icf foundation cost comparison
The rate for 4 ft foundation walls varies anywhere from $10 to $18 per foot, though depending in your state, area, number of companies that do this type of work the rate may be much higher or lower. At $10/ft for a 30ftx40ft structure, the foundation wall will cost $1,500-$1,800.s far as the ICF prices, the total cost for the ICF blocks to complete the 30ft x 40ft building with 4ft high wall will be about $2,100 plus delivery to the jobsite.