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 Community Planning Survey

O’Brien County’s Community Leaders are requesting that you fill out this short survey to assist them in making future decisions for the County’s comprehensive land use plan.  The last Comprehensive Plan was completed almost 50 years ago. The survey can be accessed by clicking the link below.  Thank you for you time in completing the Read More »

O’Brien County Property Search – New!

Property Search

Increase in Acceptance Facility Fee for Passports

Beginning Monday, April 2, 2018 the acceptance facility fee for new passport applications will be $35.00.  All other application fees remain the same.

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.