MaryK4
Expert Alumni

State tax filing

First you need to determine when you first established California residency- see Am I a resident?.

 

Based just on the details in your questions, you were in transition through the end of the year in which case you would have been a Washington resident for all of 2022.  If a state decides to pursue state income taxes, they will look at all of the circumstances- some are clear (like the dates you get a new driver's license etc) but there is an intent component that can be more difficult to prove. Here's why it makes a difference:

 

In general, nonresidents pay income tax (if required) in the state where the work is performed.  Residents must pay state taxes (if required) on all income regardless of where it was earned.  If any income is double-taxed at the state level, a credit for the taxes pair to the nonresident state can be claimed on the resident tax return. 

 

 

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