Thanksgiving Day Nov 24, 2022 8:00 am -5:00 pm Print this page Event Details County Offices Closed for the Holiday Per County Ordinance 358.8, County offices will be closed on Holidays. Upcoming Events Jun 3 Summer Nature Fest at the Alamos Schoolhouse 10:00am - 2:00pm Jun 6 Riverside County Board of Supervisors Meeting 9:30am - 12:00pm Jun 7 Farmers' Market - Wednesdays Downtown Riverside 8:30am - 1:30pm