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.
A slab foundation consists of a flat, cast-concrete slab that rests on a perimeter stem wall, which in turn rests on a below-grade footing. The cost of building this type of foundation includes excavation of the site, grading of the site and the addition of a gravel base layer beneath the slab.