Land Clearing Cost. The average cost to clear land to build a house is between 1,150 and 3, clearing cost per acre ranges from 1,500 to 3,000 on lightly wooded lots and between 3,790 to 6,710 for a heavily wooded area. Depending on why you need the land cleared, what needs to be removed, and the acreage of the land, you could see prices as low .