CA Harb & Nav Code Section 307

(a)

A person who moors a vessel to, or hangs on with a vessel to, a buoy or beacon, except a designated mooring buoy, is guilty of an infraction, punishable by a fine of not more than one hundred dollars ($100).

(b)

A person who willfully removes, damages, or destroys a buoy or beacon, placed by competent authority in any navigable waters of this state, is guilty of a misdemeanor.