California Code, Government Code - GOV § 70653

(a) The uniform filing fee for a petition for appointment of a conservator, a guardian of the estate, or a guardian of the person and estate, pursuant to Division 4 (commencing with Section 1400) of the Probate Code, is three hundred fifty-five dollars ($355).

(b) Except as provided in subdivision (f), the uniform filing fee for objections or any other paper in opposition to a petition under subdivision (a) or (d) is three hundred fifty-five dollars ($355).

(c) If a competing petition for appointment of a guardian or conservator subject to the fee under subdivision (a) is filed together with opposition to the petition of another by the same person, the person filing the competing petition and opposition shall be charged a filing fee only for the competing petition.

(d) Notwithstanding Section 70658.5, if a petition for appointment of a temporary guardian or conservator is filed together with a petition for appointment of a guardian or conservator under subdivision (a), or a competing petition under subdivision (c) by the same person, the person filing the petitions shall be charged the applicable filing fees for both petitions.

(e) The uniform filing fee charged under this section shall be distributed as provided in Section 68085.3.

(f) No fee under this section shall be charged for objections or any other paper in opposition filed by or on behalf of the proposed conservatee, or the minor or a parent of the minor who is the subject of a guardianship proceeding.