What is the ruling on money earned from renting out a house that was bought with mixed funds, including Zakat paid once, money obtained through tax evasion, and bank interest?

Zakat is obligatory on wealth if it reaches the نصاب (minimum threshold) and a whole year has passed on it. As for ill-gotten wealth (haram money), zakat is not obligatory on it, and it must be disposed of.

A house purchased for profit is not subject to zakat on its intrinsic value, but rather on its income if it reaches the نصاب and a whole year has passed on it.

It is not necessary to dispose of a house purchased with mixed funds (halal and haram); it is permissible to benefit from it, provided that the equivalent amount of the ill-gotten money is given to the poor and needy.