Concrete Slab Cost Calculator (2026)
Estimate the cost of pouring a concrete slab by type and state. A typical 400 sq ft slab runs $2,400–$10,000 installed depending on thickness, reinforcement and finish.
What kind of slab?
Cost by material / system
| Option | Low | High |
|---|---|---|
| 4-inch slab (400 sq ft) | $2,400 | $4,800 |
| 6-inch slab (400 sq ft) | $3,200 | $6,400 |
| Reinforced slab | $3,600 | $7,600 |
| Slab with footings | $4,000 | $8,000 |
| Stamped / decorative | $5,200 | $10,000 |
What drives the price
Price per square foot is $6–$12 for a basic slab and $13–$25 for stamped or reinforced work. Thickness, rebar/mesh, site access, grading and the state labor rate move the number most.
Cost by state
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming District of Columbia
FAQ
How much does a concrete slab cost?
A 400 sq ft 4-inch slab runs $2,400–$4,800 installed; a 6-inch reinforced slab with footings is $4,000–$8,000. Decorative finishes can double the price.
What is the price per square foot?
Basic slabs are $6–$12 per sq ft; stamped or reinforced slabs run $13–$25 per sq ft depending on finish and thickness.
How long before I can use the slab?
Foot traffic after 24–48 hours, vehicles after 7 days, full cure in about 28 days.