Question: how much does it cost to build a fireplace mantel?
Answer: Install a Fireplace Mantel national average cost The national average cost to install a fireplace mantel is $236.47 per mantel, with a range between $212.16 to $260.79. The total price for labor and materials per mantel is $578.11, coming in between $483.53 to $672.69. A typical 1 mantel project costs $578.