Some crimes can never be expunged in California. These include:
Infractions in the provisions of Vehicle Code section 42001
Misdemeanors in the provisions of Vehicle Code section 42002.1 (failing to stop and submit to an inspection)
Violations of Penal Code section 289(j), 288a(c), 288.5, 288 or 286(c)
Felonies under Penal Code section 261.5(d)