8 Labor Cost To Build A Carport : Whats Better?. A carport costs $7,200 on average. Because of these factors, there is a wide range of costs associated with building a carport.
The average cost to build a carport is $6,000. The cost will vary depending on the size and materials used. Having your carport made using fir will cost from $4,500 to $5,300 for an average 20'.
