Los Angeles County Holidays 2025 List. The los angeles convention center presents the 30th annual la art show, billed as the most comprehensive international contemporary art show in america. Public works headquarters and field facilities will be closed on the following days:

Experience glamour in the city of angels with a los angeles holiday. County holidays include jan 1, martin luther king day (3rd monday in jan), president’s day (3rd monday in feb), cesar chavez day (observed last.