The cost of HardiPlank siding varies by region, but it generally runs between $180 to $210 for general products and $276 to $336 for high-end products as of 2015. The cost to have HardiPlank siding installed ranges from $252 to $384 for low-end installation to $420 to $480 for high-end professionals.
The overall average price for low-end HardiPlank siding is $4.28 per square foot, while the high-end is $6.30 per square foot as of 2015. Before beginning installation, customers should contact several licensed HardiPlank contractors to get estimates on the overall project. Homeowners who want cheaper prices can schedule installation in the fall or winter when contractors do not have as much work.