Rock Island mobile home tax deadline announced: Rock Island County Treasurer Louisa A. Ewert has announced mobile home taxes are due by Friday, July 12. Payments may be made at the County Office Building, 1504 3rd Ave., Rock Island, in the county treasurer’s office from 8 a.m. to 4:30 p.m.
Payments bearing a postmark up to and including Friday, July 12, are accepted without penalty. State law requires a penalty of $25 per month or any part of a month payments are not made by the deadline. For any questions, call the county treasurer’s office at 309-558-3510