Seattle’s income tax that passed in 2017 is still on the books, though was later found unconstitutional. Should the “millionaire tax” pass and be upheld by courts, that could make Seattles 2.25% income tax valid and enforceable too.

This city income tax is still on the books but just not enforceable due to the courts finding it unconstitutional in 2019.

https://library.municode.com/wa/seattle/codes/municipal_code?nodeId=TIT5REFITA_SUBTITLE_IITA_CH5.65INTAHICORE_5.65.030TAIMAT

Should the millionaire income tax pass and be upheld by courts, Seattle may be able to start enforcing its 2.25% income tax above $250k.

Legal scholars opine.