Lock picking is a combination of science and art. It takes the key to a lock that can't be picked is locating a lock that's unique and rare. Building of the key or keyway has to have the ability to throw the individual attempting to pick your lock to ensure their practice means nothing.
All Locksmiths in California are required by the state to be licensed. The State of California's Department of Consumer Affairs, through the Bureau of Security and Investigative Services (BSIS), issues licenses and regulates the locksmith business to safeguard both the locksmith and the customer. Locksmiths working with clients must be licensed.