Valentine Corporation's Perma Jack Divison specifically specializes in foundation stabilizing and leveling utilizing a unique and patented pipe pile system - The Perma Jack System . Since 1978, Valentine Corportion has been installing thousands of Perma Jack piles in the greater San Francisco Bay Area. Perma Jacks are installed on both residental and commercial properties to correct foundation movement caused by a variety of conditions. These conditions range from highly expansive soils, to poorly compacted fill, to improper drainage. In most cases, structures and foundations are not only stabilized, but they are also leveled at little or no additional cost to the owner.

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