Welcome to O’Brien County

O’Brien County is uniform in shape, a perfect square, 24 miles each way. 16 townships of six square miles. Two rivers, the Little Sioux and Ocheydan. Smaller streams are Mill Creek, Waterman Creek and branches of the Floyd River. The County was named by the Iowa Legislature. It is named for an Irish Patriot, William Smith O’Brien.

Latest News & Announcements

O’Brien County Auditor’s Office is Not Taking Passport Applications at This Time

Due to the Coronavirus pandemic, the O’Brien County Auditor’s Office is not processing passport applications until further notice.  As of March 20, 2020 the US Passport Agencies will only offer services to customers with at qualified life-or-death emergency and who need a passport for immediate international travel within 72 hours. For updated information on travel Read More »

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Press Release Regarding Deadlines for Property Taxes, Vehicle Registrations and Drivers Licenses ~ Revised Date

Deadlines for Property Taxes, Vehicle Registrations and Drivers Licenses

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O’Brien County Courthouse Closed to Foot Traffic Effective March 17th

COVID-19 Visitor Restriction Notice

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O’Brien County Board Proclaims Support for B20 Biodiesel

Biodiesel Proclamation

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O’Brien County Beaver Tail Bounty

O’Brien County is offering a beaver tail bounty for beavers taken in O’Brien County between the dates of December 10, 2019 and April 15, 2020.  The beavers will be accepted at the Mill Creek Park Conservation Board Shop, 5560 460th Street, Paullina on Mondays from 8:00 – 11:00 a.m. The trapper must have a valid Read More »

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Bill of Sale Required beginning January 1, 2020

Effective January 1, 2020 – A Bill of Sale will be required for all vehicle transfers.

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O’Brien County Property Search

Property Search

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Ordinance regulating the operations of Off-Highway vehicles is adopted

The O’Brien County Board of Supervisors adopted County Ordinance No. 25, an Ordinance regulating the operations of off-highway vehicles in the county.  The ordinance will be effective April 1, 2017.  The full ordinance is on the web page.

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