Get matched with top concrete driveway pros in Mars Hill, ME

A concrete slab costs between $3,600 and $7,200. The price can fall outside of this range if you need a slab that’s thicker than normal, or if you want or need reinforcements, like steel rebar. In some cases, you may be able to purchase a prefabricated concrete slab that is delivered to you already poured.

Concrete can take up to 28 days to completely harden, depending on the type and its water content. But it dries enough for foot traffic in 24 to 48 hours. If you're curious about how long it takes concrete to dry entirely, the answer is more complex, so always check with the specific mixture instructions before adding heavy machinery or driving on new concrete.

The average cost to replace concrete depends on the amount of material you need. However, you can expect the cost of replacing a concrete driveway to range from $2,000 to $7,000, or about $15 per square foot.

If you want to install or replace a concrete patio, the cost ranges from $800 to $9,000, depending on the size and exact materials. If you only need a slab, concrete slab costs range from $4 to $8 per square foot, or an average of $5,400.

If you don’t seal a concrete patio, the surface may crack, fade, or stain. While it’s not strictly necessary to seal a concrete patio, doing so can help protect it, extend its lifespan, and enhance its beauty.