This process is called underpinning, and it requires more time and labor, so it can add up to $20,000 to the project. Your home may need to pass structural checks to determine whether it’s safe to raise.Īlternatively, you can have your home braced at each foundation footing while the digging takes place underneath. While this is the quicker and less expensive option at $3,100–$9,400, it also subjects the home’s structure to substantial stress, potentially causing cracks or other damage to the walls, floors, or ceilings. One way to support a home is to raise it on hydraulic jacks. Cost of Raising or Bracing the HomeĪ house needs support when the earth underneath is excavated to create a basement. Creating a 1,000-square-foot basement requires excavating about 300 cubic yards, so you’ll likely pay between $22,500 and $45,000 for the digging alone. The digging itself is the largest contributor to basement excavation costs since you’ll pay between $75 and $150 per cubic yard of dirt removed. Foundation: A new concrete foundation will need to be poured under your new basement.
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