North Topsail Beach, NC Sheds, Carports, Garages and accessory dwelling Units for Sale Sheds for sale in North Topsail Beach, NC have an average price of $9061.50 with an average square footage of 200. The average cost per square foot is $45.31. ShedHub.com is aware of 1 dealers within 20 miles of North Topsail Beach NC. The most popular shed styles at these locations are High Barns, Mini Barns, and Garages.