@drheidi --
If you were a full-year resident of CA in 2023, and you never set foot in NY, then your remotely-earned income is not subject to NY income tax.
Here's the applicable New York law:
"The New York adjusted gross income of a nonresident individual rendering personal services as an employee includes the compensation for personal services entering into his Federal adjusted gross income, but only if, and to the extent that, his services were rendered within New York State."
https://casetext.com/regulation/new-york-codes-rules-and-regulations/title-20-department-of-taxation...
If that's still your situation for 2024, then you should file NY Form IT-2104.1 with your NY employer in order to exempt yourself from NY withholding. Here's a link to that form:
https://www.tax.ny.gov/pdf/current_forms/it/it2104_1_fill_in.pdf
If NY taxes were incorrectly withheld from your pay, then you should file a non-resident NY tax return on which you show the withholding but declare zero NY income, in order to obtain a full refund.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
