How Much Does a Basement Excavation Cost?
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A basement excavation is a process of digging out a basement underneath an existing house. If you want to add more space to your home be do not have room to add on to the outside, digging a basement underneath the home may be an option. Not only will this add more space to your house, it will also increase the home’s value. Basement excavation can be done under the entire home or just under part of it, depending on your preferences and your budget.
How much does it cost?
- The average cost of basement excavation on an existing home is around $10 to $20 per square foot for excavating or extending a basement in a new home. This does not include costs for material removal. However, if the house has not been built yet and the basement has to be dug, plan on budgeting around $2 to $5 per square foot.
- With these prices ranges, a 1,000 square foot basement dug underneath an existing home would cost from $10,000 to $20,000. On an home that is being built, a 1,000 square foot basement would cost $2,000 to $5,000. Keep in mind, however, that this is for the actual excavation only and does not include any pouring or finishing.
- Since all jobs are going to be rather unique, it is highly recommended that you get exact quotes by calling different companies in your area. Free services such as HomeAdvisor.com can help you get quotes in your area.
- For example, a user on the website Gardenweb.com claimed that they had received quotes for a 2,500 square foot home that ranged from $38,000 to $40,000.
What is going to be included?
- Excavation jobs will require the contractors to dig at least eight feet into the ground to create the basement space.
- The cost of basement excavation may include the cost of materials and equipment, labor, excavation, and the removal of debris thereafter.
- Purchase of supplies or materials online or from other areas may also include handling, shipping, or delivery costs.
- Basement excavation includes the digging out of the foundation of a house. This is useful if you are planning to use this extra space for another level or room in your home.
- Basement excavation may be simple or widespread and complex.
What are the extra costs?
- Complex and rocky soil that makes it hard for the contractors to dig can add to the overall costs.
- Additional costs may also be necessary for rental of equipment needed for the basement excavation as well as cleaning up and removal of debris afterward.
- Most excavations include disposal on site. If you choose to have all the material taken away, this can add as much as $2 per cubic yard of material.
- This type of job will definitely require a building permit. Check with your city to see what the procedures and costs will be.
- Do not forget that excavation is just the beginning of building a new home or adding a basement to an existing home. Adding additional plumbing, doors, windows and connecting utilities can add thousands of dollars.
- If the basement of an existing home has to be extended, a structural engineer can cost $1,000 to $2,500 to assess the situation.
Tips to know
- Shop around for the cost of basement excavation. Ask several contractors to bid so that you will be able to compare costs, quality, and services provided by each contractor. You can also go online and get some price quotations.
- Before you even begin, you may want to check with a civil engineer, especially if you want to add to an additional house. You will want to make sure that your home is structurally sound and able to accommodate a new job. Some homes may not qualify for this type of job.
How can I save money?
- If you want to add to your existing home, you have to ask yourself if the job is really worth it. Take the numbers above, for example. Let’s say that you had a quote for $40,000 for your 2,000 square foot home. Would this be worth it to you for the additional space? What could you potentially buy in your neighborhood for that additional money? These are the questions you will want to ask yourself to make sure that the job makes sense.
- There are other ways to add space to your home without having a basement dug out. Check into additions, sunrooms, etc. for other options.
- You can save on the small things such as getting rid of the earth and debris after the basement is excavated.
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