Photos: Hillary Clinton's life in the spotlight. Clinton waves to the media in January 1996 as she arrives for an appearance before a grand jury in Washington. The first lady was subpoenaed to testify as a witness in the investigation of the Whitewater land deal in Arkansas.
1 Adding a basement to an existing house can cost $30,000-$70,000 or more, depending on the size of the existing crawlspace or half-basement or if the house is on a slab foundation, and how much of the work is do-it-yourself and how much is done by contractors.
Additional cost considerations for basement foundations include the cost of drainage systems, waterproofing and concrete reinforcements in the cast basement walls.At the time of publication, the cost of a typical full-basement foundation ranges between $13,000 and $30,000.dditional cost considerations for basement foundations include the cost of drainage systems, waterproofing and concrete reinforcements in the cast basement walls.At the time of publication, the cost of a typical full-basement foundation ranges between $13,000 and $30,000.