What officials are authorized to sign my document before it is eligible to get an apostille?

The California Secretary of State authenticates signatures only on documents issued in the State of California signed by a notary public or the following public officials and their deputies:

    County Clerks or Recorders
    Court Administrators of the Superior Court
    Executive Clerks of the Superior Court
    Officers whose authority is not limited to any particular county
    Executive Officers of the Superior Court
    Judges of the Superior Court
    State Officials