Does Idaho Have an Estate Tax or Inheritance Tax?

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Short answer: No. Idaho has no estate tax, no inheritance tax, and no state gift tax. The federal estate tax applies only above $15 million per person (2026) - so for nearly every Idaho family, taxes are not the reason to do estate planning.

The Idaho picture. Idaho repealed its estate tax mechanism along with the federal credit that funded it; for deaths after 2004 there is simply nothing to file at the state level. Heirs pay no Idaho tax on inheritances, and Idaho imposes no gift tax during life.

The federal picture (2026). The 2025 federal tax legislation permanently set the estate and gift tax basic exclusion at $15 million per person beginning in 2026, indexed for inflation afterward - the long-threatened 'sunset' to roughly half that amount never happened. Married couples can combine exclusions ('portability') for $30 million of shelter, though portability requires filing an estate tax return at the first death to elect it. The annual gift exclusion is $19,000 per recipient (2026). You and your spouse can give any child and their spouse $76,000 a year combined without touching the lifetime exclusion or filing anything.

What Idaho families should actually plan around:

  • Capital gains basis - the live tax issue for ordinary families. Inherited assets get a fair-market-value basis at death; community property gets the full double step-up at the first spouse's death. Bad lifetime gifting (deeding the appreciated house to the kids) forfeits this and creates avoidable tax.
  • Retirement account taxes - most non-spouse beneficiaries must drain inherited IRAs/401(k)s within 10 years, with income tax due as money comes out. Beneficiary choices and Roth conversions are where the real tax planning lives.
  • Probate costs, incapacity, guardianship for kids, blended-family fairness, and long-term care exposure - the actual reasons Idaho families need plans.

If a salesperson is pitching you a trust 'to avoid estate taxes,' ask which tax they mean. For estates under $15 million, the honest answer is none - and the right plan is the one built for your family, not a tax problem you don't have.

Tax laws can change, so working with an experienced CPA and estate planning attorney is important.

Liberty Law Idaho offers flat-fee estate planning and family law services with prices published up front. Schedule a consultation - in person in Meridian or virtually anywhere in Idaho - at libertylawidaho.com or (208) 273-8825.

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