When I enter the differed date of estimated tax payments made in Sacramento County CA in 2023 TurboTax shows that I have to pay a penalty. That is incorrect.

Yes, you can and should request a penalty waiver since you were impacted by a federally declared disaster.

Here's how to do that:

1. Sign in to your TurboTax account.
2. Select Other Tax Situations.
3. Select Start or Edit to the right of Underpayment Penalties.
4. Answer the first several screens according to your situation.
5. When you get to Penalty Waivers, answer Yes. 
6. Answer Yes to You Can Request a Waiver.
7. Answer Waive all to Do You want to Reduce Your Penalty?
8. In the explanation box enter, "California, severe winter storms, flooding, and mudslides".
9. Continue through the end of the section.