average price to build a carport per square foot
1 The above figures place the cost of the carport at a very reasonable $8.80 per square foot. 2  This pricing structure assumes that carpenters charge an average of $70 per hour, electricians between $65 to $85 per hour, and painters between $20 and $35 per hour. Pour concrete footings and slab to grade-Average price of concrete is $75 per cubic yard, with piers and the full slab it that would require roughly 26 cubic yards and would cost at least $2000;