They may be significant due to their present or possibleeconomic value, but also because they create a certain emotion withinus, or because they make us feel as though we belong to something â a country, a tradition, a way of life.
On average, slab foundations cost about $20,000 to $30,000 for mid-to large-sized homes. However, keep in mind that prices vary based on the size and layout of your home, and your geographic location.
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.