Basement Finishing Cost Calculator
Cost to finish a basement by size.
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How to use this calculator
- Enter the basement area to finish.
- Pick a finish level.
- See a ballpark cost range.
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Frequently asked questions
- How much does it cost to finish a basement?
- Finishing a basement typically costs $35–$90 per square foot depending on finishes, so an 800 sq ft basement runs roughly $28,000–$72,000.
- Does finishing a basement add value?
- A finished basement usually recovers a good share of its cost and adds livable space, especially with a bathroom or separate entrance.