Cost to Install a Wood Fence - Estimates and Prices at Fixr - Fixr.com.Average cost to install a wood fence is about $3000-$5700 (? acre 3'-4' picket fence with a medium quality wood and a gate). Find here . If they are charged hourly, labor costs are $25-$50 per hour per laborer. Ranch style: for . This will add an extra 25%-35% to material and labor costs compared to a 6' privacy fence 8.