Income Tax
You must file individual income tax returns with Idaho if you are any of the following:
- An Idaho resident
- A part-year Idaho resident with income from Idaho sources or income earned while an Idaho resident
- A nonresident of Idaho with income from Idaho sources
File your return and pay any tax due on or before April 15!
- Free eFile (Federal and State)
- Printable Federal Tax Forms
- Printable Idaho State Tax Forms
- Idaho State Tax Instructions
Property Tax Relief Forms
Libraries around Idaho are getting information out to property owners who could file applications for the up to $1500 annual property tax reduction provided by the State of Idaho to eligible homeowners (generally over age 65 and low income, with additional possible benefits for disabled veterans).
Online Form:
Paper applications: