Rates
The Idaho business tax rate is on taxable income. Below is a history of tax rates:
| Year | Idaho business tax rate is on taxable income |
|---|---|
| 2023 | 5.8% |
| 2022 | 6% |
| 2021 | 6.5% |
| 2018-2020 | 6.925% |
| 2012-2017 | 7.4% |
| 2001-2011 | 7.6% |
Permanent Building Fund (PBF) tax
Most businesses must pay the $10 PBF tax. These businesses include:
- C corporations must pay the $10 tax.
- Unitary group of corporations must pay $10 for each corporation required to file in Idaho, whether the corporations file individually or the unitary group includes them in a group return.
- S corporations must pay $10 for each shareholder for whom it pays the Idaho income tax due.
- Partnerships must pay $10 for each partner for whom it pays the Idaho income tax due.
- Estates and trusts must pay $10 for each beneficiary for whom it pays the Idaho income tax due.