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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.
0. The average cost to lay concrete per square foot is about $4. Prices have gone high in the past few years due to the inflation. The cost to lay concrete in the USA used to be between $1.5-$2.5 but these days it is near $4.5 or even as high as $5.It also depends on the person to whom you are giving the job for concrete.. The average cost to lay concrete per square foot is about $4. Prices have gone high in the past few years due to the inflation. The cost to lay concrete in the USA used to be between $1.5-$2.5 but these days it is near $4.5 or even as high as $5.