How Do I File Taxes for a Deceased Person in South Dakota?
South Dakota has no state income tax, so only the federal final Form 1040 is due for the decedentNo enabling statute (SDCL Title 10 contains no individual income tax chapter); S.D. Const. Art. XI, §§ 2, 13, 14; SD DOR, dor.sd.gov/individuals/taxes/Verified Sep 20, 2026View source; a federal estate tax return (Form 706) is required only for estates above $15,000,00026 USC 2001(c), 2010; P.L. 119-21 §70106Verified Sep 15, 2026View source.
Because South Dakota has no state income taxNo enabling statute (SDCL Title 10 contains no individual income tax chapter); S.D. Const. Art. XI, §§ 2, 13, 14; SD DOR, dor.sd.gov/individuals/taxes/Verified Sep 20, 2026View source, the primary filing is the final federal income tax return (Form 1040) for income earned through the date of death. If the estate earns income during administration, a federal fiduciary return (Form 1041) may be required. No state income tax return is needed.
The final federal income tax return is due April 15 following year of death26 USC 6012(b)(1)Verified Sep 15, 2026. South Dakota has no state income tax return to file. An estate income tax return, where one is needed, is due the 15th day of the 4th month after the estate's tax year ends (April 15 for a calendar-year estate)26 USC 6012(a)(3)Verified Sep 15, 2026.
No state tax clearance requiredS.D. Const. Art. XI, § 15 (initiated measure approved Nov. 7, 2000; eff. July 1, 2001) (inheritance tax prohibited); 2014 SL ch. 59 (HB 1057) (repealed SDCL ch. 10-40, 10-40A, 10-41); no income tax enabling statute in SDCL Title 10Verified Sep 10, 2026View source. Every tax obligation is still settled before the final distribution.
No. South Dakota imposes no state estate tax and no inheritance taxNo state estate or inheritance tax. Inheritance tax constitutionally prohibited (S.D. Const. Art. XI, § 15, initiated measure approved Nov. 7, 2000, eff. July 1, 2001: "No tax may be levied on any inheritance, and the Legislature may not enact any law imposing such a tax."). Both the inheritance tax (SDCL ch. 10-40, ch. 10-41) and the estate tax (SDCL ch. 10-40A) were repealed outright by 2014 SL ch. 59 (HB 1057), signed February 12, 2014 — a true repeal, leaving no dormant levy. SD DOR: "South Dakota does not have an inheritance tax... There is also no estate tax."Verified Sep 15, 2026View source. The tax filings after a death are the income tax returns (the final return and, where the estate earns income, the estate income tax return). Only the federal estate tax applies, and only to an estate above $15,000,00026 USC 2001(c), 2010; P.L. 119-21 §70106Verified Sep 15, 2026View source.
Yes. Estate size does not change the final income tax return: a final Form 1040 is filed whatever the estate is worth if the decedent had income. What a smaller estate avoids is the federal estate tax return (Form 706), due 9 months after date of death (6-month extension available)26 USC 6018; 26 USC 6075(a)Verified Sep 15, 2026 and required only above $15,000,00026 USC 2001(c), 2010; P.L. 119-21 §70106Verified Sep 15, 2026View source.
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Named as Executor
What an executor actually does: getting appointed, notifying creditors, paying debts and taxes, and where personal liability starts.
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Death of a Parent
A step-by-step guide to what happens after a parent dies: the documents to find, the certificates to order, and whether probate is even required.
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Loss of a Spouse
What a surviving spouse needs to do: death certificates, survivor benefits, whether probate is even required, and the tax election that expires.
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Named as Trustee
Being named trustee means managing trust assets and carrying out the grantor's wishes. Your duties, timeline, compensation, and how to get started.
Learn moreForms for Settling an Estate in South Dakota
Free forms for settling an estate in South Dakota: the probate petition, small estate affidavit, notice to creditors, inventory, and closing forms.
Digital Assets Recovery Letter
Prepare a letter requesting a deceased person's online accounts, points, and balances from the program that holds them.
Notice to Creditors
In South Dakota, creditors have 4 monthsSDCL § 29A-3-801Verified Sep 8, 2026View source from first publication to present claims.
Renunciation of Executor
In South Dakota, a person named as personal representative may renounce the right to serveSDCL § 29A-3-203(c)Verified Sep 23, 2026View source before anyone is appointed.
Small Estate Affidavit
In South Dakota, the Small Estate AffidavitSDCL § 29A-3-1201Verified Sep 8, 2026View source covers estates valued at $100,000SDCL § 29A-3-1201Verified Sep 8, 2026View source or less, 30 daysSDCL § 29A-3-1201Verified Sep 8, 2026View source after death, presented directly to the bank or other holder, not filed with a court.
Estate Inventory
In South Dakota, the personal representative files the estate inventory within 180 daysSDCL 29A-3-706Verified Sep 15, 2026View source of appointment.
Estate Closing
In South Dakota, the personal representative is discharged automatically once the statutory period runsSDCL §§ 29A-3-1003(b), 29A-3-1005Verified Sep 15, 2026View source, and a final accounting is required unless it is waived.
Tools for Settling an Estate in South Dakota
Free tools for settling an estate in South Dakota: whether probate is needed, executor and trustee pay, creditor deadlines, and inheritance taxes.
How Many Death Certificates Do I Need?
In South Dakota, certified death certificates come from the South Dakota Department of Health - Vital RecordsSouth Dakota Department of Health - Vital RecordsVerified Oct 15, 2026View source; the first copy costs $15South Dakota Department of Health - Vital RecordsVerified Oct 15, 2026View source.
Do I Need Probate?
In South Dakota, estates valued at $100,000SDCL § 29A-3-1201Verified Sep 8, 2026View source or less skip probate with the Small Estate AffidavitSDCL § 29A-3-1201Verified Sep 8, 2026View source, 30 daysSDCL § 29A-3-1201Verified Sep 8, 2026View source after death.
How Do I Settle an Estate?
Settling an estate in South Dakota: the personal representative files the estate inventory within 180 daysSDCL 29A-3-706Verified Sep 15, 2026View source of appointment; creditors have 4 monthsSDCL §§ 29A-3-801, 29A-3-803, 29A-3-805Verified Oct 19, 2026View source to present claims; a simple estate closes in 4 months to 6 months.
What Do I Do When Someone Dies?
After a death in South Dakota, the estate either qualifies for the simplified procedure for estates under $100,000SDCL § 29A-3-1201Verified Sep 8, 2026View source or goes through probate, where creditors have 4 monthsSDCL § 29A-3-801Verified Sep 8, 2026View source to file claims after notice.
How Much Are Estate & Inheritance Taxes?
South Dakota levies no estate or inheritance taxNo state estate or inheritance tax. Inheritance tax constitutionally prohibited (S.D. Const. Art. XI, § 15, initiated measure approved Nov. 7, 2000, eff. July 1, 2001: "No tax may be levied on any inheritance, and the Legislature may not enact any law imposing such a tax."). Both the inheritance tax (SDCL ch. 10-40, ch. 10-41) and the estate tax (SDCL ch. 10-40A) were repealed outright by 2014 SL ch. 59 (HB 1057), signed February 12, 2014 — a true repeal, leaving no dormant levy. SD DOR: "South Dakota does not have an inheritance tax... There is also no estate tax."Verified Sep 15, 2026View source; only the federal estate tax applies above $15,000,00026 USC 2001(c), 2010; P.L. 119-21 §70106Verified Sep 15, 2026View source.
What Taxes Apply to My Inheritance?
South Dakota imposes no inheritance or estate taxNo state estate or inheritance tax. Inheritance tax constitutionally prohibited (S.D. Const. Art. XI, § 15, initiated measure approved Nov. 7, 2000, eff. July 1, 2001: "No tax may be levied on any inheritance, and the Legislature may not enact any law imposing such a tax."). Both the inheritance tax (SDCL ch. 10-40, ch. 10-41) and the estate tax (SDCL ch. 10-40A) were repealed outright by 2014 SL ch. 59 (HB 1057), signed February 12, 2014 — a true repeal, leaving no dormant levy. SD DOR: "South Dakota does not have an inheritance tax... There is also no estate tax."Verified Sep 15, 2026View source; probate assets arrive when the estate closes, 4 months to 6 months for a simple estate.
How Does Step-Up in Basis Work?
Inherited assets in South Dakota take a basis reset to fair market value on the date of death26 USC § 1014Verified Sep 15, 2026View source, and the gain on a later sale faces no state capital gains taxSDCL Title 10 (Taxation) — chapter list contains no individual income tax chapter (ch. 10-43 "Income Tax On Banks And Financial Corporations" is the only income tax; chs. 10-40/10-40A/10-41 inheritance and estate tax are repealed)Verified Sep 15, 2026View source.
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South Dakota Estate Settlement Resources
In-depth guides covering South Dakota probate, estate administration, and settling an estate.