Average Basement Finishing Cost – The Spruce

This option refers to a project that involves taking a basement space that is already finished and altering the layout of the space and completing the refinishing work. This type of remodeling project typically costs between $20,000 and $30,000 for basic labor and materials costs, not counting any extras. In may involve creating spaces such as play rooms, recreation rooms, additional bedrooms, or home offices.

If you are willing to do the demolition of existing walls before calling in contractors to do finishing work, you can save as much as $2,000 on the overall cost.

Remodeling work on a basement usually involves some upgrades to wiring and HVAC systems as part of the basic cost package. Adding new plumbingsuch as when a new bathroom or wet bar is being installed, will add to the basic cost, however (see Ala Carte Pricing, below)

Guest suite: This special version of a basement remodel involves adding or remodeling bathroom and installing a kitchenette with cabinetry and necessary electrical upgrades. Expect to pay anywhere from $20,000 to $60,000 for this level of remodeling project.

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Average Basement Finishing Cost - The Spruce