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 cost of concrete slabs also needs to include the cost of excavation. A base of gravel that is normally four inches thick is laid after the area is dug and footings are put in place. The cost of gravel is generally $0.79 per square foot.