NO state tax in state of Washington. Why do I have to fill state drivers license ?

[DoninGA]

You don't.  Continue past this section or indicate you do not have a drivers license.

[mesquitebean]

It's not required, but see this:

FAQ:  Why is TurboTax asking for my drivers license or state ID?

https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/asking-driver-license-state-i...