After you file
Grand Rapids requires that you file a nonresident city return when you earn income within their city limits. Therefore, filing within Grand Rapids was correct. Please see the excerpt from the instructions below for more details on the filing threshold for this city return.
As for the city of Walker, you are required to file a City of Walker income tax return if you were a resident at any time during the year, regardless of whether you worked within Walker or not. Please see the attached link for the full instructions as well as a direct link to the City of Walker should you need the forms to file your required returns. You can also try contact the city for further advice on how to proceed depending upon the number of years involved.
City of Walker Resident Forms and Instructions - 2023
