For 2013, the SCF reports a mean family net worth at $534,600, which means that if you added up the total net worth of all families surveyed and divided that by the total number of families in the survey, the resulting value would be $534,600.
Typically the most expensive type of foundation, the full basement variety consists of a slab basement floor with stem walls that extend from the basement floor to the main level of the building and footers. Homeowners who choose this type of foundation will incur higher costs due to the need for deeper excavation. Grading and forms are also needed in addition to drainage, waterproofing and concrete reinforcements in the basement walls. People who choose a full basement foundation may pay as much as $30,000.
Cost of Materials. The cost of adding a new wall to a home depends on the material used. Brick walls are often an affordable option, and a hollow brick wall costs around $25.40 per square foot.Hollow bricks feature a unique design with a durable shell and a hollow space in the center of each brick. natural stone wall will cost around $8 to $12 per square foot based on the type of stone chosen. A concrete block wall costs $6.10 to $7.60 per linear foot.