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According to our concrete slab material estimator, the average minimum cost per square foot of a concrete slab is $1.36 and the maximum is $1.88. By comparison, the price per square foot for a cement slab is $5.50. Just know that even if you do not hire a pro, there are additional costs that come with all concrete slab projects.
Concrete Patio Cost. A plain concrete slab usually costs $2 to $5 per square foot installed, depending on your region of the country. Decorative concrete patios start at about $6 to $10 per square foot for a simple design.Custom work involving borders, multiple colors and hand-application techniques costs $10 to $15 per square foot or more.oncrete Patio Cost. A plain concrete slab usually costs $2 to $5 per square foot installed, depending on your region of the country. Decorative concrete patios start at about $6 to $10 per square foot for a simple design.