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Sully County, SD Probate Information
Quick facts
| Item | Sully County detail |
|---|---|
| Court | The circuit court in Sully County |
| Courthouse address | Sully County Courthouse, 700 Ash Avenue, Onida, SD 57564 |
| Mailing address | PO Box 188, Onida, SD 57564 |
| Phone | 605-258-2535 |
| Fax | 605-258-2270. Do not assume a fax can be used for filing. |
| Hours | 8:00 a.m. to noon, Monday through Friday |
| Filing fee | Total court costs to open an estate are $122.00, effective July 1, 2026: $75.00 under SDCL 16-2-29, $40.00 under SDCL 16-2-39, and $7.00 under SDCL 14-6-1. |
| Local forms | Sully County does not list a county-specific probate form or local probate cover sheet. |
| E-filing | Represented parties file through the Odyssey electronic filing system. A self-represented filer may file electronically but is not required to do so and may bring or mail papers to the clerk of courts (SDCL 15-6-5(e)). |
| Case search | eCourts at https://ecourts.sd.gov/ requires free registration and shows docket summaries for public cases. Open court records can be read at a courthouse public access terminal during clerk hours (SDCL 16-21-8). |
| Remote appearance | The assigned circuit judge decides whether any part of a case can be handled by telephone or video. |
| Website | https://ujs.sd.gov/court-finder/sixth-judicial-circuit/sully-county/ |
Before you begin — know the assets and liabilities
Before filing in Sully County, identify the decedent's assets, debts, beneficiary designations, jointly owned property, and any will. Estate settlement is faster when you know which accounts actually need a personal representative and which assets pass another way.
Sunset's 2,300-institution asset discovery can help families look for accounts before they prepare papers for the clerk of courts in Onida. For Sully County, plan around the 8:00 a.m. to noon counter hours if you need to deliver original papers or read open court records at the courthouse.
Which court handles jurisdiction
South Dakota has no separate court for decedents' estates: estate settlement is a case class of the circuit court, the state's trial court of general jurisdiction, which sits in all 66 counties, and the papers are filed with the clerk of courts at the Sully County Courthouse (S.D. Const. art. V, § 1; SDCL 16-6-9(5); SDCL 29A-3-201). The separate county-level trial forum that once shared this work was abolished and its jurisdiction folded into the circuit court (SDCL 16-6-9(7); SDCL ch. 16-9, repealed).
Probate for Sully County is filed with the clerk of courts at the county courthouse in Onida. Sully County is one of the 14 counties in the Sixth Judicial Circuit, which is how judges and court administration are organized; the case itself is filed at this county's own courthouse (SDCL 16-5-1.2; SDCL 29A-3-201).
Venue for the first informal or formal testacy or appointment proceeding is the county where the decedent was domiciled at death, or, if the decedent was not domiciled in South Dakota, any county where the decedent's property was located (SDCL 29A-3-201). Onida is the county seat identified for Sully County filings.
The jurisdiction process
- Choose the right opening paper. Use an application for an informal proceeding with the clerk of court, and use a petition when asking the circuit court for a formal order after notice (SDCL 29A-1-201(3), 29A-1-201(35); SDCL ch. 29A-3).
- Prepare the will, death information, asset and debt information, and the proposed personal representative information. If there is an original will, the application must state whether it is in the court's possession or accompanies the application (SDCL 29A-3-301(2)(i)). Ask the Sully County clerk of courts how to deliver the original will.
- File with the clerk of courts in Sully County at the Sully County Courthouse, 700 Ash Avenue, Onida, SD 57564, or mail the papers to PO Box 188, Onida, SD 57564. The counter is open 8:00 a.m. to noon, Monday through Friday, so call 605-258-2535 before driving.
- Pay the opening court costs or ask about a waiver. Total court costs to open an estate are $122.00, effective July 1, 2026: $75.00 under SDCL 16-2-29, $40.00 under SDCL 16-2-39, and $7.00 under SDCL 14-6-1. A filer who cannot afford the filing fee may ask the court to waive it under SDCL 16-2-29.2.
- Use the proper filing method. Represented parties file through the Odyssey electronic filing system with the clerk of the court, while a self-represented filer may file electronically but is not required to do so (SDCL 15-6-5(e)).
- Handle notices required after appointment. The personal representative must give appointment information to heirs and devisees not later than fourteen days after appointment, and must also give written appointment information to the State Department of Social Services in Pierre and certify to the court that it was provided (SDCL 29A-3-705).
- Ask the clerk how any hearing or judge contact will be scheduled. Many informal matters are handled by the clerk of court without advance notice to interested persons, while formal matters proceed before a judge with notice (SDCL 29A-1-201(18), 29A-1-201(22); SDCL ch. 29A-3). Whether any part can be handled by telephone or video is set by the assigned circuit judge.
- Receive authority after appointment and qualification. In an informal proceeding, the clerk of courts reviews the application, makes the findings state law requires, issues the written statement of informal probate, appoints the personal representative once at least 120 hours have passed since death, and issues letters testamentary or letters of administration once the personal representative has qualified (SDCL 29A-3-302, 29A-3-303, 29A-3-307, 29A-3-103, 29A-3-601). A bond is not required unless the court concludes one is in the estate's best interests (SDCL 29A-3-603).
- Administer and close the estate. Collect estate property, address valid claims, distribute property, and close by the personal representative's sworn closing statement or by a court order of complete settlement after notice and hearing (SDCL 29A-3-1003; SDCL 29A-3-1001).
Forms and documents
Probate forms in Sully County
Sully County does not list a county-specific probate form or local probate cover sheet for filings at the Sully County Courthouse.
The South Dakota Unified Judicial System publishes form sets and guided interviews for self-represented filers in divorce, custody, name change, guardianship, eviction, small claims and protection-order matters. It does not publish a statewide probate form set, so the application, the will and the supporting papers are prepared by the filer or by a lawyer and brought to the clerk of courts.
One probate-related form is prescribed by law for creditors: SDCL ch. 29A-3, Appendix A contains a statement of claim form that a creditor may file with the clerk of court (SDCL 29A-3-804(a)(1)). That is a creditor claim form, not the family's opening packet.
Local nuance
Sully County-specific considerations
| Local point | Why it matters |
|---|---|
| Morning-only clerk hours | The clerk of courts counter is open 8:00 a.m. to noon, Monday through Friday. Plan any Onida courthouse trip for the morning and call 605-258-2535 before driving. |
| Mail is a practical option | Self-represented filers who do not use electronic filing can mail papers to PO Box 188, Onida, SD 57564. Ask the clerk how to handle any original will before mailing it. |
| Public access terminal timing | Open court records can be read at a courthouse public access terminal at no charge during regular clerk hours (SDCL 16-21-8). In Sully County, that means the morning counter schedule controls when the terminal can be used. |
Recent updates
Page last reviewed: August 2026.
Scenarios
| Situation | Local path | Where Sunset helps |
|---|---|---|
| Surviving spouse with co-owned home | First identify what passes by co-ownership or beneficiary designation. If an estate must be opened, file with the clerk of courts in Sully County at 700 Ash Avenue in Onida or by mail to PO Box 188. The counter closes at noon, so call 605-258-2535 before an afternoon trip. | Sunset helps find accounts, organize asset information, and prepare the family for the local filing conversation. |
| Out-of-state adult child with small estate (SDCL 29A-3-1201) | Check the South Dakota affidavit guidance before opening a case. If filing is needed, a self-represented filer may mail papers to PO Box 188 or may file electronically without being required to do so (SDCL 15-6-5(e)), which is useful when the office keeps morning-only hours. | Sunset helps identify whether there are accounts to collect, gathers institution details, and flags when a lawyer should review the plan. |
| Parent settling predeceased child's estate, home must be sold | A sale usually requires an appointed personal representative holding letters. File with the clerk of courts in Sully County; the clerk appoints the personal representative after 120 hours and issues letters testamentary or letters of administration once the person qualifies (SDCL 29A-3-302, 29A-3-307, 29A-3-601, 29A-3-103). Budget $122.00 in total court costs, effective July 1, 2026 (SDCL 16-2-29; SDCL 16-2-39; SDCL 14-6-1), and plan any courthouse trip for a weekday morning. | Sunset helps assemble the asset picture, generate an organized probate packet, and connect the family with local counsel when a sale or title issue needs legal review. |
Self-help resources
| Resource | How it helps | Contact |
|---|---|---|
| Sully County clerk of courts | Handles filings for the circuit court in Sully County and can give procedural information, filing status, and scheduling information. Court staff cannot give legal advice or choose words for your papers. | 700 Ash Avenue, Onida, SD 57564; 605-258-2535; 8:00 a.m. to noon, Monday through Friday |
| eCourts | Shows docket summaries for public cases after free registration. Open court records can be read at a courthouse public access terminal during clerk hours (SDCL 16-21-8). | https://ecourts.sd.gov/ |
| Fee waiver forms | A filer who cannot afford the filing fee may ask the court to waive it under SDCL 16-2-29.2. The ordinary opening court costs are $122.00, effective July 1, 2026, under SDCL 16-2-29, SDCL 16-2-39, and SDCL 14-6-1. | UJS self-help fee waiver materials |
| SD Law Help | Online intake for civil legal help. Intake routing does not mean a program can take every estate matter. | https://sdlawhelp.org/ |
| State Bar of South Dakota lawyer referral service | Helps find a South Dakota lawyer for private representation. | https://findalawyerinsd.com/; 800-952-2333 |
| UJS Legal Form Help Line | Answers questions about UJS forms and cannot provide legal advice. | 1-855-784-0004 |
When to hire an attorney
A lawyer is especially useful if family members disagree, the will may be challenged, the estate includes land that must be sold, creditors are active, or the personal representative is unsure which notices and closing path apply under SDCL ch. 29A-3. Sully County's morning-only counter hours also make it important to have papers organized before filing. Sunset connects to a vetted attorney.
How Sunset helps
Find the accounts and assets. Sunset searches across thousands of institutions, helps identify accounts and policies, and turns scattered information into an estate settlement starting point.
Generate the probate packet. Sunset organizes the information families need for the application or petition, the asset list, and the local filing checklist so the Sully County clerk of courts conversation is focused.
Find a local probate attorney. When a home sale, creditor issue, disagreement, or formal filing needs legal judgment, Sunset can connect the family with a vetted South Dakota probate attorney.
Sunset is free for families. Sunset helps families understand the estate settlement path, gather documents, and decide what to do next without charging families for the core service.
Frequently asked questions
Where do I file probate in Sully County?
File with the clerk of courts in Sully County at the Sully County Courthouse, 700 Ash Avenue, Onida, SD 57564, or mail papers to PO Box 188, Onida, SD 57564. Venue depends on the decedent's domicile at death or, for a non-South Dakota decedent, where South Dakota property was located (SDCL 29A-3-201).
What are the clerk's hours in Onida?
The Sully County clerk of courts counter is open 8:00 a.m. to noon, Monday through Friday. Call 605-258-2535 before driving, especially if you need to deliver papers or use the courthouse public access terminal (SDCL 16-21-8).
Can I mail probate papers to the Sully County clerk of courts?
Yes. Mail filings to PO Box 188, Onida, SD 57564. If the filing involves an original will, ask the clerk of courts how to get it to the office because the application must state whether the original is in the court's possession or accompanies the application (SDCL 29A-3-301(2)(i)).
Do I have to use electronic filing if I am self-represented in Sully County?
A self-represented filer may file electronically but is not required to do so. Represented parties file through the Odyssey electronic filing system with the clerk of the court (SDCL 15-6-5(e)).
How much does it cost to open probate in Sully County?
Total court costs to open an estate are $122.00, effective July 1, 2026: $75.00 under SDCL 16-2-29, $40.00 under SDCL 16-2-39, and $7.00 under SDCL 14-6-1. A filer who cannot afford the filing fee may ask the court to waive it under SDCL 16-2-29.2.
Are there Sully County probate forms?
Sully County does not list a county-specific probate form or local probate cover sheet. The South Dakota Unified Judicial System publishes form sets and guided interviews for self-represented filers in divorce, custody, name change, guardianship, eviction, small claims and protection-order matters. It does not publish a statewide probate form set, so the application, the will and the supporting papers are prepared by the filer or by a lawyer and brought to the clerk of courts.
Can I look up a Sully County probate case online?
Use eCourts at https://ecourts.sd.gov/. Free registration is required, and the public tier shows docket summaries. To read open court records, use a courthouse public access terminal during clerk hours (SDCL 16-21-8).
Will I have to travel to another county for a Sully County hearing?
Many informal matters are handled by the clerk of court without advance notice to interested persons (SDCL 29A-1-201(22); SDCL ch. 29A-3). If a judge is needed, state law directs the presiding judge to arrange for a circuit judge to be available to hold court in the county seat of each county in the circuit as necessary (SDCL 16-2-21). Ask the clerk how your case will be scheduled.
Can I attend a Sully County probate hearing by phone or video?
The assigned circuit judge decides whether any part of a case can be handled by telephone or video. The clerk of courts in Sully County can tell you how to ask.
Who reviews an informal application in Sully County?
In an informal proceeding, the clerk of courts reviews the application, makes the findings required by law, issues the written statement of informal probate, appoints the personal representative after 120 hours, and issues letters testamentary or letters of administration once the personal representative qualifies (SDCL 29A-3-302, 29A-3-303, 29A-3-307, 29A-3-103, 29A-3-601). A judge of the circuit court may also perform those acts (SDCL 29A-1-307).
Shaped by the families we've helped
Thank you to the thousands of families who have trusted Sunset to help settle their loved ones' estates. This page is shaped by the questions they actually asked and the obstacles they actually hit — and that hard-won experience is what keeps it accurate, current, and genuinely useful to the families who come next.