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
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
Read More
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.
Read More