The Hillsdale County Agricultural Society offers winter storage at the Hillsdale County Fairgrounds. Winter Storage will begin the second week of October, depending on activities and events. Seasonal Rates - Boats, RV's, Motorhomes 34' and over - $200.00 Boats, RV's, Motorhomes under 34' & Double Jet Ski - $175.00 Cars, Single Jet Ski - $150.00. Rates are subject to change. Full payment is due at the time units are placed into storage. Removal of units from storage will be scheduled the last week in March depending on activities and events. Contact the Fair Office at (517) 437-3622 Monday - Friday 8 a.m. - 4:30 p.m. for Winter Storage availability.