There arent any laws around being in a non-sexual relationship where one person is under 18 and the other over. The best thing to do is to check with the person youre hoping to date if they are okay with your parents knowing about it. Someone with good intentions should have no problem with your parents being aware.

What happens when you date a minor?

Under California law, a person must be at least 18 years of age in order legally to have sex with another person to whom he or she is not married. Having sex with a person under the legal age of consent will subject a person to criminal liability.