SearchSystems Editorial

Reviewed and updated October 2, 2026 by the SearchSystems.net editorial team. Every office link on this page was opened and checked against the office's own website at review time.

About this guide

O'Brien County is a county in Iowa with about 14,000 residents (2024 Census Bureau estimate). Its public records are not in one place: court cases, jail bookings, deeds, property values, vital records and records requests each belong to a different office. This guide names the office that holds each kind of record, links to its own website and gives the phone number and address where the office publishes them. SearchSystems verified 8 county office pages for O'Brien County, every one opened and checked.

In this guide: Where the records live, Jail and arrests, Court records, County Clerk, Deeds and property, Vital records, County Attorney, Records requests, Statewide sources, More directory links, Cities and towns, Other counties and Questions.

Where O'Brien County public records live

Each kind of O'Brien County record is kept by a different office. The list below names the office SearchSystems verified for each one; the sections that follow give its phone, address and hours where the office publishes them.

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Arrests, jail and inmate lookups in O'Brien County

A person arrested in O'Brien County is booked into the jail, and the booking record (name, charges, bond and the next court date) is public in most cases. The office below is the one SearchSystems verified for jail and inmate information in O'Brien County.

  • Website: obriencountysheriff.com (page title: O'Brien County Sheriff)
  • Phone: (712) 757-3415
  • Checked: September 30, 2026, the page answered.

Jail rosters usually show the people in custody now. Once a person is released, the case continues in the court records below.

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Court records and case lookups in O'Brien County

Civil, criminal, family, probate and traffic cases filed in O'Brien County are kept by the clerk of the court that heard them. Many courts offer an online case search; the page below is the one SearchSystems verified for O'Brien County.

  • Website: obriencounty.iowa.gov/departments/clerk-of-court (page title: O'Brien County Court Records for Free (O'Brien County, IA))
  • Phone: 712-957-3255
  • Address: 155 South Hayes Avenue Primghar, IA 51245
  • Checked: October 1, 2026, the page answered.

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County Clerk of O'Brien County

The county clerk is the county's record keeper. What the office holds differs by state: in some states it files marriage licenses and vital records, in others deeds, court papers or the meeting records of the governing board. Its own website below says what it holds in O'Brien County.

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Deeds, land records and property values in O'Brien County

Two offices share property records. The recording office files deeds, mortgages, liens and the other documents that affect title to land in O'Brien County. The assessment office sets the taxable value of each parcel and usually offers a free parcel search by address or owner name.

Recorded documents: County Recorder

  • Website: obriencounty.iowa.gov/departments/recorder (page title: Recorder | O'Brien County Iowa)
  • Phone: (712) 957-3045
  • Address: 155 S Hayes Ave. PO Box 340 Primghar, IA 51245
  • Checked: September 30, 2026, the page answered.

Property values: County Assessor

  • Website: obriencounty.iowa.gov/departments/assessor (page title: Assessor | O'Brien County Iowa)
  • Phone: (712) 957-3205
  • Address: 155 S Hayes Ave PO Box 446 Primghar, IA 51245
  • Checked: September 30, 2026, the page answered.

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Birth, death and marriage records in O'Brien County

Certified copies of birth and death certificates for events in O'Brien County are issued by the office below. The Iowa state vital records office also issues certified copies for any event in the state.

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County Attorney for O'Brien County

The County Attorney is the office that prosecutes criminal cases in O'Brien County. The case files themselves are court records (above); the prosecutor's office handles victim services and questions about pending prosecutions.

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Public records requests to O'Brien County

Every state has a public records law that applies to county offices. A record that is not posted online is requested from the office that holds it. Many counties run one request page for every department; it is listed below when SearchSystems verified one for O'Brien County.

  • Website: ia.iowadot.gov/openrecords (page title: Open Records Request | FOIA)
  • Phone: 515-237-3325
  • Address: 800 Lincoln Way Ames, IA 50010
  • Checked: September 30, 2026, the page answered.

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Statewide Iowa sources

Some records are kept by the state rather than the county. These are the Iowa state offices SearchSystems verified; each link opens the state office's own page.

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These links come from the SearchSystems directory for O'Brien County and were opened again on October 2, 2026. Each one still answers.

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Cities and towns in O'Brien County

O'Brien County has 8 incorporated cities and towns (2024 Census Bureau count, population in parentheses). City records such as council minutes, permits, business licenses and police reports are kept by each city; the records on this page are county records whatever the city.

  • Sheldon (5,584)
  • Hartley (1,584)
  • Sanborn (1,463)
  • Paullina (979)
  • Primghar (893)
  • Sutherland (628)
  • Calumet (144)
  • Archer (116)

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O'Brien County Arrest Records

The O'Brien County arrest records guide names the two agencies that report arrests to the FBI here and the 328 arrests the two agencies with every month of 2025 on file reported that year. It also says where a person arrested here is held, how to find out about an arrest and how to get a copy of the report.

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O'Brien County Records Guides

SearchSystems has eight more guides to O'Brien County, each written from the county's own offices and figures: O'Brien County warrants (who issues and serves them, where a person arrested on one is held, how to check for one), O'Brien County inmate search (the jail page of the O'Brien County Sheriff's Office, the jail numbers and who books people), O'Brien County criminal records (the court file, the Iowa criminal history and the local arrest records), O'Brien County court records (which court hears what, the case search and who keeps the files), O'Brien County police reports (which agency holds a report and what the Iowa Open Records Law (Chapter 22) requires), O'Brien County traffic tickets (which court takes the ticket, who writes them and the driving record), O'Brien County DUI (the OWI law, the arrest, the court case and the license case) and O'Brien County property records (deeds, assessed values, permits and evictions).

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Frequently Asked Questions

Is this the official O'Brien County website?

No. SearchSystems.net is an independent public records directory, online since 1997. It links to the official offices listed above; SearchSystems does not hold records, charge for them or take requests.

How do I find out if someone is in jail in O'Brien County?

Use the jail or inmate page SearchSystems verified for O'Brien County at obriencountysheriff.com, or call (712) 757-3415. Rosters usually show the people in custody now; after release, the case continues in the court records.

Where do I look up a court case in O'Brien County?

The court records page SearchSystems verified for O'Brien County is at obriencounty.iowa.gov/departments/clerk-of-court, phone 712-957-3255. A case number finds a case fastest; a name search returns every case with that name.

Who records deeds in O'Brien County?

The County Recorder, at obriencounty.iowa.gov/departments/recorder. Deeds, mortgages and liens on land in O'Brien County are filed there.

How do I get a birth or death certificate for O'Brien County?

From the office SearchSystems verified for O'Brien County vital records at obriencounty.iowa.gov, phone 712-957-3045, or from the Iowa state vital records office.

How do I request a public record from O'Brien County?

Through the records request page at ia.iowadot.gov/openrecords. A record that is not covered there is requested from the office that holds it.