slab for a mobile home costs about $9,720. This is for a 1,330-square-foot mobile home, with 6-inch thick concrete.
Slab flatwork is messy, complicated work. These types of jobs refer to your walkways, driveways and concrete floors. From demolition work to prep reinforcement to edging, each one of these jobs requires expertise and equipment most people don’t have available. You may save a couple thousand dollars on labor, but if the end result is a shoddy driveway or a floor that’s not properly reinforced, you could get yourself into a financial hole trying to fix the problem. Ultimately, concrete installation is very difficult unless you’re extremely experienced with DIY.
What’s the cost of a concrete slab for a house?
A concrete slab for a house costs about $15,000. That’s for a typically sized 2,600 square foot house with 6-inch thickness.
How much is concrete per yard?
Concrete costs about $110 per cubic yard. The cost to deliver concrete ranges from $1,570 and $6,800.
How do I calculate the cost of concrete for my home project?
To calculate the cost of concrete for your home project, first find out the cost per square foot of concrete and labor in your area and multiply it by the cost per square foot for your thickness. Need help with estimation? Use our concrete calculator.
How much is the cost of a 30x30 concrete slab?
A 30x30 foot concrete slab costs about $5,400 including installation. This is for 6-inch thickness, but can go up or down depending on what your concrete pro recommends.
How long does a concrete slab last?
A concrete slab can last anywhere from 30 to 100 years if installed correctly. Factors that impact the lifespan of a concrete slab include:
- Timely repair of cracks or breaks.
- Weather.
- Type.
How long does it take to install concrete?
It typically takes between 24 and 48 hours to install concrete. This is for an average residential project and includes the time it takes to pour the mix and let it dry enough that a person can walk across it without leaving a dent.
Don’t put any heavy machinery on newly poured concrete. It takes about 28 days for a typical mix to fully set.
What’s the thinnest a concrete slab can be?
The thinnest a concrete slab can be is about 2 inches. The thicker the material, the stronger it is. Typically, a pro applies thin layers on an area like a walkway. Even though a thinner layer is cheaper, the cost to build a concrete walkway is largely determined by the size and length you prefer.
