Generally, inherited property (including cash, stocks, and real estate) is not taxable or reportable on a personal1040 federal return.
However, any income earned from an inheritance such as interest, dividends, rent or capital gains will be taxable.
An inheritance will be taxable if you inherit an IRA, 401(k) or other retirement account and receive a distribution in which case you will receive a 1099-R form that should be entered on the 1040 return
If you received taxable income from the estate, you should have received a Schedule K-1 from the executor or administrator of the estate. If so, see the below link for instructions to enter on your return.
https://ttlc.intuit.com/questions/4099920-where-do-i-show-disbursement-from-a-will
Only a handful of states (Iowa, Kentucky, Maryland, Nebraska, New Jersey and Pennsylvania) have some kind of inheritance tax. Refer to your state's Department of Revenue to see what the requirements are for filing inheritance tax.
