What Taxes Apply to My Inheritance in Montana, and When Will I Receive It?

Montana imposes no inheritance or estate tax; probate assets arrive when the estate closes, 4 months to 6 months for a simple estate.

State

Inheritance Amount

Document Type

What are you inheriting?

Money and personal items

House or land

Retirement account or life insurance

Date of Death

See the taxes and timeline for your inheritance

Select how the estate is being administered and what you are inheriting to see whether Montana taxes it, the federal tax rules, a timeline estimate and next steps.

General information about state inheritance tax, federal tax rules and the timeline to distribution, not legal or tax advice. Timeline figures follow the state's probate duration or trustee creditor-notice period; direct-pay assets follow the institution's claim window. Consult a licensed attorney for legal questions and a licensed tax professional for tax questions.

No. Montana imposes no state inheritance tax, so a beneficiary owes no state tax on what they receive. An inherited retirement account (a 401(k) or a traditional IRA) is still taxed as income when it is withdrawn, and the federal estate tax reaches an estate above the federal exemption.

No. The IRS does not treat inherited money, real estate or personal items as income, so a beneficiary in Montana does not report them on a federal return when received. Two exceptions: an inherited retirement account (a 401(k) or a traditional IRA) is taxed as ordinary income as it is withdrawn, and earnings after the date of death are taxable. Inherited property takes a stepped-up basis, its value on the date of death, for any later capital gain.

It depends on how the asset passes. Life insurance and a retirement account with a named beneficiary pay in a few weeks once the claim is filed. Trust distributions in Montana follow the trustee's administration rather than a court timeline. A probate estate in Montana takes 6 months to 12 months on average, and longer with a dispute or unusual assets.

Montana gives creditors 4 months to file a claim against the estate. The executor does not make final distributions until the period has run, which is what keeps a beneficiary from inheriting an unpaid debt along with the asset.

In Montana, estates valued at $100,000 or less skip probate with the Collection of Personal Property by Affidavit, 30 days after death. The Collection of Personal Property by Affidavit is presented directly to the bank, employer, or other holder of the property — it is not filed with a court. The waiting period is 30 days after death. For a beneficiary that means the asset arrives in weeks rather than the months a probate estate takes.

Inheritance Tax and Timelines in Montana

Montana does not impose a state inheritance tax, so beneficiaries generally owe no state tax on an inheritance. Inherited retirement accounts (401k, traditional IRA) remain subject to federal income tax on distributions, and federal estate tax may apply to very large estates.

The inheritance timeline in Montana depends on estate complexity. Simple probate estates close in 4 months to 6 months, but the 4 months creditor claim period must expire before the executor can make final distributions.

Smaller estates in Montana — those under $100,000 — may qualify for expedited procedures that significantly reduce the waiting time for beneficiaries. The Montana inheritance calculator shows who inherits under state law.

Probate costs reduce the inheritance beneficiaries ultimately receive. The probate calculator provides a Montana-specific cost breakdown including attorney fees, executor compensation, and filing fees.