I don’t know how you filed your previous two years returns because I do not have access to them, so I can’t tell you why you got all your California income tax back. It’s possible you filed a non-resident California return and reported $0 California income because you worked in Nevada the whole time.
I suggest uploading your 2019 tax return in Documents in the left column of TurboTax Online and speaking with a Live Tax Expert.
Click How do I schedule my review using TurboTax Live?
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