Amending 2021 taxes due to incorrect real estate taxes paid - do I need to amend both federal and state?

Hi -

I realized that I incorrectly inputted my real estate taxes for my primary residence for my 2021 taxes. Instead of $3k in taxes, I actually had $20k. So, I opened up TT and put in the additional real estate tax paid, which is the difference - $17k.

Now, I noticed that the refund computed in TT for my federal return was $0, but the IL state return had a sizable $800 refund. Do I need to file an amendment for just state, or both federal and state? Not sure if this matters, but I believe TT itemized my deductions for 2021 since I also donate to charity.

Thanks!

167

Expert Alumni

Apr 17, 2023 8:16:59 PM

You just need to amend the state return since there was no change in tax on the federal return.

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Amending 2021 taxes due to incorrect real estate taxes paid - do I need to amend both federal and state?