Get your taxes done using TurboTax

There is no panel in TurboTax for a 1099-S.

you file as follows "10% interest in inherited property".

figure the sale as if there were one owner and then divide all those amounts by 10  on your return.

 

When a home becomes vested, you (in this case, you and your mom) had to get an appraisal  by a professional appraiser to set your cost basis.