With the Desktop version you get One Free State Program (to prepare your returns). To e-file a State return there is a $25 e-file charge. To avoid the charge you can mail in your State return.
It states on the TurboTax website that to E-file a State there is an additional charge.
The following is how it is listed for the TurboTax Desktop software:
Includes 5 federal e-files and 1 State download
State e-file additional
