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 Property Search

Property Search

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O’Brien County Courthouse to Begin Modified Phase 2 of Reopening September 21, 2020

PRESS RELEASE – FOR IMMEDIATE RELEASE – 1215-2020   The O’Brien County Courthouse will be moving to a modified Phase 2 on December 15, 2020.   Temporary safety measures have been implemented.   During Phase 2 of the O’Brien County Courthouse Reopening Plan, the following guidelines will be followed: Both east and west entrances will Read More »

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Fireworks Permit Applications

Fireworks Permits are needed for any displays to be done in rural O’Brien County.  If a display is being planned for the July 4th holiday, those applications and proof of insurance need to be received for approval by June 25, 2020. Fireworks Permit Application

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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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