Once You Are 18
DMV Top of Page
Once you become 18, you are a legal adult (unless under a conservatorship).
Visit the California Department of Motor Vehicles and obtain information on how to acquire your own CA Photo I.D. or CA Driver’s License if so qualified. These are essential tools in life.
Selective Service System Top of Page
If you are a man ages 18 through 25 and living in the U.S., then you must register with Selective Service. It’s the law. According to law, a man must register with Selective Service within 30 days of his 18th birthday.