Iowa state taxes
FreeIowa income tax withholding (the four-step formula using each employee's IA W-4 marital status and allowances) and employer-paid Unemployment Insurance — with the Department of Revenue and Workforce Development payments tracked on each run. School district surtax and filing forms aren't built yet.
Where to find itSettings → Active states, and Settings → Tax rates
Run payroll yourself, for less
Free for up to ten employees; Pro is $20/month with no per-employee fees.
