Courthouse Location O-S-S Joint Solid Waste Management District will sponsor an appliance collection on Saturday, June 8th from 9 am until noon at the Ottawa County Fairgrounds. For additional information please contact the District Office at 419-334-7222 or 1-888-850-7224. Ottawa County sells it's surplus county property through internet auctions. To view current items available, click on the Gov Deals link on our web page. The Ottawa County Courthouse is located at 315 Madison Street, Port Clinton, Ohio.