Mar 07, 2017 · Based on these estimates, the annual ownership cost for a polywire or polytape fence is approximately $0.06-$0.07 per foot. A lawful fence Chapter 359A.18 of the Iowa Code states: A lawful fence in Iowa shall consist of: 1. Three rails of good substantial material fastened in or to good substantial posts not more than ten feet apart. 2.Jan 13, 2022 · Wood Fence Cost by Type . When installing a wood fence, consumers have various options ranging between $3 and $35 per linear foot for the materials only. While most fencing materials won't set you back more than $20 per linear foot, some types, such as the privacy fence, can cost $20 to $45 per linear foot. Know that the type impacts the overall cost of your project.