Duluth, WA Sheds, Carports, Garages and accessory dwelling Units for Sale Sheds for sale in Duluth, WA have an average price of $9112.50 with an average square footage of 148. The average cost per square foot is $61.57. ShedHub.com is aware of 0 dealers within 20 miles of Duluth WA. The most popular shed styles at these locations are High Barns, Mini Barns, and Garages.