Montana allows estates valued at $100,000MCA § 72-3-1101Verified Sep 8, 2026View source or less to use the Collection of Personal Property by AffidavitMCA § 72-3-1101Verified Sep 8, 2026View source, which avoids full probate administration. 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 daysMCA § 72-3-1101Verified Sep 8, 2026View source after death.

Probate costs in Montana typically include attorney fees of typically 1.8%MCA § 72-3-634 (court review of reasonableness of compensation of persons employed by the personal representative, including attorneys); § 72-3-632 (reasonable attorney fees in estate litigation); former § 72-3-633 repealed by Sec. 105, Ch. 313, L. 2019Verified Sep 8, 2026View source to 2.9%MCA § 72-3-634 (court review of reasonableness of compensation of persons employed by the personal representative, including attorneys); § 72-3-632 (reasonable attorney fees in estate litigation); former § 72-3-633 repealed by Sec. 105, Ch. 313, L. 2019Verified Sep 8, 2026View source of the estate, executor fees, court filing fees, and publication costs. On a $500,000 estate, total costs run about $24,934MCA § 72-3-634 (court review of reasonableness of compensation of persons employed by the personal representative, including attorneys); § 72-3-632 (reasonable attorney fees in estate litigation); former § 72-3-633 repealed by Sec. 105, Ch. 313, L. 2019Verified Sep 8, 2026View source, roughly 5% of estate value, varying with complexity. Estimate executor compensation separately with the Montana executor fee calculator.

Montana intestacy law decides. Montana follows separate property rulesMCA § 72-2-112Verified Sep 10, 2026View source: the surviving spouse's share depends on whether children survive and whose children they are. The estate passes to the closest surviving relatives, in most cases the spouse and children first, then in order: Parents; Descendants of your parents; Grandparents and their descendants; Closest degree of kinship; The state of MontanaMCA § 72-2-112Verified Sep 10, 2026View source.

No. Montana imposes no state estate tax and no inheritance taxMont. Code Ann. § 72-16-905 (estate tax = maximum federal state death tax credit — a pickup tax that computes to $0 for deaths after 12/31/2004, IRC § 2011 credit repealed by EGTRRA 2001; part 9 still codified); Mont. Code Ann. Title 72, ch. 16, pts. 1, 3, 4, 7, 8 (inheritance tax) repealed eff. Jan. 1, 2001 (I-145, Nov. 2000)Verified Sep 15, 2026View source. Only the federal estate tax applies, on an estate above $15,000,00026 USC 2001(c), 2010; P.L. 119-21 §70106Verified Sep 15, 2026View source, an exemption the One Big Beautiful Bill Act (P.L. 119-21 §70106) set permanently from 2026 and indexes for inflation.

A will in Montana costs what the provider charges. An online service runs $0 to $299 up front. An attorney in Montana charges around $319Clio Compare Lawyer Rates, Montana: Wills and Estates rate (2025 data)Verified Oct 15, 2026View source an hour for wills and estates work, which puts a simple will at $957Estimate: 3 hours at $319, Clio's Montana Wills and Estates rate; Compare Lawyer Rates, 2025 dataVerified Oct 15, 2026View source to $1,914Estimate: 6 hours at $319, Clio's Montana Wills and Estates rate; Compare Lawyer Rates, 2025 dataVerified Oct 15, 2026View source. The document is only part of the cost: probate adds about $24,934MCA § 72-3-634 (court review of reasonableness of compensation of persons employed by the personal representative, including attorneys); § 72-3-632 (reasonable attorney fees in estate litigation); former § 72-3-633 repealed by Sec. 105, Ch. 313, L. 2019Verified Sep 8, 2026View source on a $500,000 estate in fees the heirs pay later.