How much does basement finish cost?

The live Real Cost Index trade benchmark for general contractor work is a $21,500 median, with a middle 50% range of $5,200-$127,365 from 1,145,131 permits. Estimate, not a quote.

How do I verify a general contractor?

Use the ProFix license verification page before hiring and confirm the company, license number, and scope match the project.

Project planner

Basement finish planner

Plan the project with existing ProFix surfaces: the live general contractor cost benchmark, exact permit-checker answer, license verification, material calculators, and quote links.

What it costs

$21,500 median; middle 50% $5,200-$127,365; n=1,145,131 permits; national scope. Estimate, not a quote.

Open the cost guide

Do I need a permit?

Yes

Permits are commonly required for new rooms, egress, electrical, plumbing, HVAC, and inspections.

Check your county

Materials

Drywall calculator — sheets, mud & tape Flooring box calculator — LVP, laminate & hardwood Interior paint calculator

Verify the pro's license

Check the contractor's license or registration before signing, and make sure the license scope matches basement finish.

Verify a license

Get quotes

Use the same project scope when comparing bids, including permit responsibility, materials, warranty, cleanup, and exclusions.

Request quotes Find general contractor pros