Green Cove Springs, FL – All Clay County government offices will be closed on Monday, January 18, 2021, in observance of the Martin Luther King, Jr. holiday. Closures will include the County Administration and Public Works buildings, Clerk of Court and Comptroller’s Office, Clay County Courthouse, Property Appraiser, Tax Collector, Supervisor of Elections, and Sheriff’s Office Non-Emergency Administration Offices. Offices will reopen and resume scheduled hours on Tuesday, January 19, 2021. Martin Luther King, Jr. Day is a federal holiday in the United States marking the birthday of Civil Rights leader Martin Luther King, Jr. It is observed on the third Monday of January each year as “a day on not a day off.” MLK Day is the only federal holiday designated as a National Day of Service to encourage all Americans to volunteer to improve their communities.