Since the cost for fencing can vary widely, it's important to estimate cost per project, keeping the specific materials and dimensions in mind. Nationally, costs range from about $1,500 to $4,000 for new fence installation. On average, homeowners spend $2,550, but prices can vary slightly by region.Continue Reading.ince the cost for fencing can vary widely, it's important to estimate cost per project, keeping the specific materials and dimensions in mind. Nationally, costs range from about $1,500 to $4,000 for new fence installation. On average, homeowners spend $2,550, but prices can vary slightly by region. Continue Reading.