How much does underpinning cost?


Quick Answer

According to Cost Helper, the cost of underpinning one corner of a house ranges from $3,500 to $5,000 as of 2014. The difference in cost depends on the type and cost of the piers used, the depth of excavation and labor cost.

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Full Answer

Underpinning is a method employed when repairing faulty foundations or lowering the basement of a house. This technique involves excavating, pouring concrete and installing concrete or steel piers as support for a deeper foundation. There are several methods used in underpinning depending on the type of repair required. Some contractors use the mass pour method for simple basement lowering project. Others use underpinning with piles and beams or screw piles and brackets to increase the foundation's load bearing capacity.

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