The average price of a full basement foundation installation is around $40,000, with prices ranging from $25,000 all the way up to $80,000 depending on the size. If you plan on installing a finished basement, you can expect to add between $7,000 and $20,000 depending on square footage and fit and finish.

How much does it cost to build a 1000 sq ft basement?

Square FeetHouse RaisingFoundation1,000$10,000 – $18,000$33,5061,200$12,000 – $21,600$40,2391,500$15,000 – $27,000$50,2992,400$24,000 – $43,200$80,478

How expensive is it to add a basement to a house?

You can add a basement to an existing house for $20,000 to $150,000. A typical scenario you’ll run into is a home with a partial basement and a small crawlspace. You can expect to spend around $50,000 for partial installs.