How much does a basement finishing cost? (2026)
Convert unfinished basement to livable space with framing, drywall, and flooring.
For a typical 800 sq ft basement finishing, mid-range runs about $20,496 at national trade wages — roughly 36% labor, 62% materials. Local labor rates swing this by ±30% or more, which is why the metro pages below exist.
Basement Finishing cost in 100 US metros
Basement Finishings — what homeowners ask
Finishing a basement costs $25-$60 per square foot. A basic finish with drywall and flooring costs $25-$35/sqft, a mid-range finish with bathroom and kitchenette runs $35-$50/sqft, and a high-end finish with wet bar and home theater can exceed $60/sqft.
Finishing a basement typically recoups 60-70% of costs in home value and adds usable living space. It is one of the most cost-effective ways to add square footage to your home without building an addition.
A basement finishing project typically takes 4-8 weeks. Simple conversions with minimal plumbing can be done in 3-4 weeks, while full buildouts with bathroom, kitchen, and custom finishes may take 8-12 weeks.