Cost To Add Basement House
The cost of adding a basement to your house can vary depending on a number of factors, including the size of the basement, the depth of the excavation, the type of foundation, and the materials used. However, as a general rule of thumb, you can expect to pay between $30,000 and $100,000 for a finished basement.
Size of the basement
The size of the basement is one of the most important factors that will affect the cost. A larger basement will require more excavation and more materials, which will drive up the cost. The average cost of excavating a basement is $10 per square foot, so a 1,000-square-foot basement will cost $10,000 to excavate.
Depth of the excavation
The depth of the excavation will also affect the cost. A deeper excavation will require more labor and more materials, which will drive up the cost. The average cost of excavating a basement is $10 per cubic yard, so a 1,000-cubic-yard excavation will cost $10,000.
Type of foundation
The type of foundation that you choose will also affect the cost. A poured concrete foundation is the most expensive option, but it is also the most durable. A block foundation is less expensive, but it is not as durable as a poured concrete foundation. The average cost of a poured concrete foundation is $15 per square foot, while the average cost of a block foundation is $10 per square foot.
Materials used
The materials that you use to finish the basement will also affect the cost. Drywall is the most affordable option, but it is not as durable as other materials. Paneling is more durable than drywall, but it is also more expensive. The average cost of drywall is $5 per square foot, while the average cost of paneling is $10 per square foot.
Other factors that can affect the cost
In addition to the factors listed above, there are a number of other factors that can affect the cost of adding a basement to your house. These factors include:
- The location of your home
- The availability of contractors
- The time of year
If you are considering adding a basement to your house, it is important to get a detailed estimate from a qualified contractor before you begin. This will help you to avoid any unexpected costs.

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