Platte County Juvenile Office FAQs

When Am I An Adult?


  • You must be 21 to possess, use or buy alcoholic beverages.
     
  • You must be 21 to serve on a jury.
     
  • You must be 18 to get married without your parents’ permission.  If you are under 15, you must receive permission from a judge to get married.
     
  • You may vote at 18.
     
  • At age 18 you may sue someone in court and someone may sue you.
     
  • If you are a male, at age 18 you must register for military service.
     
  • At age 17 you will be tried as an adult for any crime for which you are charged.  If you are age 12 or older and commit a felony law violation you may be certified by the juvenile court to be tried as an adult for that offense.  At any age, if you are alleged to have committed First Degree Murder, Second Degree Murder, First Degree Assault, Forcible Rape, Forcible Sodomy, First Degree Robbery, Distribution of Drugs, or if you have committed two or more prior unrelated felony offenses there will be a hearing to determine if you should be transferred to the adult criminal system. 
     
  • At age 15 ½ you may obtain a driver’s permit (*with specific conditions) and any traffic offenses are handled in the adult court system. 
     
  • At age 16 you may get a driver’s license and any traffic offenses are handled in the adult court system.